I know we're talking different hp but my 1982 mariner 60hp 6fo is a yammy . Yamaha 60CE if that might help.
Yamaha only made engines for about 3 years for mariner
I've changed fuel pump,plugs entire fuel line up to engine including connector. Changed fuel.
Underload she boggs down and starves for gas. . She ran fine until vent on fuel tank failed and created huge vacume. Ever since I've been having issues.
is this the only adjustment on these carbs...
Just bought the boat yesterday. Changed lower gear oil. Magnet on drain plu clean.
Filled tank up with fresh gas.
Changed plugs with proper gap
Added 1 bottle of seafoam
Ran today for about an hr at cruising speed of 20mph. It the bogged down on its own. When I was able to get it restarted it...