Wiseco CPK043 Clutch Pack Kit for Yamaha YZ85

The Wiseco CPK043 Clutch Pack Kit is a complete clutch replacement solution engineered to OEM tolerances for the Yamaha YZ85. Designed as a direct drop-in upgrade over worn stock components, this kit delivers reliable clutch engagement and consistent performance whether on the track or trail.

What's Included:

• Friction plates — manufactured to exact OEM tolerances and specifications
• Steel/alloy plates — engineered to match OEM feel and wear resistance
• Clutch springs — 8–10% stiffer than stock for positive, confident clutch lockup

Key Features:

• Complete kit includes all necessary clutch pack components in one box
• Friction and steel plates built to precise OEM dimensions for a direct fit
• Upgraded springs reduce clutch slip and improve power transfer under hard riding conditions
• Premium-grade materials for long service life and consistent feel
• Proven at every level of dirt bike competition

Wiseco has been a trusted name in powersports performance for decades, and their clutch components are no exception. The CPK043 makes clutch pack replacement straightforward — no mix-and-match sourcing required.