The Jinlang 1P57QMJ-2A is a 149.5 cc (9.12 cu-in) single cylinder, 4-stroke, forced air-cooled/oil-cooled internal combustion motorcycle engine, manufactured by Zhejiang Jinlang Power Co. LTD.
The 1P57QMJ-2A 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-2A produced 9.9 PS (7.3 kW; 9.8 HP) at 7,000 rpm of maximum horsepower and 10.1 Nm (1.03 kg·m; 7.45 ft·lb) at 5,500 rpm of torque. Minimum idling speed 1,700 rpm.
Four-stroke, single cylinder
149.5 cc (9.12 cu-in)
9.9 PS (7.3 KW; 9.8 HP) at 7,000 rpm
Max. torque (crank PTO)
10.1 Nm (1.03 kg·m; 7.45 ft·lb) at 5,500 rpm
Capacitance discharge ignition (CDI)
Unleaded gasoline (octane number 86 or higher)
Dimensions and Weight
Length, mm (in)
Width, mm (in)
Height, mm (in)
Dry weight, kg (lb)
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