This Attwood Gear Lube Pump offers a universal fit so it can be used with the greatest number of engines. This pump is intended for use with a 32-ounce gear lube bottle, and it fits nearly any outboard or sterndrive. It comes with 1 Yamaha adapter. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.