http://www.nj.gov/mvc/Vehicle/PrivateUtilities.htm
you just need this..copy and paste this into a word doc.
BILL OF SALE
*Notary Required*
I/we_________________________________transfer
ownership of _______________________________
(Trailer) (Year) (Make) (VIN #)
ownership of _______________________________
(Boat) (Year) (Make) (Hull #)
Non-Titled Trailer and Boat to __________________
For the sum of $____________ and $ ___________
Trailer–Number of Axles: _____ Registered Weight: ______
(Signature of Seller, Witnessed by Notary)
Duly sworn and signed before me this ___ day of ____, 2016
(Signature of Notary)