
The Honda GXV390 is an air-cooled single-cylinder four-stroke gasoline engine with a vertical PTO shaft. This engine has an 88.0 mm (3.46 in) of the cylinder bore and 64.0 mm (2.5 in) of the piston stroke, and the compression ratio rating of 7.7:1.
The Honda GXV390 engine produced 13.0 HP (9.7 kW) at 3,600 rpm of maximum power and 28.0 Nm (2.8 kg·m, 20.3 ft·lb) at 2,500 rpm of peak torque.
General information
| General Specifications | ||
| Model | Honda HF2213 | |
| Length | 1,780 mm (70.1 in) | |
| Width | 950 mm (37.4 in) | |
| Height | 1,070 mm (42.1 in) | |
| Weight | 220 kg (485) | |
| Fuel tank capacity | 7.0 l | |
| Engine | ||
| Engine model | Honda GXV390 | |
| Displacement | 389 cm3 (23.7 cu-in) | |
| Bore x stroke | 88.0 X 64.0 mm (3.46 x 2.5 in) | |
| Max. horsepower | 13.0 HP (9.7 kW) at 3600 rpm | |
| Max. torque | 28.0 Nm (2.8 kg·m, 20.3 ft·lb) at 2,500 rpm | |
| Carburetor | Horizontal type, butterfly valve | |
| Cooling system | Forced-air | |
| Ignition system | Transistorized magneto ignition | |
| Lubricating system | Pressure and splash | |
| Starting system | Electric starter | |
| Stoping system | Ignition primary circuit ground | |
| Fuel used | Unleaded gasoline (octane number 86 or higher) | |
| Transmission | ||
| Groung speeds | Forward: 7.6 km/h (4.7 mph) Reverse: 3.7 km/h (2.3 mph) | |
| Wheels and tires | ||
| Front tires size | 13×5.0-6 | |
| Front tires pressure | 1.5 bar (150 kPa) | |
| Rear tires size | 18×8.5-8 | |
| Rear tires pressure | 1.2 bar (120 kPa) | |
Maintenance data
| Engine | |
| Maximum speed | 3700 ± 150 rpm |
| Idle speed | 1750 ± 150 rpm |
| Cylinder compression | 5.0-8.5 kg/cm2 (71-151 psi) at 600 rpm |
| Valve clearance | |
| Intake valve | 0.10 ± 0.02 (0.004 ± 0.001) |
| Exhaust valve | 0.15 ± 0.02 (0.006 ± 0.001) |
| Oil system | |
| Oil type | Honda 4-stroke or an equivalent (SF or SG) |
| Recommended oil | SAE 10W-30 |
| Oil capacity | 1.1 L (1.2 US gal, 1.0 lmp qt) |
| Ignition system | |
| Ignition timing | 20 ° B.T.D.C (Fixed) |
| Spark plug | NGK: BPR5ES NIPPONDENSO: W16EPR-U |
| Spark plug gap | 0.7-0.8 mm (0.028-0.031 in) |
| Primary ignition coil resistance | 0.7-0.9 Ω |
| Secondary ignition coil resistance | 6.3-7.7 kΩ |
| Ignition coil air gap | 0.4 ± 0.2 (0.016 ± 0.008) |
| Starter motor | |
| Brush length | 7.2 mm (0.28 in) limit: 3.5 mm (0.14 in) |
| Mica depth | 1.0 mm (0.04 in) limit: 0.2 mm (0.01 in) |
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