Jinlang 1P39QMB-3

The Jinlang 1P39QMB-3 is a 0.05 l (49.6 cc, 3.03 cu-in) single cylinder, 4-stroke, forced air-cooled internal combustion motorcycle engine, manufactured by Zhejiang Jinlang Power Co. LTD.

A 39 mm (1.54 in) cylinder bore and 41.5 mm (1.63 in) piston stroke give the motor a total of 49.6 cc (3.03 cu-in) of displacement, compression ratio rating is 10.5:1. The 1P39QMB-3 produced 3.0 PS (2.2 kW; 3.0 HP) at 7,500 rpm of maximum horsepower and 2.8 Nm (0.3 kg·m; 2.1 ft·lb) at 6,000 rpm of torque. Minimum idling speed is 2,000 rpm.

General information

Engine Specifications
Model Jinlang 1P39QMB-3
Type Four-stroke, single cylinder
Displacement 49.6 ml (3.03 cu-in)
Max. horsepower 3.0 PS (2.2 KW; 3.0 HP) at 7,500 rpm
Max. torque (crank PTO) 2.8 Nm (0.3 kg·m; 2.1 ft·lb) at 6,000 rpm
Cooling system Forced-air
Ignition system Capacitance discharge ignition (CDI)
Lubricating system Splash
Starting system Electric / kick
Fuel used Unleaded gasoline (octane number 86 or higher)

Dimensions and Weight

Length, mm (in) 620 (24.4)
Width, mm (in) 390 (15.4)
Height, mm (in) 310 (12.2)
Dry weight, kg (lb) 22.5 (49.6)
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