Re: What year is my Mercury 25 hp
well it is a 1983 model motor, and since that has an integrated fuel pump and carb here are the part numbers for the rebuild kit( might as well rebuild both since you have it off anyway)<br /><br />1399-8153 Parts repair kit Fuel Pump and Carb<br />1399-8154 Diaphram and Gasket kit<br />12-866451 Impellor (water pump)