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    Fuel additives for old Mercury outboards

    Thanks again. I also use Star-Tron at the recommendation of a local boat shop. I add a bit each time I fill my small 3 gallon tank with fuel and oil and will add the recommended dose at end of season.
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    Fuel additives for old Mercury outboards

    Thanks for your input. It's a 20hp 2 stroke outboard with a portable fuel tank. The filter is a screen filter inside the carb itself. I have a small inline filter (lawn mower type) between the primer bulb and the fuel line quick connector that I will replace each season. I may just start using...
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    Fuel additives for old Mercury outboards

    That is a good idea. Our winters vary widely in severity, so more than likely I would run them at home in a barrel instead of at a lake during that time frame. Probably easier to just drain the carbs. Thanks for your input and opinions.
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    Fuel additives for old Mercury outboards

    That's kinda what I thought. If I can get ethanol free fuel closer to where I live, would I still need to empty the carbs. Those motors don't use much fuel since I use the trolling motor most of the time I am fishing, except when I move around. That fuel would probably sit around for a while
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    Fuel additives for old Mercury outboards

    Thanks for your "experienced" opinion. Appreciated
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    Fuel additives for old Mercury outboards

    I bought an old boat that came with 2 old Mercury 2 stroke outboards, a 1978 20hp and a 1984 9.8hp . After doing some work on them, they both run well now and pump water. It is difficult for me to find ethanol free fuel where I live without driving about 30 minutes. Is there a specific fuel...
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    1978 Mercury 200 20HP 2 stroke outboard

    I will and thanks to both of you. Clear skies and tight lines
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    1978 Mercury 200 20HP 2 stroke outboard

    I think the 0.057 should work. I am in southern Illinois and the places that I fish vary from 300ft ASL to less than 1000ft ASL in northern IL. Thanks for looking out for me Droid. Much appreciated.
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    1978 Mercury 200 20HP 2 stroke outboard

    Indeed! Thanks
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    1978 Mercury 200 20HP 2 stroke outboard

    yes 4957481. I purchased the 0.057 but have the 0.056 installed in carb. The carb is not on motor yet so I don't need to deal with taking it back off. Might as well use the right part. Thanks again
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    1978 Mercury 200 20HP 2 stroke outboard

    Don't know how I missed that. Thanks. Would it have been ok to use that 0.056 jet if you had not pointed me to the correct part?
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    1978 Mercury 200 20HP 2 stroke outboard

    I am working on a Tillotson BA2C carburetor for a 1978 mercury 20hp. The main fuel jet is missing, it wasn't in the carburetor. No wonder it didn't run properly. The carb requires a 0.057 main jet and all I can find is a 0.056 jet. I know that is only one thousandth difference, but I am...
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