Service parts for the 6VSG
Grouped by system, with how many of each the parts manual calls for.
Oil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Natural Gas/LPG |
|---|---|
| Standby power | 6 kW |
| Emissions | EPA |
| Controller | VSC, VSC (Variable Speed) |
| Oil capacity | 1.9 L |
| Voltage options | 24 V, 36 V, 48 V |
| Rated current | 223 A |
| Battery group | 51 |
| Battery cranking | 500 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Max ambient | 49 °C |
| Dimensions (L×W×H) | 1010×710×725 mm |
| Dry weight | 191 kg |
| Sound level | 62.0 dBA @ 7 m |
Engine
| Oil capacity | 1.9 L |
|---|---|
| Displacement | 0.725 L |
| Aspiration | Naturally aspirated |
| Rated speed | 3600 rpm |
Maintenance & consumables
for the Kohler CH740 4-Cycle| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 300 hr | |||
| Fuel filter | fuel system | — | |||
| Oil filter | 52 050 02-S | 200 hr | Amazon | ||
| Battery | battery | — | 200 hr | ||
| Belt | coupling | — | |||
| Coolant | — | ||||
| Coolant filter | — | 150 hr | |||
| Oil | 2.7 L | — | 300 hr | ||
| Spark plug | 0.76 mm (0.030 in.) gap | — | 300 hr |
Service specifications
10| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Gap | Spark plug gap | 0.51 | mm (0.02 in.) | |
| Gap | Spark plug gap | 0.7--0.8 | mm (0.028--0.030 in.) | |
| Gap | Spark plug gap | 0.76 | mm (0.03 in.) | |
| Gap | Spark plug gap | 0.8--0.9 | mm (0.03--0.04 in.) | |
| Gap | Spark plug gap | 0.89 | mm (0.035 in.) | |
| Gap | Spark plug gap | 0.9--1.0 | mm (0.036--0.04 in.) | |
| Torque | Spark plug torque | 15 | Nm (11 ft. lb.) | |
| Torque | Spark plug torque | 18 | Nm (13.3 ft. lb.) | |
| Torque | Spark plug torque | 24.4--29.8 | Nm (18--22 ft. lb.) | |
| Torque | Spark plug torque | 25 | Nm (18 ft. lb.) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Engine oil | Kohler PRO 10W-50 synthetic | -29°C to 49°C | 1.9 L | Extends oil change intervals to 300 hours |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Procedures
12RDC2 Voltage Calibration Using SiteTech adjustment
Tools: digital voltmeter, personal computer, SiteTech software
- Connect PC to controller via USB
- With generator off, connect multimeter across L1/L2 (AC volts)
- Start generator set
- Compare voltmeter reading to controller display
- Calculate new Genset Calibration Factor Voltage using (Vmeter / Vcontrol) x Fold = Fnew
- Enter new value into SiteTech and click Apply Changes
- Verify voltmeter matches controller display
- Repeat for L2-L3 and L3-L1 if three-phase
- Press OFF to stop generator set
RDC2 Voltage Calibration Using the Controller Keypad adjustment
Tools: digital voltmeter
- With generator off, connect digital multimeter across L1 and L2, set to AC volts
- Start generator set with RUN button
- Navigate to Generator Metering menu, press Select; Volts L1-L2 displayed
- Press Select; voltage number flashes
- Use up/down arrows to match voltmeter reading
- Press Select to confirm
- Step to Return screen
- Press OFF to stop generator set
VSC Current (Load) Calibration Using the Controller Keypad adjustment
Tools: clamp-on DC current probe or DC current meter
- Connect DC current probe/clamp meter to measure generator current
- Start generator with RUN button
- Adjust system voltage to obtain rated current output with battery bank attached (or use load bank)
- Trip output breaker
- Navigate to Generator Metering menu, select Generator Load
- Press and hold Select for No-Load Calibration; verify breaker open, confirm Yes
- Close output breaker; verify rated output current, confirm Yes
- Verify displayed load is correct; recalibrate if necessary
- Press OFF to stop generator set
Obtain DC2 Controller Password and Serial Number diagnostic
- Press OFF and verify that the generator set is not running.
- Press and hold the Exercise button until Press Again to Reset OnCue Plus PW is displayed.
- Release the Exercise button and press it again within 5 seconds.
- Write down the serial number (S/N) and password.
Obtain RDC/DC Controller Password diagnostic
- Press OFF to place the controller into OFF mode.
- Press the down arrow button (RDC) or exercise button (DC) 5 times.
- Note the four-digit code displayed on the controller; this is the controller password.
- Write down the password and press OFF to clear the display.
Obtain RDC2 or VSC Controller Password and Serial Number diagnostic
- Press the controller down arrow button to navigate to the Networking Information menu.
- Follow the reset password procedure shown in Figure 1-3.
- Write down the serial number (S/N) and password displayed for 10 seconds.
Power Cycle the Controller diagnostic
- Disconnect all input power for two minutes to allow capacitors to discharge.
- Remove the battery negative cable or disconnect P1 from the back of the controller.
- Disconnect the battery charger 120 VAC input power supply or disconnect P5 from the back of the controller.
- Unplug the USB mini-B connector from the front of the controller if plugged in.
- Wait two minutes, then reconnect power, hooking up battery power (P1) first.
Use Telnet to Check Server Connection diagnostic
Tools: Command prompt, Telnet Client
- Activate Telnet Client on the computer if necessary.
- Open a command prompt window.
- Enter telnet devices.kohler.com 5253.
- Successful connection displays the symbols shown in Figure 3-8.
Connect OnCue Plus for RDC/DC installation
- Install the Ethernet option board on the generator set controller. See TT-1566.
- Connect a network cable from the Ethernet board to your router or modem.
Connect OnCue Plus for RDC2/DC2/VSC installation
- Set the controller password before connecting the generator set Ethernet cable to the router.
- Connect the RJ45 inline connector included in the OnCue Plus kit to the Ethernet cable inside the generator enclosure.
- Connect one end of the customer-provided network cable to the RJ45 connector.
- Connect the other end of the network cable to the customer router or modem.
Install OnCue Plus Wireless for RDC2/DC2 installation
- Set the controller password.
- Follow instructions in TT-1618 to install, connect, and set up the wireless access point.
- The customer must have a wireless router for Internet access.
Air Cleaner Element and Precleaner maintenance
- Disable set: press OFF button, disconnect battery charger power, remove battery cables, negative (--) lead first.
- Loosen the cover retaining knob(s) or release the retaining clips and remove the cover.
- Remove and discard the old air cleaner element and precleaner (if equipped).
- Install the precleaner over the new air cleaner element.
- Install the paper element onto the air cleaner base, making sure it is flat and properly seated.
- Reinstall the element cover, element cover nut, and the air cleaner cover; secure with the knob(s) or clips.
- 15RES/30RES and RCL models: wipe cover and housing with a clean rag and make sure sealing surfaces fit correctly.
- Reconnect the battery cable, negative (--) lead last.
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Voltage reconnection
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 100/200 | 1 | Single | ||
| 100/200 | 3 | Delta | ||
| 110/220 | 1 | Single | ||
| 110/220 | 3 | Delta | ||
| 115/230 | 1 | Single | ||
| 120 | 1 | Single | Genset System Voltage/Frequency/Phase table for controller setup | |
| 120/208 | 3 | Wye | ||
| 120/240 | 1 | Single | ||
| 120/240 | 3 | Delta | ||
| 127/220 | 3 | Wye | ||
| 220 | 1 | Single | ||
| 220/380 | 3 | Wye | ||
| 230 | 1 | Single | ||
| 230/400 | 3 | Wye | ||
| 24 | DC | 3 | Output voltage 27 VDC, rated current 223 A | |
| 240 | 1 | Single | ||
| 240/416 | 3 | Wye | ||
| 277/480 | 3 | Wye | ||
| 36 | DC | 3 | Output voltage 40.5 VDC, rated current 149 A | |
| 48 | DC | 3 | Output voltage 54 VDC, rated current 112 A |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What size generator is the Kohler 6VSG?
The Kohler 6VSG is rated 6 kW standby.
What engine is in the Kohler 6VSG?
The Kohler 6VSG is powered by the Kohler CH740 4-Cycle engine.
What kind of fuel does the Kohler 6VSG run on?
The Kohler 6VSG runs on Natural Gas/LPG.
What's the oil capacity on a Kohler 6VSG?
The Kohler CH740 4-Cycle engine in the Kohler 6VSG has an oil capacity of 1.9 liters.
How loud is the Kohler 6VSG?
The Kohler 6VSG is rated at 62.0 dBA at 7 m, per the manufacturer specification sheet.
How much does the Kohler 6VSG weigh?
The Kohler 6VSG has a dry weight of 191 kg (421 lb).
What voltages is the Kohler 6VSG available in?
The Kohler 6VSG is offered in 24 V, 36 V, 48 V.
How many cold cranking amps does the Kohler 6VSG require?
The Kohler 6VSG uses 1 battery, 12 V each, 500 CCA, group 51, per the manufacturer specification sheet.
Which oil filter part number does the Kohler 6VSG take?
The Kohler 6VSG uses oil filter part number 52 050 02-S.
Troubleshooting
159Fault codes
| Code | Meaning | Remedy |
|---|---|---|
| AC Sens Loss Shutdwn | Loss of AC sensing shutdown — Shutdown: The controller shut down the generator because there was less than 5% of rated voltage measured on Phase A for 3 seconds, only in AUTO, only after acceptable voltage (> 5% of UV setting) has been detected. | Check for loose wiring and connections; Check all AC leads; Troubleshoot alternator. |
| AC Sens Loss Warning | Loss of AC sensing warning — Warning: The controller has measured less than 5% of rated voltage on Phase A for 1 second, 10 seconds after crank disconnect. | Check for loose wiring and connections; Check all AC leads; Troubleshoot alternator. |
| AccyPwrOver Warning | Accessory Power Overload — Warning: An overcurrent fault (short circuit) on the accessory power output. | Check wiring to accessories; Check PWR and COM connections; Troubleshoot the accessories; Refer to the documentation provided with the accessories. |
| Aux Input Shutdwn | Auxiliary input shutdown — Shutdown: The controller shut down the generator because the digital input for a custom shutdown (AuxiliaryInputShutdown - PIM) was activated (low). | Check customer equipment connected to the PIM module |
| Aux Input Warning | Auxiliary input warning — Warning: The digital input for a custom warning (AuxiliaryInputWarning - PIM) is active (low). | Check customer equipment connected to the PIM module |
| Batt Chg Flt Warning | Battery charger fault warning — Warning: The digital input for Battery Charger Fault Warning (PIM) is active (low). For an external battery charger only, not applicable to the VSC built-in battery charging. | Check customer equipment connected to the PIM module. |
| Battery High Warning | Battery High Warning — Warning: The controller has measured battery voltage that is above the high warning setting for 10 seconds or more. Operates during exercise and normal operation. | Check engine starting battery. |
| Battery CRLow Warning | Battery CRLow Warning — Warning: Battery voltage dropped to 11 VDC or less for 30 seconds or more. | Check engine starting battery; Check battery charger DC output voltage from VSC on lead CHO to the battery. |
| Battery Low Warning | Battery Low Warning — Warning: The controller has measured battery voltage that is below the low warning setting for 90 seconds or more. The battery voltage is checked before allowing an exercise to start. | Check engine starting battery; Check battery charger DC output voltage from VSC on lead CHO to the battery. |
| Chk DateTime Warning | Check date and time warning — Warning: DC power to the controller has been interrupted and the date and time may not be correct. Event history may not have accurate time/date stamps. | Verify the time and date settings to ensure proper operation of scheduled operations and for event history logging. |
| Default Pars Warning | Default Parameters — Warning: The controller has been loaded with default parameters. | Configure settings as required for desired operation. |
| Enclosure Intrusion Alarm | Enclosure Intrusion Alarm — Warning: Enclosure door is open. (Optional communications kit required.) | Close and secure the enclosure door; Check for signs of unauthorized entry. |
| Engine M/N Invalid Shutdwn | Engine M/N Invalid Shutdwn — Shutdown: Generator model number has not been entered. (Engine model number is selected automatically based on generator set model.) | Enter the generator set model number from the VSC keypad, or use SiteTech to select the genset model number. |
| Engine Speed High Shutdwn | Engine Speed High Shutdwn — Shutdown: The controller shut down the generator because engine speed, as calculated from AC frequency, was above the high speed setting for 0.3 seconds or more. | Troubleshoot engine operation per the engine service manual. |
| Engine Speed Low Shutdwn | Engine Speed Low Shutdwn — Shutdown: The controller shut down the generator, after crank disconnect, because engine speed, as calculated from AC frequency, was below the low speed setting for 3 seconds or more. | Troubleshoot engine operation per the engine service manual. |
| Exer Not Sch Warning | Exer Not Sch Warning — Warning: There is no exercise scheduled. | Set the exercise schedule. |
| Fuel Leak Shutdwn | Fuel Leak Shutdwn — Shutdown: The controller shut down the generator because the digital input for Fuel Tank Leak Shutdown (PIM) was activated (low). | Check customer equipment connected to the PIM module. |
| Fuel Leak Warning | Fuel Leak Warning — Warning: The digital input for Fuel Tank Leak Warning (PIM) is active (low). | Check customer equipment connected to the PIM module. |
| Fuel Level CrHi Warning | Fuel Level CrHi Warning — Warning: The digital input for Critically High Fuel Level Warning (PIM) is active (low). | Check customer equipment connected to the PIM module. |
| Fuel Level High Warning | Fuel Level High Warning — Warning: The digital input for High Engine Fuel Level Warning (PIM) is active (low). | |
| Fuel Level Low Shutdwn | Fuel Level Low Shutdwn — Shutdown: The controller shut down the generator because the digital input for Low Fuel Level Shutdown (PIM) was activated (low). | Check customer equipment connected to the PIM module. |
| Fuel Level Low Warning | Fuel Level Low Warning — Warning: The digital input for Low Fuel Level Warning (PIM) is active (low). | |
| Fuel Pressure Low | Fuel Pressure Low — Warning: Fuel pressure sensor has measured fuel pressure below 4.5 inches of water column. (Optional communications kit required.) | Check fuel supply and fuel lines; Check the fuel pressure at the regulator. See Section 5.8.2. |
| GenBrkerOpen Warning | Generator Circuit Breaker Open — Warning: There is voltage at the generator set but no voltage measured on the emergency side of the ATS (Model RXT transfer switch required). | Check line circuit breaker; Check for and correct short circuits or overloading on the load side before resetting the circuit breaker. |
| Ground Fault Warning | Ground Fault Warning — Warning: The digital input for Ground Fault Warning (PIM) is active (low). | Check customer equipment connected to the PIM module. |
| High Lube Oil Temperature Warning | High Lube Oil Temperature Warning — Warning: Oil temperature higher than 300°F (149°C). | See Overheats in the troubleshooting charts in Section 4.9. |
| High Lube Oil Temperature Shutdown | High Lube Oil Temperature Shutdown — Shutdown: Oil temperature higher than 325°F (163°C). | |
| Lo Crank Vlt Warning | Lo Crank Vlt Warning — Warning: During cranking, the controller measured battery voltage less than 60% (7.2V or 14.4V) for 6 seconds or more during cranking. | Check cranking battery. |
| Locked Rotor Shutdwn | Locked Rotor Shutdwn — Shutdown: The controller shut down the generator because no rotation of the engine or alternator was detected, for 3 seconds or more, during cranking. | Check cranking circuit; Troubleshoot the engine. See Engine Service Manuals; Check alternator connections to controller and auxiliary winding circuit breaker; Troubleshoot the alternator. |
| MainPwrOverL Shutdwn | MainPwrOverL Shutdwn — Shutdown: The internal current limit circuit has tripped, indicating an overcurrent condition on the DC power supply circuit. | Check crank, run, and flash relay circuits for short circuits. |
| Maint Req'd Warning | Maint Req'd Warning — Warning: Engine run time, or calendar days, has exceeded the maintenance reminder setting. | Change the oil and perform other maintenance according to the service schedule in Section 2.1; Reset the maintenance timer after service. See Section 2.3. |
| Not In Auto Warning | Not In Auto Warning — Warning: The VSC controller is not in AUTO. The generator will not start from a remote device. The digital output for Not In Auto (PIM) is active (contacts closed). | Press the Auto button to ensure automatic system operation. |
| OB1 CommLoss (PIM) | OB1 CommLoss (PIM) — Warning: Communications with option board #1 has been lost. | Check RBUS wiring to inoperative option board. |
| Oil Level Low Shutdwn | Oil Level Low Shutdwn — Shutdown: The controller shut down the generator because the digital input for Low Oil Level Shutdown (PIM) was activated (low). | Check customer equipment connected to the PIM module. |
| Oil Level Low Warning | Oil Level Low Warning — Warning: The digital input for Low Oil Level Warning (PIM) is active (low). | Check customer equipment connected to the PIM module. |
| Oil Pressure Low Shutdwn | Oil Pressure Low Shutdwn — Shutdown: The low oil pressure switch was closed for 5 seconds or more, indicating low oil pressure. Function is inhibited until 30 seconds after crank disconnect. | Check for oil leaks; Check the oil level and add oil if low; Check the oil pressure sensor; see Engine Service Manuals. |
| Oil Pressure OpenCR Warning | Oil Pressure OpenCR Warning — Warning: When the generator set is not running and controller is in OFF or AUTO, the low oil pressure switch is not working properly. | Check the oil pressure switch connection; Replace the LOP switch if necessary. See Section 5.7.2. |
| Over Crank Shutdwn | Over Crank Shutdwn — Shutdown: The controller shut down the generator, and ceased cranking, because the engine was not successfully started after the completion of the last of the crank cycles setting delay 15 seconds. | Check fuel supply; Check cranking circuit; Check cranking battery; Troubleshoot engine; see Engine Service Manuals. |
| RBUS ComError Warning | RBUS ComError Warning — Warning: The controller has lost communications with a PIM that had previously been communicating properly. | Check connection to the PIM. |
| Reserve Oil Empty | Reserve Oil Empty — Warning: The oil makeup kit reservoir bottle is empty. (Optional communications kit and oil makeup kit required.) | Add oil to the oil makeup kit reservoir. See TT-1591, provided with the oil makeup kit, if necessary. |
| Spd Sens Flt Shutdwn | Speed sensor fault — Shutdown: The controller shut down the generator because the speed signal was lost. | Check leads AC1 and AC2 between the alternator and the controller; This fault also occurs if the engine stalls; check the engine and see the troubleshooting chart in Section 4.9. |
| Volts L1-L2 DC High Shutdwn | Volts L1-L2 DC High Shutdwn — Shutdown: The controller shut down the generator because the voltage measured from Phase A to Phase B exceeded the high limit for a time greater than the delay setting 2 seconds. | Troubleshoot alternator. See Section 4.9, Troubleshooting Charts, and Section 5, Component Testing and Adjustment. |
| Always Off | Always Off — Notice: OnCue's Power Chain view has been used to control this digital output. The digital output is no longer controlled by the generator set. Applies to digital outputs B3 through B6 on the PIM only. | Click on the output in OnCue's Power Chain view to turn the output on or off. See the OnCue Operation Manual; To reset the digital output to a function controlled by the generator set, use SiteTech software to re-assign the output event. |
| Always On | Always On — Notice | |
| Auto Locked | Chicago Code Active — Notice: The digital output for Chicago Code Active (PIM) is active (contacts closed), indicating the digital input for Chicago Code Active (PIM) is active (low) and thus master switch is locked in the AUTO position. | Check customer equipment connected to the PIM module. |
| Common Fault | Common Fault — Notice: The digital output for Common Fault (PIM) is active (contacts closed), indicating the generator is shutdown for any (all) fault. | Check for faults and troubleshoot any/all fault conditions individually. |
| Common Warng | Common Warng — Notice: The digital output for Common Warning (PIM) is active (contacts closed), indicating that any (all) warning is active. | Check for warnings and troubleshoot any/all warning conditions individually. |
| Emerg Pwr On | Emergency Power System Supplying Load — Notice: The digital output for EPS Supplying Load (PIM) is active (contacts closed), indicating there is current output (>5%) from the alternator, only if CTs are installed. | |
| Eng Cooldown | Eng Cooldown — Notice: The digital output for Engine Cooldown Active (PIM) is active (contacts closed), indicating the generator is running in cooldown. (Delay 5 min.) | Check remote start circuit if it was expected that the generator should be running. |
| Fuel Spill | Fuel Spill — Notice: The digital output for Fuel Spill (PIM) is active (contacts closed), indicating any of the digital inputs for Fuel Tank Leak Warning, Fuel Tank Leak Shutdown, Engine Fuel Level Warning or Engine Fuel Level Critically High (PIM) is active (low). | Check customer equipment connected to the PIM module. |
| Gen Running | Gen Running — Notice: The digital output for Generator Running (PIM) is active (contacts closed), indicating the generator is running. | Check controller front panel buttons for potential RUN command; If in AUTO, check remote start lines. |
| Low Fuel | Low Fuel — Notice: The digital output for Low Fuel (PIM) is active (contacts closed), indicating any of the digital inputs for Low Fuel Pressure Warning, Low Fuel Level Warning or Low Fuel Level Shutdown (PIM) is active (low). | Check customer equipment connected to the PIM module. |
| Minor Fault | Minor Fault — Notice: The digital output for Minor Fault (PIM) is active (contacts closed), indicating either the digital input for Ground Fault Indicator Warning (PIM) is active (low) or the controller detected Low Cranking Voltage. | Check customer equipment connected to the PIM module; Check cranking battery condition. |
| Rmt StartCmd | Remote Start Command Issued — Notice: The controller has received a remote start signal while the master switch is in AUTO, and will go to normal running. | Verify remote start signal. |
| Run Btn Ack | Run Button Acknowledged — Notice: The RUN button on the controller has been pushed. | |
| Start Delay | Engine Start Delay Active — Notice: The digital output for Engine Start Delay (PIM) is active (contacts closed), indicating the engine is in between active cranking cycles. | |
| System Ready | System Ready — Notice: The digital output for System Ready (PIM) is active (contacts closed), indicating the generator has no active faults or warnings. | |
| VSpdStartCmd | Variable Speed Start Command — Notice: A diagnostic exercise request has been received by the controller. | Check for a remote exercise command from OnCue. |
Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Generator set engine does not crank | Battery connections | Check for reversed or poor battery connections; Correct and tighten battery connections. |
| Generator set engine does not crank | Weak or dead battery | Check the battery voltage; Test battery according to battery manufacturer's recommendations; Recharge or replace battery; Check battery charger connections and power connection to the generator set; Tighten connections; Connect 120VAC power to the genset terminal block. |
| Generator set engine does not crank | Open circuit in engine/controller connections | Check for loose connections; Tighten connections; Check the wire harness continuity; Replace harness or harness leads if damaged. |
| Generator set engine does not crank | Poor ground (–) connection | Test ground connection; Clean and retighten. |
| Generator set engine does not crank | Starter relay | Check connections to the starter relay; Tighten connections; Replace wiring if damaged; Check continuity of circuit; Replace harness or harness leads if damaged; Check that the starter relay picks up when 12 VDC is applied at lead 71 connection; Replace starter relay. |
| Generator set engine does not crank | Starter | Check starter connections; Tighten connections; Replace wiring if damaged; Troubleshoot the starter. See the engine service manual for instructions; Rebuild or replace starter. |
| Generator set engine does not crank | Controller | Check for 12 VDC to the controller; Check battery and connections; Check the genset model, engine model, and other controller settings; Adjust controller settings, if necessary; Troubleshoot the controller as described in Section 4.10. |
| Cranks but does not start | No fuel | Verify that manual fuel valve is open; Check fuel supply tank (LPG); Open (turn on) manual fuel valve; Contact fuel supplier to add fuel to fuel supply tank (LPG). |
| Cranks but does not start | Insufficient fuel pressure | Check fuel pressure to the generator set. Verify adequate fuel pressure and pipe size for the generator set plus all other gas appliances; Contact fuel supplier to replace fuel supply lines with larger pipe and replace gas meter if fuel pressure is insufficient. |
| Cranks but does not start | Fuel regulator/valve | Check regulator/valve operation. |
| Cranks but does not start | Weak battery | Check the battery voltage; Recharge or replace battery; Check battery charger connections and power connection to the generator set; Tighten loose connections. |
| Cranks but does not start | Spark plugs or spark plug connections | Check spark plug wires and connections; Check spark plugs; Tighten connections; Replace spark plug wires if damaged; Replace or clean and re-gap spark plugs. |
| Cranks but does not start | Loose connection or open circuit | Check for loose or open connection at the fuel valve (lead 70A) and at the engine spark control module (leads IGN and 70B); Check controller/engine wiring continuity; Tighten connections; Replace wiring if damaged. |
| Cranks but does not start | Air cleaner clogged | Check for a dirty air cleaner element; Replace air cleaner element; Check and replace air cleaner element at the intervals shown in the Service Schedule. |
| Cranks but does not start | Incorrect controller settings | Check the genset model setting; Enter the correct genset model number setting. Engine model is selected automatically based on genset model. |
| Cranks but does not start | Ignition system spark control or ignition coil | Test according to instructions in the engine service manual; Adjust or replace components as indicated in engine service manual. |
| Cranks but does not start | No engine rotation sensed (check for an overcrank or locked rotor fault shutdown) | Check the cranking circuit; Troubleshoot engine and alternator. |
| Starts hard | Low battery voltage | Check battery voltage during cranking; Charge battery; Replace battery if necessary; Check battery charger connections and power connection to the generator set; Tighten loose connections. |
| Starts hard | Air cleaner clogged | Check for a dirty air cleaner element; Replace element. |
| Starts hard | Fuel mixture adjustment incorrect | Use oxygen sensor to check fuel mixture; Adjust fuel mixture. |
| Starts hard | Spark plug(s) | Check spark plug condition and gap; Replace or regap spark plug(s). |
| Starts hard | Spark plug wire(s) | Check spark plug wires and connections; Tighten connections; Replace spark plug wires if damaged. |
| Starts hard | Ignition components (spark control or ignition module) | Test ignition components according to instructions in the engine service manual; Replace ignition components if necessary. |
| Starts hard | Insufficient fuel pressure | Check fuel pressure to the generator set. Verify adequate fuel pressure and pipe size for the generator set plus all other gas; Contact fuel supplier to replace fuel supply lines with larger pipe and replace gas meter if fuel pressure is insufficient. |
| Starts hard | Output Shorted | Check wiring and load; Remove short circuit. |
| Starts hard | Engine problem | Troubleshoot the engine; See engine service manual. |
| Noisy operation | Exhaust system leaks | Check silencer and connections for leaks; Replace gaskets and exhaust system components as necessary. |
| Noisy operation | Engine not running smoothly | See "Erratic operation," this table. |
| Noisy operation | Broken or damaged vibromount(s) | Inspect vibromounts; Replace as necessary. |
| Noisy operation | Loose or vibrating sheet metal/housing | Check for loose screws and rivets; Retighten screws; replace rivets. |
| Noisy operation | Exhaust piping or air inlets/outlets not securely installed | Inspect for loose parts; Secure loose parts as necessary. |
| Noisy operation | Excessive engine/generator vibration | Check rotor, crankshaft, bearing, etc. (disassembly of engine and/or alternator may be required). |
| Noisy operation | High engine speed | Check settings; Return to factory settings. |
| Overheats | Inadequate cooling | Inspect engine and enclosure for air intake obstructions; Clear any air intake obstructions. |
| Overheats | Air cleaner clogged | Check for a dirty air cleaner element; Replace air cleaner element. |
| Stops suddenly | Fault shutdown | Check for a fault shutdown message on the controller display; Identify the cause of the fault; Correct the fault and then press the controller's OFF button to reset the controller |
| Stops suddenly | No fuel | Check fuel valves and fuel supply; Open manual fuel valve; Contact fuel supplier to replenish fuel supply |
| Stops suddenly | Fuel line restriction | Inspect fuel lines; Clear restriction |
| Stops suddenly | Fuel lines too long | Check fuel line length and pipe size; Contact fuel supplier to replace fuel lines with larger pipe |
| Stops suddenly | Air cleaner clogged | Check for a dirty air cleaner element; Replace air cleaner element |
| Stops suddenly | Spark plug(s) | Check spark plug(s); Replace or regap plug(s) |
| Stops suddenly | Engine overheated (hot engine only) | Check air intake and generator set enclosure air inlets and outlet; Clear air intake and enclosure air inlets and outlets |
| Stops suddenly | Low oil pressure (LOP) switch | Check oil level; Add oil; Check and replace oil at the intervals shown in the Service Schedule |
| Stops suddenly | Fuel valve/fuel regulator | Check fuel valve connections; Check regulator/valve operation; Check fuel pressure; Tighten fuel valve connections; Replace damaged wires; Replace regulator or valve |
| Stops suddenly | Engine overloaded | Reduce electrical load and check operation; Unplug some lights or appliances connected to the generator set |
| Stops suddenly | Engine speed sensing connections | Check for loose connections: V7, V8, V9, and connections to the line circuit breaker; Tighten connections; Replace damaged wiring |
| Stops suddenly | Ignition module | Test the ignition system according to the instructions in the engine service manual; Service the ignition system according to the instructions in the engine service manual |
| Stops suddenly | Loss of generator output voltage to controller | Check connections at P2 plug; Tighten connections at P2 plug |
| Erratic operation | Air cleaner clogged | Check air filter element; Replace element |
| Erratic operation | Spark plug(s) | Check spark plug condition and gap; Replace or regap plugs |
| Erratic operation | Spark plug wire(s) | Check spark plug connections and wires; Tighten connections; Replace damaged spark plug wires |
| Erratic operation | Fuel line restriction | Check fuel lines; Check fuel pipe size; Clear restricted fuel lines; Contact fuel supplier to install larger diameter pipe |
| Erratic operation | Fuel mixture adjustment incorrect | Use oxygen sensor to check fuel mixture; Adjust fuel mixture |
| Erratic operation | Governor adjustment incorrect | Check governor operation; Adjust governor |
| Erratic operation | Ignition system | Test ignition system according to instructions in engine service manual; Service ignition system according to instructions in engine service manual |
| Erratic operation | Inadequate cooling (hot engine only) | Check air inlet and outlet; Clear air inlet and outlet |
| Erratic operation | Other engine service required | See engine service manual; Service according to instructions in engine service manual |
| High output voltage | Incorrect controller settings | Check genset model, engine model, system voltage, and other controller settings; Adjust the controller settings |
| High output voltage | Incorrect voltage calibration | Check the voltage calibration; Adjust the voltage calibration |
| High output voltage | Loose voltage sensing connections | Check connections: stator leads V7, V8, V9, and P2 controller connection; Tighten connections |
| Lacks power | Air intake restriction, inadequate cooling | Inspect air intakes and exhaust for obstructions; Check air cleaner; Clear air intakes and exhaust area; Maintain clearances shown on the genset dimension drawing; Replace air cleaner element |
| Lacks power | Generator overloaded | Reduce electrical load and check operation; Unplug some lights or appliances connected to the generator set |
| Lacks power | Spark plug(s) | Check spark plugs; Regap or replace plug(s) |
| Lacks power | Spark plug connections | Check tightness and condition of spark plug wires; Tighten or replace spark plug wires |
| Lacks power | Low fuel pressure | Check fuel pressure at carburetor outlet; Check for adequate fuel pipe size and meter capacity for generator set and all gas-fired appliances; Contact fuel supplier to replace pipe and/or meter as required to provide sufficient fuel supply pressure for the generator set and all gas-fired appliances |
| Lacks power | Fuel line restriction | Check fuel pipe size; Contact fuel supplier to provide larger pipe |
| Lacks power | Fuel regulator | Check function of fuel regulator; Repair or replace fuel regulator |
| Lacks power | Engine not running at rated rpm | Check controller setting for engine model; Check engine speed; Select the correct engine model; Adjust engine speed |
| Lacks power | Engine power loss | Refer to the engine service manual for troubleshooting and repair instructions |
| Lacks power | Governor malfunction or misadjustment | Test governor; Adjust governor |
| Lacks power | Ignition system | See the engine service manual for service procedures |
| Low output or excessive drop in voltage | Generator overloaded | Reduce electrical load and check operation; Unplug some lights or appliances connected to the generator set |
| Low output or excessive drop in voltage | Incorrect controller settings | Check the controller settings; Adjust the controller settings |
| Low output or excessive drop in voltage | Incorrect controller voltage settings | Check the controller voltage settings; Adjust the controller voltage settings |
| Low output or excessive drop in voltage | Alternator | Perform alternator troubleshooting, Section 5.2; Make repairs based on results from alternator troubleshooting, Section 5.2 |
| Low output or excessive drop in voltage | Controller | Check the controller settings; Adjust controller settings |
| Low output or excessive drop in voltage | Stator | Test stator for open, grounded, or shorted windings; Replace stator if faulty windings are found |
| Low output or excessive drop in voltage | Rectifier | Perform Rectifier Troubleshooting, Section 5.3; Make repairs based on Rectifier Troubleshooting, Section 5.3 |
| Low output or excessive drop in voltage | Low engine speed causing voltage roll-off | Check system voltage, system frequency, and engine model settings; Change the controller settings if not correct |
| Low output or excessive drop in voltage | Engine problem | Troubleshoot the engine |
| No output voltage | DC output circuit breaker open | Check for DC voltage on the generator side of circuit breaker; If there is DC voltage on the generator side of the breaker, then a problem in the load circuits is causing the line circuit breaker to trip; Check for and correct short circuits or overloading on the load side before resetting the circuit breaker |
| No output voltage | Alternator | Perform alternator troubleshooting, Section 5.2; Make repairs based on results from alternator troubleshooting, Section 5.2 |
| No output voltage | Controller | Check the controller settings; Adjust controller settings |
| No output voltage | Open wiring, terminal, or pin in buildup circuit | Check wiring; Replace wiring as necessary |
| No output voltage | Rectifier | Perform rectifier troubleshooting, Section 5.3; Make repairs based on rectifier troubleshooting, Section 5.3 |
| No output voltage | Stator (open, grounded, or shorted windings) | Check voltage and continuity as described in Section 5.3; Repair or replace the stator if indicated by the test results |
| Controller LCD display is off | Low or no battery voltage | Check controller connections |
| Controller display backlight is off | Backlight turns off after about 1 minute with no activity | Backlight will turn on when a button is pressed or the generator set starts |
| Loss of communication to accessory modules | Bad connections | Check wiring and connections; Verify that cable size and length of run comply with the instructions in the Installation Manual |
| Loss of communication to accessory modules | Communication cable does not meet required specifications | Use shielded, twisted-pair cable as specified in the Installation Manual; Do not exceed the maximum cable lengths given in the Installation Manual |
| Loss of communication to accessory modules | Low or no battery voltage | Check generator set battery connections and condition; See "Low or no battery voltage" above |
| Date is flashing | Controller power was disconnected and then reconnected | Check battery connections; Check controller connections |
| Cannot change input and output settings | Controller is set up for the optional communications kit, which locks the input and output settings | For a generator set with a communications kit, no action is needed; Inputs and outputs are not adjustable; If the generator set is connected to a PIM, use SiteTech to change the Personality Installed Option parameter setting |
| Engine speed erratic or behaves poorly (throttle moves to fully open then toward closed) | Throttle linkage and stepper motor connections and operation; engine speed control parameters not set to default settings | Check the throttle linkage and stepper motor connections and operation; See stepper motor troubleshooting starting with step 8 of this procedure; Check that the engine speed control parameters are set to the default settings (Engine Speed Governor and Advanced Speed Control parameters in SiteTech) |
| Stepper motor coil resistance check | One of the coils has a significantly higher resistance or is shorted | Replace the stepper motor |
| Stepper motor/carburetor linkage and bushings | Damage to linkage or bushings between stepper motor and carburetor | Replace as necessary |
| Stepper motor and carburetor throttle plate range of motion | Linkage between stepper motor and carburetor restricts free, full range of motion | Verify free, full range of motion for the stepper motor and the carburetor throttle plate; Replace as necessary |
| Stepper motor governing problem | Problem may be with the controller | Check controller connections, wiring, and settings; Refer to the troubleshooting procedures in Section 4 |
| Engine hunting slowly (changes from maximum to minimum speed in more than a second) | Governor gain too low | Increase the governor gain |
| Generator hunting quickly (maximum to minimum speed several times per second) | Governor gain too high | Decrease the gain |
| Hunting worsens when gain is changed | Gain changed in the wrong direction | Try changing the gain in the other direction |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Repair guides
10- Add New Generator
- Connect OnCue Plus for RDC2/DC2/VSC
- Control PIM Outputs
- Install OnCue Plus Wireless for RDC2/DC2
- Obtain DC2 Controller Password and Serial Number
- Obtain RDC/DC Controller Password
- Obtain RDC2 or VSC Controller Password and Serial Number
- Power Cycle the Controller
- Start Exercise
- Use Telnet to Check Server Connection
Step-by-step procedures compiled from the Kohler service manual for this model.
Parts
250| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 103-0731 | Gasket, Gearcase | 1 | Gasket | Amazon eBay |
| 103-0733 | Gasket, Gearcase Backplate | 1 | Gasket | Amazon eBay |
| 103-0746 | Gearcase (Includes Oil Seal and Oil Fill Tube) | Seal | Amazon eBay | |
| 110-1718 | Head, Cylinder Gasket, Cylinder Head | 2 | Gasket | Amazon eBay |
| 110-2987 | Gasket, Cylinder Head | 2 | Gasket | Amazon eBay |
| 110-3225 | Gasket, Cylinder Head | 1 | Gasket | Amazon eBay |
| 12 050 01 | Oil Filter | 1 | Oil filter | Amazon eBay $19.06 KuduParts $11.00 FridayParts $33.98 |
| 12 050 01-S | Filter, oil | 1 | Oil filter | Amazon eBay $19.06 KuduParts $32.00 FridayParts $33.98 |
| 12 132 02-S | Spark Plug | 1 | Spark plug | buy |
| 120-0491 | Pump, Oil | 1 | Pump | Amazon eBay $30.00 |
| 120-1041 | Bearing, Oil Pump Idler Gear (Semi Finished) | 1 | Pump | Amazon eBay |
| 130-0755 | 8racket, Mounting Heater, Tank - 850 Watt, 115 Volt (Includes Hose Connector, Cord and Mounting Strap) | 1 | Hose | Amazon eBay |
| 130-2500 | Guard, Belt (Left Side) | 1 | Belt | Amazon eBay |
| 134-1437 | Spring - Injecion Pump Lever | 1 | Pump | Amazon eBay |
| 140-1787 | Hood, Air Cleaner | 1 | Air filter | Amazon eBay |
| 140-1791 | Indicator Service | 1 | Sensor | Amazon eBay |
| 140-1841 | Cleaner. Air (Includes Element) | 1 | Air filter | Amazon eBay $50.00 |
| 140-2174 | Cleaner, Air - Oil Bath Band. Mount ing | 1 2 | Air filter | Amazon eBay |
| 140-2234 | Tube. Air Inlet | Hose | Amazon eBay | |
| 141-0982 | Gasket | 2 | Gasket | Amazon eBay |
| 141-0983 | Gasket, Carburetor | 1 | Gasket | Amazon eBay |
| 147-0436 | Seal, Injector | 6 | Seal | Amazon eBay |
| 147-0465-12 | Pump, Fuel Injection (See Separate Page for Components) | 1 | Pump | Amazon eBay |
| 147-0701 | Injector, Fuel (Includes Seal) | 6 | Seal | Amazon eBay |
| 147-0856 | Injector, Fuel (Includes Parts Marked #) | 2 | Injector | Amazon eBay FridayParts $72.02 |
| 147-0864 | #O'Ring, Injector | 2 | Injector | Amazon eBay |
| 147-0865 | #O'Ring, Injector | 2 | Injector | Amazon eBay |
| 147-2715 | Remote Fuel Pump Kit EFI (HGJAA) | 1 | Fuel pump | Amazon eBay |
| 149-1445 | Filter | 1 | Fuel filter | Amazon eBay $19.95 |
| 149-1446 | Gasket, Cover | 1 | Gasket | Amazon eBay |
| 149-1828 | Pump, Fuel (Electric) | 1 | Pump | Amazon eBay $39.59 FridayParts $40.41 |
| 149-1914-04 | Element, Filter (Includes O-fling Seal) (2 M~CPXI) | 1 | Seal | Amazon eBay |
| 149-1920 | Plate, Mounting - Fuel Filter Elbow, Hose - Male | 1 | Fuel filter | Amazon eBay |
| 149-1921 | Plate, Mounting - Fuel Filter Elbow, Hose - Male | 1 | Fuel filter | Amazon eBay |
| 149-1922 | Spacer, Mounting - Fuel Filter | 1 | Fuel filter | Amazon eBay |
| 149-1949 | Head Assembly. Replacement (Includes Vent Plug. O-Ring Seals. Pump Assembly and Tube) Seal) | 1 | Seal | Amazon eBay |
| 149-1953 | Drain Assy (Includes Knob and Seal) | 1 | Seal | Amazon eBay |
| 149-2100 | Filter Assembly, Fuel Element. Filter | 1 | Fuel filter | Amazon eBay |
| 149-2106 | Element | 1 | Fuel filter | Amazon eBay $34.99 NAPA $61.61 KuduParts $68.00 |
| 149A159 | Gasket - Spacer - BLAKING mfr. pump only | 2 | Gasket | Amazon eBay |
| 149A551 | Lever, Hand Primer - ONAN mfr. pump only | 1 | Pump | Amazon eBay |
| 149D693 | Pump, Fuel - ONAN mfr., with primer lever - Replaces earlier atyle pumps used, of any manufacture | 1 | Pump | Amazon eBay |
| 149K526 | Repair Kit, Fuel Pump | 1 | Fuel pump | Amazon eBay |
| 149K74 | Repair Kit, Fuel Pump - Includes parts marked (* anda) - For AC mfr., BLAKING mfr. or ONAN mfr. pumps | 1 | Fuel pump | Amazon eBay |
| 151-0437 | Kit, Throttle Modification (Fuel Injection Pump) | 1 | Fuel pump | Amazon eBay |
| 1512-0154 | Belt Fan | 1 | Belt | Amazon eBay |
| 154-3067-02 | Manifold Assy, Intake (Includes Hose Connector) | 1 | Hose | Amazon eBay |
| 154-3085 | Gasket, Intake Manifold | 2 | Gasket | Amazon eBay |
| 154P570 | Union, Manifold Flange | 2 | Exhaust | Amazon eBay |
| 155-2073 | Gasket, Exhaust Pipe | 1 | Gasket | Amazon eBay |
| 155-2415 | Seal, Muffler Support | 18 | Seal | Amazon eBay |
| 155-2619 | Spec D, Exhaust Manifold) *Gasket. Elbow - Exhaust (WC 0) | 1 | Gasket | Amazon eBay |
| 15SA47 | Tube, Flexible Exhaust | 2 | Exhaust | Amazon eBay |
| 165-2203 | Gasket, Manifold - Exhaust (&xx A-C) | : | Gasket | Amazon eBay |
| 167-0272 | Spark plug | 2 | Spark plug | Amazon eBay |
| 168-0174 | Kit, Gasket - Valve Grind | 1 | Gasket | Amazon eBay |
| 185-2175 | Gasket | 1 | Gasket | Amazon eBay |
| 185-2199 | Band, Mounting - Air Cleaner | 1 | Air filter | Amazon eBay |
| 185-2203 | Gasket, Manifold - Exhaust (&xx A-C) | 1 | Gasket | Amazon eBay |
| 185-2239 | Clamp, Hose | 1 | Hose | Amazon eBay |
| 185-2240 | Clamp, Hose | 2 | Hose | Amazon eBay |
| 185-2266 | Alternator (12 VDC) (See Separate Page for Components) | 1 | Alternator | Amazon eBay |
| 185-2284 | Gasket | 2 | Gasket | Amazon eBay |
| 185-2300 | Clamp, Hose | 1 | Hose | Amazon eBay |
| 185-2311 | Housing, Thermostat | 1 | Thermostat | Amazon eBay FridayParts $27.75 |
| 185-2421 | Hose, Rubber - Overflow | 1 | Hose | Amazon eBay |
| 187-6224 | Gasket, Rocker Cover | 1 | Gasket | Amazon eBay |
| 187-6230 | Gasket, Cylinder Head (1) | 1 | Gasket | Amazon eBay |
| 187-6238 | Gasket, Breather Plate | 1 | Gasket | Amazon eBay |
| 191-1368 | Arm, Alternator Adjusting | 1 | Alternator | Amazon eBay |
| 191-1872 | Alternator (12 VDC) (Gl) | 1 | Alternator | Amazon eBay |
| 191-1983-01 | Alternator | 1 | Alternator | Amazon eBay |
| 191-2085 | Strap, Alternator Adjust | 1 | Alternator | Amazon eBay |
| 193-0247 | 'Sender, Temperature - Engine Coolant | 1 | Sensor | Amazon eBay |
| 193-0469 | Sensor, Map | 1 | Sensor | Amazon eBay |
| 193-0480 | Sensor, Manifold Air Temperature | 1 | Sensor | Amazon eBay |
| 24 032 19-S | Seal, oil front | 1 | Seal | FridayParts $10.99 |
| 24 050 01-S | Filter, breather | 8 | Filter | buy |
| 24 083 02 | Precleaner element | 1 | Air filter | buy |
| 24 083 02-S | Precleaner | 8 | Air filter | buy |
| 24 083 05-S | Precleaner | 8 | Air filter | buy |
| 24 083 08 | Air cleaner element | 1 | Air filter | buy |
| 24 083 08-S | Element, air filter | 1 | Air filter | buy |
| 24 083 09-S | Element, air filter | 1 | Air filter | buy |
| 24 153 01-S | O-ring | 1 | Seal | buy |
| 24 153 08-S | O-ring | 1 | Seal | buy |
| 24 153 21-S | O-ring, oil cooler | 1 | Seal | buy |
| 24 393 51-S | Kit, oil pump assembly (includes items 12, 13) | 1 | Pump | buy |
| 24 590 01-A | Oil Cooler, 14RCA/L | Oil cooler | buy | |
| 24 590 27 | Dipstick | Oil dipstick | buy | |
| 24 590 29 | Oil Fill | 1 | Oil fill | buy |
| 241927 | Sensor, speed | 1 | Sensor | Amazon eBay $75.00 |
| 25 032 06-S | Seal, oil | 1 | Seal | FridayParts $11.90 |
| 25 099 26-S | Switch, oil pressure | 1 | Sensor | buy |
| 25 132 14-S | Spark plug | 2 | Spark plug | buy |
| 25 158 08-S | Bushing, linkage retaining | 4 | Bushing | buy |
| 25 435 06-S | Kit, starter solenoid | 1 | Kit | buy |
| 269373 | Alternator Assembly | 1 | Alternator | Amazon eBay |
| 300-2880 | Board, Voltage Regulator (VR21) | 1 | Avr | Amazon eBay FridayParts $350.50 |
| 300-2906 | Board Assy, Printed Circuit - Over/Under Volt Sensor (A17) | i | Sensor | Amazon eBay |
| 302-0750 | 'Sender, Tachometer | 1 | Sensor | Amazon eBay |
| 304A66 | Resistor, 4xELI | 1 | Resistor | Amazon eBay |
| 305-0491 | REGULATOR. 305-0491 | 1 | Avr | Amazon eBay |
| 305-0901 | Sensor, Low Battery Voltage | 1 | Sensor | Amazon eBay |
| 307-1061 | Relay, Starter Protection | 1 | Starter | Amazon eBay |
| 307P820 | Relay, Adjustabe Start Disconnect & Crankshaft Limiter | 1 | Relay | Amazon eBay |
| 309-0178 | Switch, High Water Temperature Top Mounted On Water Outlet Housing | 1 | Sensor | Amazon eBay $350.00 |
| 309-0179 | Switch, High Water Temperature (Standard Part) Side Mounted On Water Outlet Housing | 1 | Sensor | Amazon eBay |
| 309-0269 | Sender, Temperature-Lo Engine | 1 | Sensor | Amazon eBay $239.00 |
| 322-17 | Bulb, (2) Panel ( I ) Pilot | 2 | Lamp | Amazon eBay |
| 322P69 | Bracket, Mounting - Engine | 1 | Bracket | Amazon eBay |
| 323-1591 | # Plug, Seal (E1) | 1 | Seal | Amazon eBay |
| 323-1708 | # Seal, Cable (P8) | 4 | Seal | Amazon eBay |
| 332AI006 | Block, Terminal | 1 | Block | Amazon eBay |
| 332AI009 | Block, Terminal | 1 | Block | Amazon eBay |
| 358072 | 3/8"-16 UNC-2A THD Thrubolt | 1 | Bolt | Amazon eBay |
| 420A248 | Air filter | 1 | Air filter | Amazon Amazon eBay eBay |
| 501-0225 | 45' Lg - With Both Ends 1/8' NPT Male Fittings | 1 | Belt | Amazon eBay |
| 501-0227 | Line, Fuel - Flexible (24' La x 1/8' NPT Male x-1/8° NPT Male) | 1 | Hose | Amazon eBay |
| 502-0068 | Tee (3/8' x 5/8' x 5/8') to | 1 | Hose | Amazon eBay |
| 502-0313 | Elbow, Hose − 90° (1/8” Pipe to 1/4” Hose) | 1 | Hose | Amazon eBay |
| 502-0433 | [;b'$P&x 5/16 ID Hose] | 1 | Hose | Amazon eBay |
| 502-0613 | Connector, Hose | 1 | Hose | Amazon eBay |
| 502-0869 | Connector (3/8') | 1 | Hose | Amazon eBay |
| 502-0870 | Tee, Hose | 1 | Hose | Amazon eBay |
| 502-1314 | Connector, Hose | 1 | Hose | Amazon eBay |
| 503-0183 | Clamp, Hose | 1 | Hose | Amazon eBay |
| 503-0365 | Clamp, Hose | 1 | Hose | Amazon eBay |
| 503-0594 | Hose, Rubber - Preformed | 1 | Hose | Amazon eBay |
| 503-059b | Hose, Rubber - Preformed | 1 | Hose | Amazon eBay |
| 503-0685 | Clamp, Hose | 1 | Hose | Amazon eBay $15.00 |
| 503-1058 | Spacer, Fan Hose, Radiator - Upper | 1 | Hose | Amazon eBay |
| 503-1062 | Hose - Intake Manifold Water Pump (3/8' ID) | 1 | Hose | Amazon eBay |
| 503-1074 | Hose Reducer | 1 | Hose | Amazon eBay |
| 503-1084 | Elbow. Reducer | Hose | Amazon eBay | |
| 503-1250 | Hose, Water Bypass (5/8' Ill) | 1 | Hose | Amazon eBay |
| 503-1251 | Hose, Water Bypass (5/8' 10] | 1 | Hose | Amazon eBay |
| 503-1450 | Hose, Cleaner - Air | 1 | Hose | Amazon eBay |
| 503-1552-01 | Ho!M? (5/8' ID X 14') | 2 | Hose | Amazon eBay |
| 503-2126 | Hose, Vacuum | 1 | Hose | Amazon eBay |
| 503-365 | Clamp, Hose | 2 | Hose | Amazon eBay |
| 505-0180 | Plug, Pipe (1-1/4"), Air Cleaner Adapter and Intake Manifold | 1 | Air filter | Amazon eBay |
| 505-382 | Nipple, Exhaust(3"x 2-5/8") | 2 | Exhaust | Amazon eBay |
| 505-4 | Hose (Order 6 “of Bulk Hose Number 503-324) | I 9 | Hose | Amazon Amazon eBay eBay |
| 509-0125 | Key, Handle - Screw, Lock (3/8 - 16 x .75") | 1 | Seal | Amazon eBay |
| 509-0191 | Seal, Oil (Includes Wear S1eeve ) | 1 | Seal | Amazon eBay |
| 509-0196 | O'Ring | 1 | Seal | Amazon eBay |
| 511-0112 | Belt, Fan | 1 | Belt | Amazon eBay |
| 515-0094 | Key, Crankshaft Woodruff Belt | 1 | Belt | Amazon eBay |
| 52 099 08-S | Switch, oil pressure | 1 | Sensor | buy |
| 520-2403 | Stud, Injection Pump (M8) | 3 | Pump | Amazon eBay |
| 718-1069 | Fan Pldl@y Sell. Vee Smwv, Cap Hex Head (M8 X I 25 X 25] | 1 | Belt | Amazon eBay |
| 750-1004 | Nut, Hex (M6 x 1) Washer, Lock - Spring (M6) Adapter, Hose Hose, Rubber - Preformed | 1 | Hose | Amazon eBay |
| ADV-6823-A | Air Filter, Spark Plug Location | 1 | Air filter | Amazon eBay |
| BKR-8YU11 | Spark Plug, CH20/CH740 | 4 | Spark plug | Amazon eBay |
| GM102176 | Oil pressure sensor boot | 1 | Sensor | Amazon eBay |
| GM103743 | Emergency Stop Switch (optional) | 1 | Emergency stop switch | Amazon eBay $59.99 |
| GM106686 | Air Filter, Oil, qts. 60RCLA(B) 6.2L NA GM106686 | 6.26 (13.8) | Air filter | eBay |
| GM111084 | Shutdown Switch | 1 | Shutdown switch | Amazon eBay |
| GM118704 | Spark Plugs | 1 | Spark plug | eBay |
| GM118705 | Spark Plugs | 1 | Spark plug | Amazon eBay |
| GM118706 | Air Filter, Oil, qts. 4 (8.8) | 3 | Air filter | eBay |
| GM118707 | Air Filter, Oil, qts. 2.95 (6.5) | 4 | Air filter | eBay |
| GM118708 | Air Filter, Oil, qts. 3.03 (6.7) | 2 | Air filter | eBay |
| GM118709 | Air Filter, Oil, qts. 3.03 (6.7) | 2 | Air filter | eBay |
| GM119128 | Maintenance Kit 26RCA, 10W-50 Oil | 1 | Maintenance kit | Amazon eBay |
| GM119129 | Maintenance Kit 26RCA, 5W-30 Oil | 1 | Maintenance kit | Amazon eBay |
| GM20990 | Gasket | 4 | Gasket | Amazon eBay |
| GM28823 | Sensor, oil temperature | 1 | Sensor | Amazon eBay $50.00 |
| GM28981 | UEGO sensor interface harness | Sensor | eBay | |
| GM29253-GA2 | Controller Wiring Diagram | 1 | Controller wiring diagram | Amazon eBay |
| GM29358-B | Point-to-Point Wiring Diagram, Single Phase | 1 | Point-to-point wiring diagram | Amazon eBay |
| GM29385 | UEGO oxygen sensor service kit | Sensor | eBay | |
| GM51559 | 3/8"-16 UNC-2A THD Thrubolt | 1 | Thrubolt | Amazon eBay |
| GM80980 | Brush(es) | 1 | Brush | Amazon eBay |
| GM90969-KP1-QS | 3" Concrete Mounting Pad (only comes in quantities of 5) | Physical | Amazon eBay | |
| GM90969-KP2-QS | 4" Concrete Mounting Pad (only comes in quantities of 5) | Physical | Amazon eBay | |
| GM92228-KP1-QS | 3" Concrete Mounting Pad (only comes in quantities of 5) | Physical | Amazon eBay | |
| GM92228-KP2-QS | 4" Concrete Mounting Pad (only comes in quantities of 5) | Physical | Amazon eBay | |
| KG2204 | Air Filter, Oil, qts. 5.1 (11.2) | 2.2L GMg93396 | Air filter | Amazon eBay |
| KG6208 | Air Filter, Oil, qts. 5.7L GM89979 | 1 | Spark plug | Amazon eBay $999.99 |
| KO3226 | Electric Starter Service Kit | 1 | Battery | Amazon eBay |
| RSP-FT-02-US-91 | Pack first: complete service kit comprising air filter, air pre filter, spark plugs and oil filter. | Air filter | Amazon eBay | |
| RSP-FT-04-US-91 | Pack first: complete service kit comprising air filter, air pre filter, spark plugs and oil filter. | Air filter | Amazon eBay | |
| X-386-109 | Fuel line, flexible | 1 | Hose | Amazon eBay |
| X-386-112 | Line, flex (50.0") | 1 | Hose | Amazon eBay |
| X-386-128 | Line, flex (42.0") | 1 | Hose | Amazon eBay |
| X-6422-31 | Seal | Seal | eBay | |
| 098-7130 | Label, Warning Heat | 1 | Service part / kit | Amazon eBay |
| 098-7369-01 | HDCAC | 2 | Service part / kit | Amazon eBay |
| 098-7374 | Label, Warning | 1 | Service part / kit | Amazon eBay |
| 098-7375 | Label, Switch | 1 | Service part / kit | Amazon eBay |
| 098-7376 | Label, Circuit Breaker | 1 | Service part / kit | Amazon eBay |
| 098-7398-01 | HDCAA | 2 | Service part / kit | Amazon eBay |
| 098-7398-02 | HDCAB | 2 | Service part / kit | Amazon eBay |
| 098-7399-01 | 45A, 2 Pole | 1 | Service part / kit | Amazon eBay |
| 098-7399-02 | 50A, 2 Pole | 1 | Service part / kit | Amazon eBay |
| 098-7461 | Label, Warning Hazardous Voltage | 1 | Service part / kit | Amazon eBay |
| 098-7462 | Label, Service Information Label, Model Ident | 1 | Service part / kit | Amazon eBay |
| 098-7463 | Label, Fuel Attachment | 1 | Service part / kit | Amazon eBay |
| 098-7464 | Label, Coolant Drain | 1 | Service part / kit | Amazon eBay |
| 098-7465-03 | Label, Control Face | 1 | Service part / kit | Amazon eBay |
| 098-7466 | Label, Control Rear | 1 | Service part / kit | Amazon eBay |
| 098-7497-01 | Label, Warning Install | 1 | Service part / kit | Amazon eBay |
| 098-7498-01 | Label, Warning Hazardous | 1 | Service part / kit | Amazon eBay |
| 098-7515-01 | Label, Warning Voltage | 1 | Service part / kit | Amazon eBay |
| 1-24-67 | Crankshaft | 1 | Service part / kit | Amazon eBay |
| 10-24-658 | Air Intake | 1 | Service part / kit | Amazon eBay |
| 101-0439 | Plate, Rear Bearing Bearing, Crankshaft | 1 | Service part / kit | Amazon eBay NAPA $95.66 |
| 102-0778 | Adapter, Pipe - Oil Drain | 1 | Service part / kit | Amazon eBay |
| 104-0032 | Gear, Crankshaft | 1 | Service part / kit | Amazon eBay NAPA $260.36 |
| 104-0091 | Washer, Flat (Special) | 4 | Service part / kit | Amazon eBay |
| 104-1953 | Washer, Flat (1/2' ID x 2.25' OD) | 1 | Service part / kit | Amazon eBay |
| 104-1958 | Marked *) Spec A/B Begin Spec C *Pulley Assy, Drive (Includes | 1 | Service part / kit | Amazon eBay |
| 104-2000 | Marked *) Spec A/B Begin Spec C *Pulley Assy, Drive (Includes | 1 | Service part / kit | Amazon eBay |
| 105-0058 | Plunger, Camshaft | 1 | Service part / kit | Amazon eBay |
| 105-0059 | Spring, Plunger | 1 | Service part / kit | Amazon eBay |
| 105-0508 | Shaft, Idler Gear | 1 | Service part / kit | Amazon eBay |
| 105-0513 | Gear, Idler (Includes Finished 8earing) | 1 | Service part / kit | Amazon eBay |
| 105-0519 | 8earing, Idler Gear (Semi Finished) | 1 | Service part / kit | Amazon eBay |
| 105-0541 | Washer, Thrust | 1 | Service part / kit | Amazon eBay |
| 105-0641 | Gear (Includes Spacer and Plate) | 1 | Service part / kit | Amazon eBay |
| 105-0676 | Camshaft | 1 | Service part / kit | Amazon eBay |
| 10S-2283 | Cap | 1 | Service part / kit | Amazon eBay |
| 11-24-3 | Exhaust | 1 | Service part / kit | Amazon eBay |
| 110-0904 | Rotocap, Exhaust | 2 | Service part / kit | Amazon eBay NAPA $116.06 FridayParts $124.86 |
| 110-1719 | Valve, Exhaust | 2 | Service part / kit | Amazon eBay |
| 110-2181-03 | .50 MM Oversize | 6 | Service part / kit | Amazon eBay |
| 110-2781-01 | Standard | 6 | Service part / kit | Amazon eBay |
| 110-2781-02 | .25 MM Oversize | 6 | Service part / kit | Amazon eBay |
| 110-3045 | Standard | 1 | Service part / kit | Amazon eBay FridayParts $124.86 |
| 110-3226-01 | Standard | 6 | Service part / kit | Amazon eBay |
| 110-3226-02 | .25 MM Oversize | 6 | Service part / kit | Amazon eBay |
| 110-3226-03 | .50 MM Oversize | 6 | Service part / kit | Amazon eBay |
| 110-3245 | Cap, Valve Stem (Not used on some early models) | 1: | Service part / kit | Amazon eBay |
| 110-3462 | Valve, Exhaust Valve | 2 | Service part / kit | Amazon eBay |
| 110-3462-01 | Oversize | 2 | Service part / kit | Amazon eBay |
| 110-3462-02 | .005' Oversize | 2 | Service part / kit | Amazon eBay |
| 110-3462-03 | .010' Oversize | 2 | Service part / kit | Amazon eBay |
| 110-3462-04 | .025' Oversize Seat, Intake Valve | 2 | Service part / kit | Amazon eBay |
| 110-3490 | 0.5 MM Oversize | Service part / kit | Amazon eBay | |
| 110-3655 | .005' Oversize | 2 | Service part / kit | Amazon eBay |
| 110-3655-05 | Piston Ring Standard .005 Oversize | 24 | Service part / kit | Amazon eBay |
| 110-3655-10 | .010' Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0265 | Piston (Includes Pin, Rings and Retaining Rings) Oversize Oversize Oversize Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0265-01 | Standard Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0265-02 | Standard Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0265-03 | Standard Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0265-05 | Standard Oversize | 2 | Service part / kit | Amazon eBay |
| 112-0267 | Standard Oversize | 2 | Service part / kit | Amazon eBay |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 25% | 6.81 | 1.8 |
| Prime | 50% | 7.95 | 2.1 |
| Prime | 75% | 10.6 | 2.8 |
| Prime | 100% | 13.63 | 3.6 |
Available documents
Spec sheet (Kohler)Spec sheet — Kohler.6VSG.Specs.g4213 (Kohler)Spec sheet — g4213 (Kohler)Operator's manual — OnCue-Plus-Operation-Manual (Kohler)Operator's manual — tp6928 (Kohler)Reference (Kohler)Reference — tp6766cmp (Kohler)Reference — tp7004 (Kohler)Owner's manual — tp6796 (Kohler)Parts manual (Kohler)Parts manual — g6129 (Kohler)Parts manual — kohlerpow datasheet stepid-2757002 (Kohler)Parts manual — tp6842 (Kohler)Parts manual — tp6845 (Kohler)Service manual — Controllers tt1589 (Kohler)Service manual — TT1721 (Kohler)Service manual — tp6844 (Kohler)Service manual — tp7007 (Kohler)Service manual — tt1297 (Kohler)Service manual — tt1445 (Kohler)Service manual — tt1618 Oncue Wireless (Kohler)
This page was generated from the 21 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.