Clearly print or type all information, except signatures. What is a motorcycle bill of sale?This form serves as a legal record of the sale, gift, or transaction of a motorcycle. How to submit this form: Submit this form along with required documents and applicable tax to the county tag office in the county where the primary purchaser. Determine the fees you will need to pay to register a vehicle or transfer a registration from one vehicle to another in New York. After sale of the vehicle, the law requires that the plaintiff file a Disposition of the proceeds and a copy of the bill of sale.