186-40154 Top End Repair Kit for Small Engines - High Performance Piston Rings & Gaskets Replacement Parts | Ideal for Lawn Mowers, Generators & Power Equipment Maintenance

Product Description

Manufactured by Namura 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 Molybdenium Teflon coated to minimize resistance/wear and provide extended life Piston dome is anodized for superior heat resistance and longer lifespan (Dome is not machine smoothed on this piston) Namura gaskets use performance materials to increase durability and provide greater reliability Includes all gaskets pictured to rebuild top end Kit is for .040 over bore size - 72.00mm Piston is 71.95mm Made in Taiwan Fits: 1992 Yamaha Timberwolf 250 2x4 (YFB250) 1993 Yamaha Timberwolf 250 2x4 (YFB250) 1994 Yamaha Timberwolf 250 2x4 (YFB250) 1994 Yamaha Timberwolf 250 4x4 (YFB250FW) 1995 Yamaha Timberwolf 250 2x4 (YFB250) 1995 Yamaha Timberwolf 250 4x4 (YFB250FW) 1996 Yamaha Timberwolf 250 2x4 (YFB250) 1996 Yamaha Timberwolf 250 4x4 (YFB250FW) 1997 Yamaha Timberwolf 250 2x4 (YFB250) 1997 Yamaha Timberwolf 250 4x4 (YFB250FW) 1998 Yamaha Timberwolf 250 2x4 (YFB250) 1998 Yamaha Timberwolf 250 4x4 (YFB250FW) 1999 Yamaha Bear Tracker 250 2x4 (YFM250X) 1999 Yamaha Timberwolf 250 4x4 (YFB250FW) 2000 Yamaha Bear Tracker 250 2x4 (YFM250X) 2000 Yamaha Timberwolf 250 4x4 (YFB250FW) 2001 Yamaha Bear Tracker 250 2x4 (YFM250X) 2002 Yamaha Bear Tracker 250 2x4 (YFM250X) 2003 Yamaha Bear Tracker 250 2x4 (YFM250X) 2004 Yamaha Bear Tracker 250 2x4 (YFM250X) 2005 Yamaha Bruin 250 2x4 (YFM250B) 2006 Yamaha Bruin 250 2x4 (YFM250B) 2007 Yamaha Big Bear 250 2x4 (YFM250B) 2008 Yamaha Big Bear 250 2x4 (YFM250B) 2009 Yamaha Big Bear 250 2x4 (YFM250B)