CK SERIES CLUTCH DISCS 2020-yamaha-yz65-esi1034431 More engine power

More engine power

Anodized finish

Plug-and-Play harness included

we are required to adhere to the strictest manufacturing standards

shaft and starter seals

CK SERIES CLUTCH DISCS 2020-yamaha-yz65-esi1034431 More engine powerEvery CK kit is matched and measured to give you a perfect stack height. Never try to fit individual plates is the EBC recommendation. Drive case OIL is extremely important and riders should never use ATF (Automatic transmission fluid) which has been tried in the past to reduce oil drag and gain half a horsepower. It does reduce drag and it does give you a tiny HP gain, but it ruins your clutch in minutes. Always use the bike manufacturers oil and