ENGINE PARTS --> 4 STROKE 139QMB-2

4 Stroke 50CC / 70CC / 80CC 139QMB-2 / 144QMC-2 / 147QMD-2 / 150QMG-2
Type Single cylinder\4-strokes\forced air-cooled
Model 1P39QMB-2 1P44QMC-2  1P47QMD-2 1P50QMG-2
Cylinder (mm) 39 44.0 47.0 50.0
Piston displacement (mm) 41.5 41.5 41.5 41.5
Displacement (ml) 49.6 63.1 72 81.5
Nominal power (km/rpm) 2.0/7500 2.3/7500 2.6/7500 3.2/7500
Max power (kn/rpm) 2.2/8000 2.5/8000 2.8/8000 3.5/8000
Max Torque (N.m/rpm) 2.6/6500 3.5/6500 3.8/6500 4.8/6500
Idle (r/min) 2000¡À150 2000¡À150 2000¡À150 2000¡À150

Magneto have octuple-poles AC, octuple-poles DC, octuple-poles complete DC. Above the engine is designed with secondary gas-filling equipment, and can pass EPA certification. Upon request, non-secondary gas-filing engine can be chosen, and reverse gear can be built out.