FITS ALL 2003 TO 2013 YZ250F MODELS! 80mm 13:1 JE CP or Wiseco forged piston.
Hi temp rings, DLC coated pin, clips. Complete gasket kit - head, base, exhaust, crankcase side covers. Water pump bearing and seal. Tuning and break in help sheet. Photo for example purposes only.
This is a bolt on kit with no machining required, and the piston uses pump or race gas. We recommend that this be installed by a qualified mechanic with experience doing this type of work. The item "YZ250F YZF250 YZ 250F Big Bore Kit Stroker 300 Hotrods JE Complete Motor Rebuild" is in sale since Friday, April 14, 2017.This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Big Bore & Top End Kits". The seller is "bpracingatv" and is located in Upland, California. This item can be shipped worldwide.