Using the standard 17 digit VIN found on any vehicle manufactured or sold in the USA since 1981.CycleVIN provides a reliable and economical way to research the history of the motorcycles you are trying to buy or sell.Using the standard 17 digit VIN found on any vehicle manufactured or sold in the USA since 1981.CycleVIN provides a reliable and economical way to research the history of the motorcycles you are trying to buy or sell.