Compatible with OEM for Yamaha Cylinder 29U-11310-03-00, 3GH-11310-01-00, 4BD-11310-01-00 Compatible with OEM for Yamaha Piston 4BD-11631-00-Y0, 29U-11631-00-Y0 Compatible with OEM for Yamaha Base Gasket 5VC-11351-02-00, Base Gasket 5VC-11351-02-00 Compatible with 1992-2000 Yamaha Timberwolf 250, 1999-2004 Yamaha Bear Tracker 250 Complete Cylinder Head Assembly and Standard Sized Replacement Cylinder Kit, Cylinder Bore 92mm, Piston Bore 71mm; Cylinder Displacement 229.6cc / Compression 8.71 Included Items in This Bundle:

(QTY 1) NICHE 519-CCY2243L Engine Cylinder

Substitute For OEM Part Numbers(s): 4BD-11310-01-00, 4BD-11310-00-00, 3GH-11310-01-00, 3GH-11310-00-00, 29U-11310-03-00

(QTY 1) NICHE 2-DR7EA Spark Plug

Substitute For OEM Part Numbers(s): NGK-DR7EA-00-00, NGK-D7EA0-00-00, DR7-EA000-00-00, D7E-A0000-00-00, 94701-00345-00, 94700-00852-00

(QTY 1) NICHE 519-KCY2226H Cylinder Head & Valve

Substitute For OEM Part Numbers(s): 4BD-11102-00-00, 4BD-11101-03-00, 4BD-11101-02-00, 4BD-11101-01-00

(QTY 1) NICHE 519-KGS2243K Gasket Kit

Substitute For OEM Part Numbers(s): 5VC-11351-02-00, 5VC-11351-01-00, 5VC-11351-00-00, 5MP-11351-00-00, 5LB-11351-00-00, 5H0-11351-01-00, 59V-11181-00-00, 4CS-11351-00-00, 4BE-11351-00-00, 4BD-11351-00-00, 3GH-11181-00-00

(QTY 1) NICHE 519-KPS2242T Piston Kit

Substitute For OEM Part Numbers(s): 4BD-11638-00-00, 4BD-11636-00-00, 4BD-11631-00-Y0, 29U-11638-00-00, 29U-11636-00-00, 29U-11631-00-Y0

Fits The Following OEM Models:

Yamaha Bear Tracker 250 Hunter Edition: 2001-2002
Yamaha Bear Tracker 250: 1999-2004
Yamaha Timberwolf 250 2WD: 1992-1998
Yamaha Timberwolf 250 4X4: 1994-2000