The serial number tag is found about the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Situated between the thumb screws above the steering tube. This doc contains many of Yamaha's worthwhile trademarks. It may also consist of trademarks belonging to other companies. Any references to other companies https://messiahyhsak.dbblog.net/10071494/the-smart-trick-of-yamaha-150-cc-scooty-that-no-one-is-discussing