The serial number tag is found within the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Found in between the thumb screws above the steering tube. OMC Model Number Location The model and serial numbers on the vertical drive needs to be Found about the engine model and https://travisacvow.kylieblog.com/37538253/the-2-minute-rule-for-yamaha-250-vmax-sho-outboard-for-sale