The serial number tag is situated within the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, located in between the thumb screws above the steering tube. This doc contains many of Yamaha's worthwhile trademarks. It may also have trademarks belonging to other companies. Any references to other companies https://knoxthpva.blogaritma.com/35041874/not-known-details-about-40-hp-outboard-motor-comparison