GX390
The Next Generation of GX Engines.
Honda GX390 QA2 (GX390UT2QA2) horizontal OHV engine is 390cc and puts out 11.7 net HP. This Honda GX has a 1" x 3-31/64" crankshaft. The engine has a recoil starter, a silent muffler with a spark arrestor and deflector plus an oil alert system. More power. Quieter performance. Lower fuel consumption. Lower emissions. Better features. Exceptional performance. Honda’s GX series lives up to the legend, and then some.
COMMON APPLICATIONS
- Pressure washers
- Commercial lawn and garden equipment
- Tillers / cultivators
- Generators
- Forestry equipment
- Construction / industrial equipment
- Agricultural equipment
- Small vehicles
- Water pumps
FEATURES:
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
- Reduced mechanical noise due to piston design
- 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
- 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
SPECIFICATIONS:
|
Engine Type |
Air-cooled 4-stroke OHV |
|
Bore x Stroke |
88 X 64 mm |
|
Displacement |
389 cm3 |
|
Net Power Output* |
11.7 HP (8.7 kW) @ 3,600 rpm |
|
Net Torque |
19.5 lb-ft (26.4 Nm) @ 2,500 rpm |
|
PTO Shaft Rotation |
Counterclockwise (from PTO shaft side) |
|
Compression Ratio |
8.2:1 |
|
Lamp/Charge coil options |
25W, 50W / 1A, 3A, 10A, 18A |
|
Carburetor |
Butterfly Float Type |
|
Ignition System |
Transistorized Digital CDI with variable timing |
|
Starting System |
Recoil/electric |
|
Lubrication System |
Splash |
|
Governor System |
Centrifugal Mass Type |
|
Air Cleaner |
Dual Element |
|
Oil Capacity |
1.16 US qt (1.1 L) |
|
Fuel Tank Capacity |
6.4 U.S. qts (6.1 liters) |
|
Fuel Unleaded |
Unleaded 86 octane or higher |
|
Dry Weight |
69 lb (31.5 kg) |
DEMENSIONS:
|
Length (min) |
16.0" (407 mm) |
|
Width (min) |
19.1" (485 mm) |
|
Height (min) |
17.7" (449 m |
PERFORMANCE:
*Prop 65 Information*
Internal Combustion Engine Products:
WARNING: This product can expose you to chemicals including soots, tars, and mineral oils, which are known to the State of California to cause cancer, and carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov.
*Images are for reference only and may not reflect the actual configuration of the product.