Overview
688cc 90-degree V-twin OHV commercial engine, the entry point of Honda’s horizontal-shaft V-twin range. Used on larger generators, pressure washers, and commercial equipment. Net power 20.8 hp at 3600 rpm per Honda’s spec sheet; full-pressure lubrication and electric start.
Specifications
| Series | GX Commercial V-Twin |
|---|---|
| Displacement (cc) | 688 |
| Cylinders | 2 (90-degree V-twin) |
| Net Power (hp @ rpm) | 20.8 @ 3600 |
| Net Power (kW @ rpm) | 15.5 @ 3600 |
| Max Torque (Nm @ rpm) | 48.3 @ 2500 |
| Bore x Stroke (mm) | 78 x 72 |
| Compression Ratio | 9.3:1 |
| Oil Capacity (L) | 1.7 |
| Fuel Type | Petrol (unleaded gasoline) |
| Starting System | Electric |
| Dry Weight (kg) | 44.4 |
| Shaft Type | Horizontal |
