Application list:

GasGas: Randonné 125cc 4-Strokes

Scorpa: TY / TY-S 125cc 4-Strokes

Yamaha: YBR / YR / XTX / XTR /TTR 125cc 4-Strokes

MotorHispania: MH7 Naked AC 125cc 4-Strokes

Jianshe china engine: 125cc 4-Strokes

Technical Info:

Complete set to transform YBR engine 125cc in to 180cc. Increase of power is guaranteed.

To assembly this kit you need to increase crankcase bore. Drawing and sizes to adapt the crankcase is supplied with the cylinder kit.

However is recommended be assembled by a professional mechanic in order to prepare the crankcase and assemble the cylinder head and rest of components.