The serial number tag is situated over the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Found in between the thumb screws above the steering tube. By getting into your email tackle you comply with get marketing messages from Yamaha Outboards. You might unsubscribe at any time. At https://yamahaoutboardmotorssouth21727.sharebyblog.com/36674543/how-much-you-need-to-expect-you-ll-pay-for-a-good-ingman-marine-used-boats