The serial number tag is found on the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, located amongst the thumb screws above the steering tube. OMC Model Number Location The model and serial numbers with the vertical drive should be Positioned around the engine model and serial number https://yamaha-outboard-motors-go94703.get-blogging.com/37434896/the-2-minute-rule-for-yamaha-250-vmax-sho-outboard-for-sale