Hot Rods Crankshaft Assembly for Yamaha YFZ450 2006-2007 Models - High Performance Engine Replacement Part | Perfect for ATV Racing & Off-Road Adventures

All new assembly sold complete with Hot Rods connecting rod. Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance. Ready for installation. Crankshaft is completely rebuildable with genuine Hot Rods connecting rods. Uses stock piston.. When using Cylinder Works #21001-K01 makes 478cc.. Does not fit fuel injected R or X models. This item fits the following vehicle applications: compatible with Yamaha YFZ450 2012-2013 compatible with Yamaha YFZ450 2004-2009 compatible with Yamaha YFZ450 Bill Balance Edition 2006-2007 compatible with Yamaha YFZ450 SE 2007-2008