The serial number tag is situated to the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Found amongst the thumb screws above the steering tube. This document is made up of many of Yamaha's worthwhile trademarks. It can also contain trademarks belonging to other companies. Any references to https://outboard-yamaha-motors-fo75699.answerblogs.com/37172038/5-essential-elements-for-outboard-90-hp-for-sale