GY6 50cc 1P39QMB

GY6 50cc 1P39QMB

The Most popularly Engine for Scooter and ATV, Upgrades for 60cc, 80cc, below parts fit the 4 stroke engines of GY6-1P39QMB, GY6-1P44QMC, GY6-1P47QMD, GY6-1P50QMG, etc

4 Stroke Engine 1P39QMB Service Manual

Mortch Motor parts supported the Brands of BAOTIAN, BASHAN, BENZHOU, CFMOTOR, CHARMING, DAYANG, DINLI, FUXIN, GEELY, GILERA, HANGLONG, HAOJIN, HAOJUE, HONGZHOU, HUATIAN, JIAJUE, JIANSHE, JINLUN, JMSTAR, JONWAY, KAITONG, KEEWAY, KINROAD, KYMCO, LIFAN, LINGBEN, LINGTIAN, LINHAI, LINTEX, LONCIN, LONGJIA, MAWI, MEIDUO, MOTORRO, PIAGGIO, QINGQI, RHON, RIEJU, SACHS, SHINERAY, SKYGO, SUKIDA, TAOTAO, VESPA, VONROAD, WANGYE, WONJAN, XINGYUE, XINLING, XINTIAN, YIBEN, YINGANG, ZHONGYU, ZNEN, ZONGSHEN, etc.


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GY6 100cc Cylinder Head (50mm) Non-EGR
MIGY90-4002A

There are 2 Cylinder Head versions being factory installed in GY6 scooter engines. They differ only in the valve length. The old version ships in alm..

$13.46

GY6 100cc Piston (50mm)
MIGY90-4007

An affordable 100cc replacement piston in standard quality for 4 stroke Chinese cylinders with 50mm bore. The GY6 replacement piston comes with pis..

$2.17

GY6 100cc Piston Assy (50mm)
MIGY90-4005

An affordable 100cc replacement piston in standard quality for 4 stroke Chinese cylinders with 50mm bore. The GY6 replacement piston comes with pis..

$4.13

GY6 100cc Piston Ring (50mm)
MIGY90-4006

An affordable 100cc replacement piston ring in standard quality for 4 stroke Chinese cylinders with 50mm bore. The GY6 replacement piston ring comes..

$2.18

GY6 50cc Crankcase LH (40cm/43cm)
MIGY50-4008

An excellent inexpensive replacement Crankcase LH, Available in 40cm(10" rim), 43cm(12" rim). ..

$23.38

GY6 50cc Crankcase RH
MIGY50-4009

An excellent inexpensive replacement Crankcase RH. ..

$15.00

GY6 50cc Cover, Gear Case
MIGY50-4010

An excellent inexpensive replacement gear case cover. ..

$8.25

GY6 50cc Cover of Crankcase RH
MIGY50-4011

This is the engine casing that has the oil filler hole as part of the casing itself. Fits pretty well all 50cc four stroke scooter models...

$6.60

GY6 50cc Left Side Cover 40cm/43cm
MIGY50-4012

This is the complete belt cover for the GY6 50cc 139QMB scooter. This cover comes in black only and is generally easy to install. Available in 40cm(..

$9.75 $11.37

GY6 50cc Left Side Cover 46cm
MIGY50-4012-46

This is the complete belt cover for the GY6 50cc 139QMB scooter. This cover comes in black only and is generally easy to install. Available in 40cm..

$15.40

GY6 50cc Crankshaft Assy 16T/22T
MIGY50-4013

A replacement crankshaft in standard OEM quality for 50cc / 90cc 4-stroke engines. There are 2 crankshaft versions being factory installed in GY6 sco..

$17.50 $21.30

GY6 50cc Starter Motor Assy
MIGY50-4014

12 volt electric starter motor for 50cc GY6 4 stroke scooter engines. An excellent replacement for the scooter's original Starter Motor Assy. ..

$7.70

GY6 50cc Electric Starter End Bushing
MIGY50-4015Z

This electric start end bushing/bearing is for the GY6, 4T, 139QMB, 50cc engine. A set of 2 pcs.This bushing located in the belt case supports the sta..

$0.39

GY6 50cc Starter Clutch
MIGY50-4015

An excellent replacement for the scooter's original starter clutch. Center Shaft Diameter: 8 mm (5/16") Starter Gear Diameter: 40 mm ..

$4.68

GY6 50cc Camshaft assy
MIGY50-4016

One of the cheapest ways to get real performance tuning. Working closely together with various 4-stroke scooter manufacturers, we have managed to in..

$6.05

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