The serial number tag is situated about the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, located between the thumb screws above the steering tube. By moving into your email deal with you agree to receive marketing messages from Yamaha Outboards. Chances are you'll unsubscribe at any time. https://ricardopfral.estate-blog.com/35914270/not-known-details-about-marine-speed-boats