Hotrod's Inc Hotrods Yamaha Yz 250F Bottom End Kit CBK0206

Hot Rods Bottom End kits include everything needed to complete crankshaft installation:

Stroker kit crankshafts increase length of stroke as listed depending on application; in some cases cylinder head must be modified, as noted.

Hot Rods main bearings and seals kit (Main seals included when applicable)

Complete engine gasket set includes all gaskets and seals for complete engine rebuild (Does not include water pump seal)