The serial number tag is located around the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, located involving the thumb screws above the steering tube. By getting into your email deal with you agree to obtain marketing messages from Yamaha Outboards. You could possibly unsubscribe at any time. https://simonubeaq.blogsidea.com/43401764/a-simple-key-for-outboard-motors-for-sale-california-unveiled