All new assembly sold complete with Hot Rods connecting rod. The Hot Rods complete crankshaft includes their famed connecting rod; durability at a level OEM rods can only dream of. Factory assembled and trued to O.E.M. specifications Hot Rods cranks will meet or surpass the OEM in performance. Hot Rods makes installing the complete crankshaft simple and easy. Crankshaft is completely rebuildable with genuine Hot Rods connecting rods. Note: Crank bearings and seals sold separately. Fits: Yamaha WR250F 2003-2004 2006-2007 2009 2011-2012