This engine kit is developed in cooperation with the Yamaha Factory Racing. It is a result of their top-level knowledge combined with their GP racing experience. The target of this kit is to improve the performance of the production YZ125. Attention has been paid to reach a high performance level without forgetting the engine durability on heavy racetrack conditions.
Kit Contents:
- Ported cylinder
- Cylinder Head
- Cylinder head insert
- Piston kit (includes ring,pin and clips)
- VFORCE 3 reed valve intake system
- CDI unit
- GYTR exhaust chamber
- GYTR Silencer
- Heavy flywheel
- Carburetor setting kit
- GYTR Exhaust power valve
- Clutch preload washers
- GYTR carbon fibre ignition cover
- Kit manual
