The serial number tag is found over the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Found among the thumb screws above the steering tube. OMC Model Number Location The model and serial numbers on the vertical drive ought to be Positioned over the engine model and serial https://yamahaoutboardmotorsparts18158.blogolize.com/new-step-by-step-map-for-yamaha-30-hp-jet-outboard-75870606