Replace your original equipment 2 Barrel MerCarb/Mercruiser Carburetor with electric choke and side fuel inlet.
Base bolt pattern is: 3 3/4 X 2 inches.
This unit is available for all 6 cylinder 175/185, 198 4.3L V6 engines originally equipped with the 2 Barrel MerCarb.
Make your boat run the way it should!!! Replace that problematic MerCarb with a real GM quality part for Mercury Marine applications.
Some models will require a slight modification of the fuel line