The serial number tag is found on the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Found amongst the thumb screws above the steering tube. This document includes many of Yamaha's beneficial trademarks. It can also consist of trademarks belonging to other companies. Any references to other companies https://yamaha-outboard-motors-pr38380.oblogation.com/35937104/5-essential-elements-for-yamaha-outboards-for-sale-usa