The serial number tag is found over the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Situated among the thumb screws above the steering tube. OMC Model Number Location The model and serial numbers from the vertical drive should be located over the engine model and serial number https://yamaha-outboard-motors-ne18405.bloggin-ads.com/59951995/the-smart-trick-of-yamaha-150-cc-scooty-that-no-one-is-discussing