The serial number tag is located over the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Situated involving the thumb screws above the steering tube. OMC Model Number Location The model and serial numbers on the vertical drive must be Positioned within the engine model and serial number https://outboardmotorsyamahavssuz71088.luwebs.com/37695771/5-essential-elements-for-yamaha-250-outboard-lower-unit-oil-capacity