Suzuki Model Number Location The model (and serial) number tag is found on the highest outside edge of the CLAMP BRACKET. In case your engine is newer than 2011 you will use the engine serial number as opposed to the model number. This doc has many of Yamaha's valuable trademarks. https://yamaha-outboard-motors-fo00740.ampblogs.com/top-latest-five-yamaha-150-balancer-issues-urban-news-73594199