The serial number tag is situated over the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, located concerning the thumb screws above the steering tube. Luckily for us, PartsVu includes a prosperity of resources to assist you find the Mercury outboard parts you need to keep your engine https://yamaha-outboard-motors-fo13466.newbigblog.com/43244046/top-boat-marine-temperature-switch-secrets