Description:

Replaces Cylinder OEM for Yamaha 29U-11310-03-00, 3GH-11310-01-00, 4BD-11310-01-00; Piston for Yamaha 4BD-11631-00-Y0, 29U-11631-00-Y0. Replaces Base Gasket OEM for 5VC-11351-02-00. Compatible with Yamaha Bear Tracker 250 YFM250B: 1999-2002, Bear Tracker 250 YFM250X: 1999-2004, Bear Tracker 250 YFM250XH Hunter Edition: 2001-2002, Moto 4 YFM225: 1986-1988, Moto 4 YFM250:. Includes Cylinder, Namura Piston, Gasket, and NGK Spark Plug. Cylinder Bore: 92mm.