The serial number tag is located within the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Situated amongst the thumb screws above the steering tube. This doc incorporates many of Yamaha's important trademarks. It could also include trademarks belonging to other companies. Any references to other companies or https://ebay-outboard-motors-yama59134.answerblogs.com/37165605/new-step-by-step-map-for-yamaha-30-hp-jet-outboard