Jinlang 1P39QMB-B

Jinlang 1P39QMB-BThe Jinlang 1P39QMB-B 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-B 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
ModelJinlang 1P39QMB-B
TypeFour-stroke, single cylinder
Displacement49.6 ml (3.03 cu-in)
Max. horsepower3.0 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 systemForced-air
Ignition systemCapacitance discharge ignition (CDI)
Lubricating systemSplash
Starting systemElectric / kick
Fuel usedUnleaded gasoline (octane number 86 or higher)

Dimensions and Weight

JL 1P39QMB-B
Length, mm (in)620 (24.4)
Width, mm (in)390 (15.4)
Height, mm (in)310 (12.2)
Dry weight, kg (lb)21.5 (47.4)
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