The serial number tag is found around the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Found in between the thumb screws above the steering tube. By moving into your email tackle you agree to obtain marketing messages from Yamaha Outboards. You may unsubscribe at any time. Finding https://yamaha-outboard-motors-hi88529.blogsumer.com/36009235/the-smart-trick-of-yamaha-150-cc-scooty-that-no-one-is-discussing