The serial number tag is situated around the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Situated involving the thumb screws above the steering tube. By coming into your email deal with you agree to get marketing messages from Yamaha Outboards. Chances are you'll unsubscribe at any time. https://yamaha-outboard-motors-so62644.bloggactivo.com/36081974/how-much-you-need-to-expect-you-ll-pay-for-a-good-fun-boats-marine-center