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Honda GX 200 Engine

The Honda GX 200 is a 0.2 L 1-cylinder o.h.v. engine rated at 3600 rpm, producing up to 4.73 kW. It powers generator sets from Alpha Technologies, Honda and SDMO, including the DCX3000, GX200, ALIZE 3000 UK and HX 3000. It holds 0.63 L (0.2 gal) of oil and 25.3 L (6.7 gal) of coolant.

Also known as: Honda GX 200

0.196 L
Displacement
1
Cylinders
3600 rpm
Rated speed
4 kW
Gross power

Engine specifications

Oil capacity0.63 L
Coolant capacity25.3 L
Displacement0.196 L
Cylinders1
AspirationO.H.V.
Rated speed3600 rpm
Gross power4 kW

Generator sets powered by this engine

5

Shared across brands: Alpha Technologies, Honda, SDMO

How to read your Honda engine serial & model number →

Common problems

15
  • Water leaks from brass valve on pump.
    Cause: Thermal Relief Valve opening to protect pump.
    Fix: Do not run washer with gun trigger closed for more than 3 minutes. Trigger gun to close valve.
  • Water inlet screen obstructed.
    Fix: Remove screen, clean or replace.
  • Water flows from nozzle when trigger is released.
    Cause: Gun malfunction.
    Fix: DO NOT USE!! See your John Deere dealer.
  • Water flows back into detergent container.
    Cause: Detergent valve jammed, missing or corroded.
    Fix: See your John Deere dealer.
  • Vent in gas cap plugged.
    Fix: Clean vent or install new gas cap.
  • Too many high pressure hose extensions attached to outlet.
    Cause: Maximum.
    Fix: Use only one extension hose
  • Throttle lever not in run position.
    Fix: Move throttle lever up to run position.
  • Strainer obstructed.
    Fix: Inspect, clean or replace.
  • Spark plug wire loose or disconnected.
    Fix: Connect spark plug.
  • Spark plug not gapped correctly.
    Fix: Check and set spark plug gap.
  • Spark plug failed.
    Fix: Install new spark plug.
  • Siphon hose cut, obstructed or kinked.
    Fix: Inspect, clean or replace.
  • Pump sucking air. (Pump prime lost.)
    Fix: Tighten all water intake connections. Eliminate leaks in intake line.
  • Pump shuddering and flattening of the supply hose
    Cause: Attempting to operate the washer with less than adequate water supply
  • Pump oil is white or milky color.
    Cause: Water in oil.
    Fix: Change oil. Avoid directing water spray at pump.

Compiled from service & troubleshooting documentation across every generator set that uses the Honda GX 200.

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filterevery 100 hours and every 200 hours or 3 months, whichever comes first200 hr
Fuel filter300 hr
Oil filterafter the first 50 hours of operation and every 200 hours or 3 months, whichever comes first200 hr
Batteryevery 100 hours and every 200 hours or 3 months, whichever comes first200 hr
Beltevery 100 hours and every 200 hours or 3 months, whichever comes first200 hr
Coolantafter the first 50 hours of operation and every 200 hours or 3 months, whichever comes first200 hr
Oilafter the first 50 hours of operation and every 200 hours or 3 months, whichever comes first200 hr
Spark plugevery 100 hours and every 200 hours or 3 months, whichever comes first200 hr

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
Engine oilSAE 15W40Sold by SDMO in 0.5 L (RBH0,5) and 1 L (RBH1) bottles

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Aftermarket parts that fit this engine

32

Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.

Common questions

What is the oil capacity of the Honda GX 200?

The Honda GX 200 engine has an oil capacity of 0.63 liters.

What is the displacement of the Honda GX 200?

The Honda GX 200 has a displacement of 0.196 liters with 1 cylinders.

Which generators use the Honda GX 200 engine?

The Honda GX 200 powers 5 generator set(s), including Alpha Technologies DCX3000, Honda GX200, SDMO ALIZE 3000 UK, SDMO HX 3000, SDMO HX 3000 TB UK.

How often should you change the oil in the Honda GX 200?

The Honda GX 200 oil change interval is every 200 hours.

What is a common problem with the Honda GX 200 engine?

A commonly reported issue on generators using the Honda GX 200 is: Water leaks from brass valve on pump.. Cause: Thermal Relief Valve opening to protect pump.. Fix: Do not run washer with gun trigger closed for more than 3 minutes. Trigger gun to close valve..