New engine rebuild kit for YAMAHA YZ 250
Crankshaft and connecting rod
Namura Cast Piston 66.35mm
Crankshaft
bearings
Complete gasket & seal kit made to meet or exceed OEM*
All new assembly.
If an oversize piston is needed please send a note with purchase
* Crankshafts are sold complete with Wiseco connecting rods and inner crankshaft webs.
* Factory assembled and trued to within .001.
* Ready for installation.
* Crankshafts are completely rebuildable.
* Top end bearings included.
All new assembly.
If an oversize piston is needed please send a note with purchase
* Crankshafts are sold complete with Wiseco connecting rods and inner crankshaft webs.
* Factory assembled and trued to within .001.
* Ready for installation.
* Crankshafts are completely rebuildable.
* Top end bearings included.