ENGINE PARTS --> 4 Stroke 139QMB / 144QMC / 147QMD / 150QMG

** How to upgrade your 50cc 139QMB to 60cc or 80cc**

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Type Single cylinder\4-strokes\forced air-cooled
Model GY6-1P39QMB GY6-1P44QMC GY6-1P47QMD GY6-1P50QMG
Related Factories BAOTIAN, HAOJUE, HAOJIN, HUATIAN, JIAJUE, JONWAY, JMSTAR, KAITONG, KEEWAY,
LIFAN, LONGJIA, LONCIN, MEIDUO, QINGQI, RHON, SKYGO, WANGYE, YIBEN, ZNEN, ETC.
Related Scooters B08 / B09 / B10 / B12 / B20 / BEAUTY / DNB09 / F3 / FALCON E / FALCON I /
FALCON II / FALCON II B / FALCON III / FALCON IV / FALCON V / GALLOP L4 /
INTENTION / LANCY / NATTY A / NATTY B / NATTY C / PRINCE / PRINCESS / Q1 /
Q2 / SOLANA / T17 / T18 / T19 / TANCO / T-FALCON / TORNADO / TURTLE A / TURTLE B
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±150 2000±150 2000±150 2000±150
Crankcase has general crankcase and lengthening by 30mm and lengthening by 60mm crankcase. Magneto have octuple-poles AC, octuple-poles DC, octuple-poles complete DC. above the engines can pass EuII discharge standard.Non-secondary gas-filling engine can be produced upon request.