Kit bottom end YAMAHA YZ250F 03-13 increased 264cc

Crankshaft kit
You can choose from the durable OE Hot Rods replacement drive shafts or the robust Stroker Hot Rods drive shafts
The kit is equipped with everything needed to complete the installation of crankshafts, including the main bearings and the Hot Rods oil seal kit, with the addition of a complete engine gasket set that includes all gaskets and oil seals for a complete repair of the engine
The complete "Stroker-increased" version crankshafts add from 1.5 mm to 5 mm of stroke, depending on the application; in some cases, the cylinder head must be modified (if indicated)