The serial number tag is located around the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Positioned amongst the thumb screws above the steering tube. By moving into your email deal with you agree to receive marketing messages from Yamaha Outboards. You could possibly unsubscribe at any time. https://beckettlmljf.blogitright.com/37102787/not-known-facts-about-yamaha-150-fuel-consumption