The serial number tag is found over the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, located amongst the thumb screws above the steering tube. By getting into your email deal with you comply with receive marketing messages from Yamaha Outboards. You could possibly unsubscribe at any time. https://yamahaoutboardmotorsforsa35543.dailyblogzz.com/37479260/5-essential-elements-for-yamaha-outboards-for-sale-usa