Honda GX390 Petrol Engine
Key Features
- Multiple configurations available
- 4-stroke technology
- Cast iron bore
- Aus-wide shipping
Features
| Engine | 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 (26.5 Nm) @ 2,500 rpm |
| PTO Shaft Rotation | Counterclockwise (from PTO shaft side) |
| Compression Ratio | 8.2:1 |
| Carburetor | Butterfly Float Type |
| Ignition System | Digital CDI with variable timing |
| Starting System | Recoil |
| Lubrication System | Splash |
| Governor System | Centrifugal Mass Type |
| Air Cleaner | Dual element |
| Oil Capacity | 1.1 L |
| Fuel Tank Capacity | 6.1 liters |
| dry Weight | 31.5 kg |
| 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. |
One of the most popular Honda horizontal engines on the market. This engine is powerful, easy to start, reliable, and a source of 4-stroke power that you can trust. This engine is commonly used on a range of pieces of equipment including pressure washers, tillers, agriculture equipment, forestry equipment, construction equipment, water pumps, and more.
If you have demanding conditions and need the best in the business then look no further than the Honda GX series! It features a digital CDI ignition system with variable timing, precision camshaft design for precise valve timing and OHV design which all combine for a more fuel-efficient, higher-performing engine.
This engine is smooth in operation with a forged steel crankshaft, helical-cut gears, and an improved camshaft and muffler that reduces overall engine noise. Protected by an oil alert and dual-element air cleaner you can be ensured Honda is doing the best to increase the durability of this engine.
A cast-iron cylinder bore means it can withstand long hours of use in some of the harshest conditions.
| SKU | Start Type | Shaft Type | Option 3 | Availability | |
|---|---|---|---|---|---|
 | GX390UT2XQXUZ | Recoil Only | 1" Keyed Straight Shaft | Available | |
| GX390UT2XQXER | Recoil & Electric | 1" Keyed Straight Shaft | Available | |
| GX390UT2XVXE8 | Recoil & Electric | Tapered Shaft | Special Order | |
| GX390UT2XVX8 | Recoil Only | Tapered Shaft | Special Order | |
| GX390UT2XPXU | Recoil Only | 1" Screwed Shaft | Available | |
| GX390UT2XQNR2 | Recoil & Electric | 1" Keyed (18AMP Charge Coils) | Available | |
| GX390UT2XSME0 | Recoil & Electric | 25mm Keyed Straight | Available | |
| GX390UT2XPXD8 | Recoil & Electric | 1" Screwed (7AMP Charge Coils) | Available | |
| GX390UT2XLXU | Recoil Only | 25mm Keyed Straight (2:1 Reduction) | Available | |
| GX390UT2XLXE8 | Recoil & Electric | 25mm Keyed Straight (2:1 Reduction) | Available | |
| GX390RT2VKE4 | Recoil & Electric | Tapered Shaft | Special Order |
Related Products
Start Assy Hon 28400-ze3-w02zp
Honda Recoil Starter Assembly To Suit Gx340, Gx390, Gx610 And Gx620 Engines. Metal Dawgs, Metal Housing. 28400ze3w02zp...
Start Assy Hon 28400-ze2-w02zn
Honda Recoil Starter Assembly To Suit Gx240 And Gx270 For 8 Hp And 9 Hp Engines. Metal Dawgs. 28400ze2w02zn...
Starter Recoil Bolts Hon 90008-ze2-003(pk3)
Honda Recoil Flange Bolts To Suit Gx120, Gx160, Gx200, Gx240, Gx270, Gx340, Gx390, Gx610 And Gx620. 90008ze2w02zn. (pk3)...
Starter Hdl Hond 28461-ze2-w03
Honda Starter Handle To Suit Gx240, Gx270, Gx390, Gx610, Gx620, Gxv340, Gxv390, Gxv610 And Gxv620 Engines...
Start Assy Hon 28400-ze2-w02zb
Honda Recoil Starter Assembly To Suit Gx240 And Gx270 For 8 Hp And 9 Hp Engines. Metal Dawgs. 28400ze2w02zb...
Start Assy Hon 28400-ze3-w02zh
Honda Recoil Starter Assembly To Suit Gx340, Gx390, Gx610 And Gx620 Engines. Metal Dawgs, Metal Housing. 28400ze3w02zh...
Start Sprg Honda 28442-ze2-w01
Honda Gx240, Gx270, Gx340, Gx390, Gx610, Gx620, Gxv340, Gxv390, Gxv610 And Gxv620 Recoil Starter Spring. 28442ze2w01...
Honda Air Cleaner Wing Nut 90325-044-000
Honda Wing Nut To Suit Gx110, Gx120, Gx160, Gx200, Gx240, Gx270, Gx340, Gx390, Gxv120, Gxv140, Gxv160, Gxv390 Engines. 90325044000...
Fuel Joint Honda 16955-ze1-010
Honda Gx110, Gx120, Gx160, Gx200, Gx240, Gx270 And Gx390 Fuel Joint Assembly. 16955ze1010...
Honda Tank Filter 17672-880-000
Honda Gx110, Gx120, Gx140, Gx160, Gx200, Gx240, Gx270, Gx340 And Gx390 Fuel Tank Filter. 17672880000...
Stop Switch Hond 36100-zh7-003
Engine Stop Switch Honda 36100-zf6-p82...