NICHE 348cc Engine Piston Cylinder Top End Kit for 1987-2011 Yamaha Big Bear Bruin Grizzly Raptor Warrior Wolverine
- Replaces OEM Part Numbers: Yamaha 1UY-11310-03-00, 4KB-11351-00-00,93450-19095-00, 4GB-11610-00-00,1YW-11631-01-Y0, 55V-11633-00-00,1UY-11181-01-00, 5YT-11310-00-00,4WU-11310-00-00.
- Compatible with the 1987-1999 Yamaha Big Bear 350, 1987-1988 Yamaha Big Wheel 350, 1987-1990, 1992-1995 Yamaha Moto-4 YFM350ER, 1987-2004 Yamaha Warrior 350, 1995-2009 Yamaha Wolverine 350, 2004-2006.
- Includes Cylinder, Piston, Piston Rings, Wristpin, Circlips and Head Gasket.
- Also Includes Base Gasket and NGK Spark Plug.
- Cylinder Bore and Stroke 83.00mm x 64.50mm.