Wiseco 18-19 Yamaha YZ450 Crankshaft Assembly

If you're rebuilding the engine on your 2018 or 2019 Yamaha YZ450F and need a solid crankshaft assembly, Wiseco has you covered. This is the same crankshaft that comes in their complete bottom-end rebuild kits, but it's packaged individually so you can get just the part you need. It's a well-built option that won't break the bank, offering a reliable complement to your project.

Wiseco puts a lot of care into their connecting rod process. They use copper plating and heat-treating to make the material properties better for the bearings, which helps them last longer. The surface treatment on the connecting rod also smooths things out, reducing stress points and helping it handle more load. The crank webs are precision machined and tested to be strong, and they hold critical dimensions to very strict tolerances, so it fits right and works as expected. It comes ready to install, tested and inspected to ensure it's ready for reliable service.

This assembly includes an OEM quality big end bearing, and the timing keyway is inspected for accuracy. It's a solid option for getting your YZ450F back to running strong.