The serial number tag is found about the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Situated between the thumb screws above the steering tube. By coming into your email handle you conform to receive marketing messages from Yamaha Outboards. You could possibly unsubscribe at any time. It’s https://outboard-motors-yamaha60370.blogdomago.com/35672726/the-basic-principles-of-average-life-of-yamaha-150-outboard