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  1. T

    Wont restart after running at higher RPM

    Vent open and clear on fuel tank?
  2. T

    1974-77 mariner international Motor series 25a 648 s yamaha mariner japan ignition coil query.

    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
  3. T

    1982 Mariner 6fo

    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...
  4. T

    1984 Mercury 50HP 2Stroke

    Manual tilt
  5. T

    1983 Mariner 60hp 2cyclinder 6fo

    150 on both cylinders Mixed 50:1 1 can of seafoam. had great piss stream.
  6. T

    1983 Mariner 60hp 2cyclinder 6fo

    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...
  7. T

    Engine year?

    Buying a pontoon boat. Totally forgot to grab numbers off the engine. Any idead and any info about this engine is well appreciated. TIA
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