For more than 30 years, Yamaha Outboards have delivered far 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 found within the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, https://yamaha-outboard-motors62689.blogrenanda.com/42715048/facts-about-fish-and-hook-charters-revealed