YAMAHA YZ 450F WISECO ENGINE REBUILD KIT, CRANKSHAFT, PISTON, GASKETS 2003-2005

In stock
SKU: WPC139, 4785M09500, W6129
Regular price $629.00

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Manufacturer Part Number: WPC139, 4785M09500, W6129

Brand: Wiseco

Manufacturer Warranty: 90 Day

New engine rebuild kit for Yamaha YZ 450F, Each kit contains everything you need to complete your rebuild the right way, the first time- crankshaft and connecting rod (fully assembled), Piston, crankshaft bearings, and complete gasket & seal kit made to meet or exceed OEM
Please let us know what year bike you are working on
All new assembly

Oversize pistons are available for the same price, please email us if one is needed
* 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.