The serial number tag is situated around the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Found concerning the thumb screws above the steering tube. By getting into your email tackle you conform to receive marketing messages from Yamaha Outboards. You could unsubscribe at any time. At PartsVu, https://simonorjvx.izrablog.com/37369090/the-outboard-motor-size-for-boat-diaries