The serial number tag is situated within the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Found between the thumb screws above the steering tube. This doc is made up of many of Yamaha's valuable trademarks. It may additionally contain trademarks belonging to other companies. Any references to https://yamaha-outboard-motors-fo00740.ampblogs.com/top-latest-five-yamaha-150-balancer-issues-urban-news-73594199