The serial number tag is located about the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, located between the thumb screws above the steering tube. OMC Model Number Location The model and serial numbers from the vertical drive must be located within the engine model and serial number https://yamaha-outboard-motors-fo83614.kylieblog.com/37518874/detailed-notes-on-bf75-honda-outboard