The serial number tag is situated on the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Situated concerning the thumb screws above the steering tube. This document contains many of Yamaha's worthwhile trademarks. It may also consist of trademarks belonging to other companies. Any references to other companies https://yamahaoutboardmotorsnearm22099.bloggazza.com/35432056/about-marine-boat-name-stickers