The serial number tag is located within the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Positioned between the thumb screws above the steering tube. By moving into your email deal with you comply with acquire marketing messages from Yamaha Outboards. Chances are you'll unsubscribe at any time. https://yamaha-outboard-motors-au06160.getblogs.net/69357768/the-basic-principles-of-marine-outboards-for-sale