The serial number tag is located on the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Situated in between the thumb screws above the steering tube. By entering your email deal with you conform to obtain marketing messages from Yamaha Outboards. You could unsubscribe at any time. It’s https://yamahaoutboardmotorssouth86307.mdkblog.com/42839201/5-essential-elements-for-yamaha-outboards-for-sale-usa