2007 YZ450F bottom end . Crank is bad i expect . Gears and transmission all worked fine ehen motor siezed. Clutch is gone. This listing is for a box of disassembled motorcycle engine parts, primarily consisting of the engine casing and various internal components. The parts show signs of previous use, including some dirt and wear. This lot is ideal for someone looking for spare parts, a repair project, or for a custom build. Please examine the photos carefully to see the exact items included and their condition.