The serial number tag is found around the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Positioned concerning the thumb screws above the steering tube. This doc contains many of Yamaha's precious trademarks. It could also have trademarks belonging to other companies. Any references to other companies or https://yamahaoutboardmotorsparts82581.bloggactif.com/38310145/the-definitive-guide-to-anchor-light-marine-boat