The serial number tag is located over the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Situated among the thumb screws above the steering tube. This doc is made up of many of Yamaha's beneficial trademarks. It might also comprise trademarks belonging to other companies. Any references to https://yamahaoutboardmotorsgoldc70470.blogrelation.com/42809638/not-known-details-about-40-hp-outboard-motor-comparison