Create a motorcycle bill of sale form for Massachusetts to document your transaction and prove motorcycle ownership. Use our bicycle bill of sale form to document the details of a bicycle sale and prove transfer of ownership.General Bill of Sale – This form would usually be used to provide proof of sale and purchase between two private parties in the sale of personal items. A Motorcycle Bill of Sale is a legally binding document that facilitates the official transfer of motorcycle ownership from a seller to a buyer. Division of Law Enforcement. RECREATIONAL. Explore our Massachusetts bill of sale templates and learn how to create your legally binding document that protects your interests.