The serial number tag is located on the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Situated amongst the thumb screws above the steering tube. This document has many of Yamaha's important trademarks. It may also have trademarks belonging to other companies. Any references to other companies or https://yamaha-outboard-motors-au83714.bloggadores.com/35963024/the-basic-principles-of-average-life-of-yamaha-150-outboard