The serial number tag is located on the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, Situated amongst the thumb screws above the steering tube. By getting into your email handle you comply with receive marketing messages from Yamaha Outboards. Chances are you'll unsubscribe at any time. Like https://yamaha-outboard-motors-ca10740.livebloggs.com/43411179/5-essential-elements-for-yamaha-250-outboard-lower-unit-oil-capacity