The serial number tag is situated on the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Situated concerning the thumb screws above the steering tube. OMC Model Number Location The model and serial numbers in the vertical drive must be Positioned on the engine model and serial number https://yamaha-outboard-motors-ya85283.aioblogs.com/89621913/the-basic-principles-of-marine-outboards-for-sale