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Hoca GY6 Roller Weights
Our Price: $8.99

Hoca Roller Weights for 150cc and 125cc GY6 4-stroke QMI152/157 QMJ152/157 engines.

We recommend starting performance upgrades by changing the variator roller weights first.


Heavier roller weights= A slower take off speed with more acceleration and a higher top speed.

Lighter roller weights = A faster take off speed with less acceleration and lower top speed.

Please see our
Warranty & Returns Policy.
Hoca QMB139 Roller Weights
Our Price: $8.99

Hoca Roller Weights for 50cc 4-stroke QMB139 engines. The QMB139 is the most popular 50cc 4-stroke engine found on Chinese scooters.

We recommend starting performance upgrades by changing the variator roller weights first.

Heavier roller weights= A slower take off speed with more acceleration and a higher top speed.

Lighter roller weights = A faster take off speed with less acceleration and lower top speed.

Please see our
Warranty & Returns Policy.
Hoca Jog Clutch Springs
Our Price: $9.99

Hoca Clutch Spring Set for 50cc and 90cc 2-stroke Minarelli 1PE40QMB and 1E50QMF Yamaha Jog Engines. Choose from 1000, 1500 or 2000 RPM sizes.

Please see our
Warranty & Returns Policy.
Hoca GY6 61mm Cylinder Gasket Set
Our Price: $10.99

Hoca Cylinder Head and Cylinder Base Gasket Set for the 61mm Big Bore Cylinder Kit.
Hoca 70cc 2-stroke Cylinder Gasket Set
Our Price: $12.99

Hoca 70cc 2-stroke Cylinder Gasket Set. Includes head gasket, base gasket and exhaust gasket.
1000RPM GY6 Clutch Spring Set
Our Price: $12.99

After-Market Performance 1000RPM Clutch Spring Set for 150cc and 125cc GY6 4-stroke engines.

Please see our
Warranty & Returns Policy.
1500 RPM Clutch Springs
Our Price: $12.99

150cc and 125cc GY6 1500 RPM Performance clutch springs.

Please see our
Warranty & Returns Policy.
2000 RPM Clutch Springs
Our Price: $12.99

2000 RPM performance clutch springs for 150cc and 125cc GY6 4-stroke engines.

Please see our
Warranty & Returns Policy.
NCY 1PE40QMB Roller Weights
Our Price: $14.99

NCY brand 15x12 Performance Roller Weights.

Minarelli, 50cc 2-stroke 1PE40QMB Performance Roller Weights.

We recommend starting performance upgrades by changing the variator roller weights before engaging in any performance upgrades.


Heavier roller weights= A slower take off speed with more acceleration and a higher top speed.
Lighter roller weights = A faster take off speed with less acceleration and lower top speed.

Please see our
Warranty & Returns Policy.
Hoca Minarelli Turbo Fan
Our Price: $14.99

Hoca Performance High-Speed Turbo Fan for 1E40QMB Minarelli 2-stroke 50cc engines.

Note: Made popular by many European, American, Chinese, Japanese, Korean and Taiwanese brands, the engine this Turbo Fan is used on is a replica of the Italian designed Minarelli 50cc 2-stroke air-cooled motor. It is found under model numbers such as 1PE40QMB, 1E40QMB, E40QMB and is one of the most widely used 50cc 2-stroke motors in the world.

Please see our
Warranty & Returns Policy.