Top End Rebuild Kit (B) Yamaha YZ125 '98-'00 (Bearing Not Included) S3-Cat-ATV-Hardparts-TyresandTubes-ARTRAX 5mm depth - Not including

5mm depth - Not including drive connection

Rubber cushioned front sprocket provides quieter operation and reduced mechanical vibration

Modern carcass design provides a smooth ride by absorbing minor road imperfections

Precision-engineered internals provide optimized backpressure and enhanced throttle response

Top End Rebuild Kit (B) Yamaha YZ125 '98-'00 (Bearing Not Included) S3-Cat-ATV-Hardparts-TyresandTubes-ARTRAX 5mm depth - Not includingIncludes components necessary to complete a piston (top end) rebuild. Competitive pricing, made to meet and exceed OEM quality and designed as a direct OEM replacement. Features: Designed for OEM replacement. Made from high quality materials. Meet or exceed OEM specifications. Competitive pricing.