Description:

Replaces OEM for Yamaha Cylinder 29U-11310-03-00, 3GH-11310-01-00, 4BD-11310-01-00. Replaces OEM for Yamaha Piston 4BD-11631-00-Y0, 29U-11631-00-Y0. Replaces OEM for Yamaha Base Gasket 5VC-11351-02-00, Base Gasket 5VC-11351-02-00. Compatible with the 1983-1986 Yamaha Tri-Moto 225 YTM225, 1986-1988 Yamaha Moto-4 225 YFM225, 1989-1991 Yamaha Moto-4 250 YFM250, 1992-2000 Yamaha Timberwolf 250, 1999-2004 Yamaha Bear Tracker 250. Cylinder Bore: 92mm, Piston Bore: 71mm; Includes Cylinder, Piston, Piston Rings, Wristpin, Circlips (2), Base Gasket, Head Gasket and NGK Spark Plug.