New Wiseco engine rebuild kit for Yamaha YZ 125
Crankshaft and connecting rod
Standard bore 54mm piston
Crankshaft bearings, and
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.
* Factory assembled and trued to within .001.
* Ready for installation.
* Crankshafts are completely rebuildable.
* Top end bearings included.