For more than thirty years, Yamaha Outboards have delivered much more than superior power, performance and efficiency. Yamaha owners get a thing that can’t be measured in HP or RPM—legendary Yamaha reliability. The serial number tag is situated about the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, https://emilianopvych.blogofoto.com/67430820/2006-honda-90-four-stroke-outboard-options