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

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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About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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