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    1976 Johnson not enough RPMs. Help on timing advance screw

    Hehe guys I've owned this boat for years. Posted about a year back on it. 1976 Johnson stinger 75hp motor on a 19ft old glass stream boat. Light weight boat. Carbs clean and rebuilt. New fuel pump (vacuum type). Vented tank. New spark plugs. Compression on all 3 chambers 120psi. Runs smooth at...
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    75hp stinger 1975 need help. Bogging down.

    I'm very familiar with this engine yet I'm stumped. To bring you up to speed know the this: I have replaced the fuel lines, bulb, and connectors. Compression checked and perfect. Spark plugs new and coils are working. Giving spark. I have taken apart the carbs like 5-8 times cleaning and seeing...
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