Top End Kit 99.95/Std 9.1:1 Yam

Features:

• New T-box forgings and DLC coated wrist pins on forged pistons with highest compression ratios for increased strength and performance.


• All piston skirts are coated with a high-tech Molybdenum Disulfide coating for faster break-in time and increased piston life


• Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.


• Forged pistons are forged from 2618 aluminum for superior strength and durability.


• Forged High Compression pistons improve power and torque across entire rpm range.


• Forged Replica pistons are forged OE replacements


• All pistons are heat treated with a T-5 hardening and tempering cycle.


• Replica KTM 2-stroke pistons are factory supplied to KTM


• All rings are OEM replacements.


• Top end piston kit includes piston, rings, pins, circlips, top end gaskets, and wrist pin bearing or cam chain where applicable.

Fitment:
Yamaha YFM660R Raptor 2001
Yamaha YFM660R Raptor 2002
Yamaha YFM660R Raptor 2003
Yamaha YFM660R Raptor 2004
Yamaha YFM660R Raptor 2005