Crankshaft Assembly for ATV UTV 800 U8 X8 Z8 0800-041000-0001 0800-041000-0002 0800-041000-2001 mark A mark B QUAD GO KART This crankshaft assembly is designed for use in select ATV and UTV models including U8, X8, and Z8 with engine size 800cc.It corresponds to part numbers 0800-041000-0001, 0800-041000-0002, and 0800-041000-2001.The assembly is available in mark A and mark B configurations.It fits certain go kart and quad applications requiring a crankshaft unit.This component is engineered for direct replacement in compatible machines. Compatibility Disclaimer: This is not an OEM item.Mentioned brands/models are used strictly for fitment illustration.