139QMB GY6 50cc

139QMB GY6 50cc SPECIFICATION

ENGINE NAME: 139QMB


ENGINE TYPE: 1-CYLINDER/4-STROKES/AIR-COOLED

DISPLACEMENT: 49.5CC

Bore/Stroke: 39.0×41.4mm
IDLE PERFORMANCE: (r/min)1300±100
MAX.POWER: (hp/kw/r/min)2.3kw/7500r/min
MAX. Torque: 3.1n.m/6,500rpm
Compression Ratio: 10.5:1
NOISE: (dB(A))=73
START: ELECTRIC/KICK
IGNITION: C.D.I
DRIVE: REAR DRIVE
TRANSMISSION: BELT
CLUTCH: AUTO/DRY/MULTIPLATE
Oil Grade: SAE15W/40
Lubrication: Pressure/Splash

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