Wsm Piston Kit - 101.00 Mm - Yamaha 50-544-07K

• Quality and construction that meets or exceeds OEM
• Feature improved E-clip design
• Contain piston, rings, pin and clips
• Additional rings available separately
• Order one per cylinder
• Skirts have a nonabrasive, expansion-retarding MOS2 coating to reduce heat and friction for added power and longevity
• MOS2 coating actually draws heat through piston walls and out the bottom
• Specially hardened tops add strength to ring grooves

Yamaha -- YXR 660F Rhino 4x4 -- (2001, 2006, 2005, 2003, 2002, 2004); Yamaha -- YFM 660 F Grizzly 4x4 -- (2003, 2004, 2002); Yamaha -- YFM 660 FA Grizzly 4x4 -- (2006, 2005); Yamaha -- Raptor 660R LE 4x2 -- (2004); Yamaha -- Raptor 660R SE 4x2 -- (2005, 2002, 2004, 2001, 2003); Yamaha -- Grizzly 660 Ducks Unlimited Ed. 4x4 -- (2006); Yamaha -- Grizzly 660 Outdoorsman Ed. 4x4 -- (2006); Yamaha -- Grizzly 660 SE 4x4 -- (2006); Yamaha -- Grizzly 660 Hunter Ed. 4x4 -- (2006); Yamaha -- Raptor 660R 4x2 -- (2003, 2004, 2005, 2002, 2001)