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2012 Honda Engines GX390
The GX390 is all new for 2010, featuring more power, quieter performance, lower fuel consumption, and lower emissions. With new features and better performance, the new GX engines establish themselves yet again as the best engines in the business.
Common Applications: Pressure washers, Commercial lawn and garden equipment, Tillers / cultivators, Generators, Forestry equipment, Construction / industrial equipment, Agricultural equipment, Small vehicles, Water pumps.
Features
All
Fuel Efficient, High Output Operation • Digital CDI ignition system with variable timing • 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
Smooth Performance • Precision engineered components result in lower vibration • Ball bearing supported crankshaft for greater stability • Heavy duty balancer shaft • Improved piston design
Exceptionally Quiet • Large capacity, multi-chamber exhaust system • Improved camshaft and muffler reduce overall engine noise by up to 5 dB • Forged steel crankshaft and rigid crankcase • Helical cut gears • Sophisticated air intake system
Proven Reliability • Oil Alert • Cast iron cylinder sleeve • High quality materials, fit, and finish • Dual element air cleaner • Fuel Valve • 3-Year Limited Warranty
Easy to Use and Maintain • Simple throttle control • Large fuel tanks • Large automotive type fuel cap • Dual oil drains and fill • Easy, convenient, heavy duty control box • Easily accessible spark plug
Easy Starting • Heavy duty recoil starter • Automatic mechanical de-compression system • Variable ignition timing
Emissions Compliant • CARB and EPA certified • No catalyst necessary
Available Options • Low profile versions • Gear reduction options • Electic start • Spark arrester available • Charge and lamp coils with multiple output options available • Cyclone Air Cleaner available
2012 Honda Engines GX390
Specifications
Engine
- Engine
- Air-cooled 4-stroke OHV
- Bore x Stroke
- 88 X 64 mm
- Displacement
- 389 cm3
- Torque
- (Net) 19.5 lb-ft (26.4 Nm) @ 2,500 rpm
- Compression Ratio
- 8.2:1
- Carburetor
- Butterfly Float Type
- Starting System
- Recoil/electric
- Lubrication
- Splash
- Governor
- Centrifugal Mass Type
- Air Cleaner System
- Dual element
- Oil Capacity
- 1.16 US qt (1.1 L)
- Fuel Capacity
- 6.4 U.S. qts (6.1 liters)
- Fuel
- Unleaded 86 octane or higher
Transmission
- Ignition
- Digital CDI with variable timing
Dimensions
- Dry Weight
- 69 lb (31.5 kg)
- Length
- 16.0" (407 mm)
- Width
- 19.1" (485 mm)
- Height
- 17.7" (449 mm)
General Information
- Coil
- (Lamp/Charge options) 25W, 50W / 1A, 3A, 10A, 18A
- PTO Shaft
- (Rotation) Counterclockwise (from PTO shaft side)
- Output
- (Net Power) 11.7 HP (8.7 kW) @ 3,600 rpm
Photos