Manufactured by Namura Kit includes piston, rings, pin, clips you get exactly what is pictured Cast piston has super-high silicone content for additional strength Piston skirts are Molybdenium Teflon coated to minimize resistance/wear and provide extended life Piston dome is anodized for superior heat resistance and longer lifespan Kit is for .020 over bore size 49.50mm Piston is 49.47mm Made in Taiwan Fits 1991 Yamaha Breeze 125 YFA1 1992 Yamaha Breeze 125 YFA1 1993 Yamaha Breeze 125 YFA1 1994 Yamaha Breeze 125 YFA1 1995 Yamaha Breeze 125 YFA1 1996 Yamaha Breeze 125 YFA1 1997 Yamaha Breeze 125 YFA1 1998 Yamaha Breeze 125 YFA1 1999 Yamaha Breeze 125 YFA1 2000 Yamaha Breeze 125 YFA1 2001 Yamaha Breeze 125 YFA1 2002 Yamaha Breeze 125 YFA1 2003 Yamaha Breeze 125 YFA1 2004 Yamaha Breeze 125 YFA1 2004 Yamaha Grizzly 125 YFM125 2005 Yamaha Grizzly 125 YFM125 2006 Yamaha Grizzly 125 YFM125 2007 Yamaha Grizzly 125 YFM125 2008 Yamaha Grizzly 125 YFM125 2009 Yamaha Grizzly 125 YFM125 2010 Yamaha Grizzly 125 YFM125 2011 Yamaha Grizzly 125 YFM125 2012 Yamaha Grizzly 125 YFM125 2013 Yamaha Grizzly 125 YFM125