A Pennsylvania vehicle bill of sale is a legal document formalizing the sale and purchase of a motor vehicle between a buyer and seller. How to fill out the Pennsylvania Motor Vehicle Bill of Sale Form?The Pennsylvania bill of sale form acknowledges the transfer of possession of a piece of personal property for an agreedupon sum of money. Dated this ______ day of. ,. This transaction is made in the County of. ,. State of Pennsylvania, on. Below are the steps to properly fill out a Pennsylvania Motorcycle Bill of Sale. If an offer is made, the parties can negotiate the sale price and other terms before completing a bill of sale. Step 6 – Complete the Paperwork. It serves as a vital document in the sale of a motorcycle, documenting crucial details such as the sale price and the condition of the bike.