Honda Engine, GX Series, Keyway "Q" shaft

Price: $534.95
34.50 LBS


Honda’s GX series engines are legendary for superior reliability and performance. Lower noise levels, lower vibration, and lower emissions – without sacrificing power output or performance.


  • Increased compression ratio
  • Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficency
  • OHV design for increased efficiency and optimal power transfer
  • Precision engineered components result in lower vibration
  • Ball bearing supported crankshaft for greater stability
  • Large capacity, multi-chamber exhaust system
  • Reduced mechanical noise due to light weight, noise-reducing materials
  • Forged steel crankshaft and rigid crankcase
  • Helical cut gears
  • Sophisticated air intake system
  • Oil Alert
  • New carburetor chamber coating and carburetor filter help to protect against fuel impurities
  • Cast iron cylinder sleeve
  • High quality materials, fit, and finish
  • Dual element air cleaner
  • Fuel Valve
  • 3-Year Limited Warranty
  • Simple throttle control
  • Large fuel tanks
  • Large automotive type fuel cap
  • Dual oil drains and fill
  • Easy, convenient, heavy duty control box
  • Lower emissions, same power output!
  • CARB and EPA certified
  • No catalyst necessary

Net Power Output*

GX160 - 4.8 HP (3.6 kW) @ 3,600 rpm

GX200 - 5.5 HP (4.1 kW) @ 3,600 rpm

GX390 - 11.7 HP (8.7 kW) @ 3,600 rpm

* Net horsepower more closely correlates with the power the operator will experience when using a Honda engine powered product. Mass production engines may vary from this value. Actual power output for the engine installed in the final machine will vary depending on numerous factors, including the operation speed of the engine in application, environmental conditions, maintenance and other variables.