Manufactured by
Kit includes piston, rings, pin, clips, top end gasket kit (you get exactly what is pictured)
Cast piston has super-high silicone content for additional strength
Piston skirts are Molybdenum Teflon coated to minimize resistance/wear and provide extended life
Piston dome is anodized for superior heat resistance and longer lifespan
gaskets use performance materials to increase durability and provide greater reliability
Includes all gaskets pictured to rebuild top end
Kit is for .020 over bore size – 100.50mm
Piston is 100.47mm
9.2:1 STD Compression Ratio
Compatible with Yamaha models below:
2001 Raptor 660 (YFM660R)
2002 Raptor 660 (YFM660R)
2003 Raptor 660 (YFM660R)
2004 Raptor 660 (YFM660R)
2005 Raptor 660 (YFM660R)