The Jinlang 1P57QMJ-3 is a 149.6 cc (9.13 cu-in) single cylinder, 4-stroke, forced air-cooled/oil-cooled internal combustion motorcycle engine, manufactured by Zhejiang Jinlang Power Co. LTD.
The LJ1P57QMJ-3 engine cylinder bore is 57.4 mm (2.26 in) and the piston stroke is 57.8 mm (2.28 in) and compression ratio rating is 9.5:1. The Jinlang 1P57QMJ-3 produced 9.2 PS (6.8 kW; 9.1 HP) at 7,500 rpm of maximum horsepower and 9.8 Nm (1 kg·m; 7.23 ft·lb) at 6,000 rpm of torque. Minimal idling speed 1,700 rpm.
General information
| Engine Specifications | |
| Model | Jinlang 1P57QMJ-3 |
| Type | Four-stroke, single cylinder |
| Displacement | 149.6 cc (9.13 cu-in) |
| Max. horsepower | 9.2 PS (6.8 KW; 9.1 HP) at 7,500 rpm |
| Max. torque (crank PTO) | 9.8 Nm (1 kg·m; 7.23 ft·lb) at 6,000 rpm |
| Cooling system | Forced-air |
| 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 1P57QMJ-3 | |
| Length, mm (in) | 800 (31.5) |
| Width, mm (in) | 500 (19.7) |
| Height, mm (in) | 425 (16.7) |
| Dry weight, kg (lb) | 33 (72.8) |
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