The serial number tag is located within the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Positioned concerning the thumb screws above the steering tube. Thankfully, PartsVu provides a prosperity of resources to help you find the Mercury outboard parts you need to keep your engine running smoothly, https://emilianokqful.free-blogz.com/84109712/not-known-facts-about-yamaha-150-fuel-consumption