HomeHondaHonda EM5000SXK3

Honda EM5000SXK3 Generator Set

The Honda EM5000SXK3 is a 4.5 kW standby generator set powered by a Honda GX390T2 engine. It is available at 120 V and 240 V, Single phase-phase, 60 Hz and rated 37.5 A. It holds about 1.2 L (0.3 gal) of oil. The set measures 1051×706×719 mm (41.4×27.8×28.3 in) and weighs about 103.5 kg (228 lb). An integrated tank holds 23.5 L (6.2 gal), roughly 8.1 hours of runtime.

4 kW
Standby
0.389 L
Displacement
1.2 L
Oil capacity
1
Document types

Specifications

Frequency60.0 Hz
Standby power4 kW
ControllerDigital AVR
Oil capacity1.2 L
Voltage options120 V, 240 V
PhaseSingle phase
Rated current37.5 A
Dimensions (L×W×H)1051×706×719 mm
Dry weight103 kg
Fuel tank23.5 L
Tank runtime8.1 hr

Engine

Honda GX390T2
Oil capacity1.16 L
Displacement0.389 L
Aspiration4-stroke

Maintenance & consumables

for the Honda GX390T2
ItemSpecCapacityPart #Interval
Air filterFOAM AIR FILTER CLEANINGH34895-AF000250 hr eBay PartsGeek
Fuel filterH34897-AF000100 hr eBay PartsGeek
Oil filterSAE 10W-30, API SJ or later (or equivalent)H34896-AF000300 hr eBay PartsGeek
BeltH34892-AF000500 hr eBay PartsGeek
Coolant1.6 L300 hr
Oil1.25 L50 hr

Common questions

What is the power rating of the Honda EM5000SXK3?

The Honda EM5000SXK3 is rated 4 kW standby.

What engine does the Honda EM5000SXK3 use?

The Honda EM5000SXK3 is powered by the Honda GX390T2 engine.

What is the oil capacity of the Honda EM5000SXK3?

The Honda GX390T2 engine in the Honda EM5000SXK3 has an oil capacity of 1.16 liters.

Troubleshooting

8

Symptoms & remedies

SymptomCauseRemedy
Engine does not start or is hard to start.Engine lacks power. Engine will not rev sufficiently. ENGINE OIL level low. FUEL STRAINER clogged. IGNITION COIL faulty. CHARGE / POWER COIL faulty. CONTROL GEAR BOX faulty. COMBINATION SWITCH faulty. ECM faulty. SPARK ARRESTER clogged. VALVE or VALVE SEAT worn or damaged. CYLINDER, PISTON, or PISTON RING worn. WIRE HARNESS faulty. OIL LEVEL SWITCH faulty. SPARK PLUG faulty. AIR CLEANER ELEMENT clogged. CARBURETOR faulty. VALVE CLEARANCE incorrect.
Does not crankPerform STARTING SYSTEM TROUBLESHOOTING
Compression is too lowValve spring free length, Valve seat width, Valve face irregularly worn, Decompressor operation, Piston ring side clearance, Piston ring width, Piston ring end gap, Piston skirt O.D., Cylinder sleeve I.D.Check the valve clearance (page 3-9), and then perform the cylinder compression test (page 11-5). If the cylinder compression is too low, perform a leak-down test.
Compression is too highPerform the cylinder compression test (page 11-5). If the cylinder compression is too high, remove carbon deposits in the combustion chamber (page 3-10).
Engine hard to startDisassemble the carburetor to check for clogged ports, jets, and nozzles (page 5-10). Restart the engine. Check the control gear box (page 5-7). Remove the carburetor spacer (page 5-4) and check whether the choke valve is closed when pulling the recoil starter.
Engine speed does not stabilizeDisassemble and inspect for restricted parts. Replace or repair the main wire harness. Check for continuity between the ECM 8P connector wire harness side and junction box 8P connector wire harness side: No continuity, Normal, Abnormal, Normal.
Engine does not stop when combination switch is turned offCheck the combination switch (page 7-7). Replace the combination switch. Check for continuity between the ignition coil 4P connector wire harness side and combination switch 2P connector wire harness side: Continuity, No continuity.
Engine does not stop when engine oil level is lowCheck the combination switch (page 7-7). Replace the combination switch. Check for open circuit in junction box circuit (page 7-11). Check for open circuit in the yellow wire between the oil level switch and ignition coil.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

17
Part #DescriptionQtySystem
55-2674-A00-000Engine Oil1Oil PartsGeek
55-2683-A00-000Air Cleaner Element1Air filter PartsGeek
55-2689-A00-000Spark Plug1Spark plug PartsGeek
H34892-AF000Belt, Honda OE1Belt eBay PartsGeek
H34895-AF000Air Filter, Honda OE1Air filter eBay PartsGeek
H34896-AB000Battery, 12V, 7.5Ah, Honda OE1Battery eBay PartsGeek
H34896-AF000Oil Filter, Honda OE1Oil filter eBay PartsGeek
H34896-AP000Spark Plug, NGK Iridium2Spark plug eBay PartsGeek
H34897-AF000Fuel Filter, Honda OE1Fuel filter eBay PartsGeek
00X31-Z37-6160QUICK REFERENCE INFORMATIONService part / kit PartsGeek
06610-Z22-800AHuniversal remote kit w/50’ cable1Service part / kit PartsGeek
06610-Z22-800ZAremote kit w/30’ cable1Service part / kit PartsGeek
07ZAJ-RDJA110BACK PROBE ADAPTER, 17mm (2)Service part / kit PartsGeek
31Z37616QUICK REFERENCE INFORMATIONService part / kit PartsGeek
32520-Z22-850AH50’ ext. cable1Service part / kit PartsGeek
38240-ZE2-8403 amp circuit breakerService part / kit PartsGeek
55-2694-A00-000GFCI Operation Canister1Service part / kit PartsGeek

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.

Available documents

Parts manual — Honda Remote Control Kits (Honda)

Other sets with this engine