Fits Honda CRF250R Dirt Bikes Years 2004 & 2005 ONLY. This Complete Rebuild Kit Includes. Athena 78mm Stock Bore Nikasil Cylinder. Larger Water Jackets For Better Cooling!
Athena Forged & Coated 12.9:1 Piston Kit (Includes, Piston, Pin, Rings & Clips) (Perfect For Pump Gas). Athena Complete Top End Gasket Set. Hotrods Complete Heavy Duty Crankshaft Assembly (Includes Heavy Duty Rod). It will work with your stock head and valves.