Seller notes

New engine rebuild kit for Yamaha YZ 85, Each kit contains everything you need to complete your rebuild the right way, the first time-103.5cc Stroker crankshaft and connecting rod (fully assembled), Namura 47.44mm piston, crankshaft bearings, and a complete gasket kit made to meet or exceed OEM* All new assembly **CYLINDER HEAD CHAMBER MUST BE MACHINED 2mm DEEPER TO ACCOMMODATE THE LONGER STROKE** For questions please call customer service * Factory assembled and trued to within .001. * Ready fo...

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