The Jinlang 1P73MN-4 is a 0.28 l (275.6 cc, 16.82 cu-in) single cylinder, 4-stroke, forced water-cooled internal combustion motorcycle engine, manufactured by Zhejiang Jinlang Power Co. LTD.
Bore and stroke are 72.5 mm (2.85 in) and 66.8 mm (2.63 in), respectively. Compression ratio rating is 10:1. The Jinlang 1P73MN-4 produced 17.7 PS (13 kW; 17.4 HP) at 6,500 rpm of maximum horsepower and 22 Nm (2.2 kg·m; 16.2 ft·lb) at 6,500 rpm of torque. Minimum idling speed 1,500 rpm.
General information
| Engine Specifications | |
| Model | Jinlang 1P73MN-4 |
| Type | Four-stroke, single cylinder |
| Displacement | 275.6 cc (16.82 cu-in) |
| Max. horsepower | 17.7 PS (13 KW; 17.4 HP) at 6,500 rpm |
| Max. torque (crank PTO) | 22 Nm (2.2 kg·m; 16.2 ft·lb) at 6,500 rpm |
| Cooling system | Water-cooled |
| Ignition system | Capacitance discharge ignition (CDI) |
| Lubricating system | Splash |
| Starting system | Kick |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
Dimensions and Weight
| JL 1P73MN-4 | |
| Length, mm (in) | 800 (31.5) |
| Width, mm (in) | 600 (23.6) |
| Height, mm (in) | 425 (16.7) |
| Dry weight, kg (lb) | 38.5 (84.9) |
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