Performance Parts
Performance Parts make your engine more powerful, once you replace with these items
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.
JOG 70cc Cylinder Block (47mm)
MIJOG70-4004
Scooters with 50cc 2-stroke cylinders(1E40QMB) are becoming more and more common on the roads. Unfortunately, they have poor performance, so it's not..
US $10.29
JOG 70cc Piston Assy (47mm)
MIJOG70-4005
An affordable 70cc replacement piston in standard quality for 2 stroke Chinese cylinders with 47mm bore. The JOG replacement piston comes with piston..
US $4.14
GY6 100cc Cylinder Assy (50mm)
MIGY90-4003
100cc(GY6 Big Bore) high performance cylinder kit for 50cc GY6 139QMB scooter engines. This scooter upgrade kit is a high quality kit that is perf..
US $15.80
GY6 100cc Cylinder block(50mm)
MIGY90-4004
Scooters with 50cc 4-stroke cylinders are becoming more and more common on the roads. Unfortunately, they have poor performance, so it's not a bad ide..
US $12.54
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..
US $13.46
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 pist..
US $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..
US $2.18
GY6 125cc 150cc Variator Roller for Racing(18x14)
MIGY125-R3031
These are a high performance, fine quality copper-core rollers designed to give top performance without destroying your variator like the steel-core m..
US $2.50
GY6 50cc Variator Roller for Racing(16x13)
MIGY50-R4031
These are a high performance, fine quality copper-core rollers designed to give top performance without destroying your variator like the steel-core m..
US $2.44
GY6 50cc Variator Roller for Racing(16x13)
MIGY50-D4031
These are polygon performance variator sliders to upgrade your older style rollers. These sliders equalize the load pressure to reduce sticking and br..
US $2.60
GY6 125cc 150cc Performance Cushion Rubber
MIGY125-R3033D
These are the variator glide key guides, or Slide for the Chinese GY6 4 Stroke, 1P52QMI, 1P50QMG, 1P57QMJ, 125cc or 150cc variator.Variator guides (o..
US $0.50
GY6 125cc 150cc Racing Variator Set
MIGY125-R3033A
This is a High Quality High Performance variator for the GY6 125cc and 150cc. This Variator kit also includes a set of Performance Roller/Sliders to..
US $10.50
GY6 50cc Performance Cushion Rubber
MIGY50-R4033D
These are the variator glide key guides, or Slide for the Chinese GY6, 4T, 139QMB, 50cc variator.Variator guides (or 'sliders') are the spacers betw..
US $0.50
GY6 50cc Racing Variator Set
MIGY50-R4033A
This is a High Quality High Performance variator for the GY6 50 and Honda Dio engine. This Variator kit also includes a set of Performance Roller/Sl..
US $9.94
GY6 125cc 150cc Performance Clutch Spring Sets
MIGY125-R3037B-A
Get better acceleration on your GY6 by upgrading your clutch springs! Clutch springs help determine the RPM that the clutch will engage at.One of th..
US $3.30