Wsm Top End Rebuild Kit For Yamaha Gp Xl Xlt 800 79.9 Mm Platinum Series

New Platinum Series are made of high strenght hardened aluminum designed to prevent Skirt and ring Groove breakage. The piston walls are treated with nonabrasive treating which reduces heat and friction for added horsepower and greatly extends piston life.  Made to Exact OEM specifications.

Size:   79.9 MM (Standard Bore)

Application Models:

•  YamahaGP 800 1998-2002
•  YamahaGP-R 800 2003-2005
•  YamahaXL 800 2000-2001
•  YamahaXLT 800 2002-2004