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
JL1P39QMB-3 | |
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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