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    1974 Mercury and Advice,

    Let me get the obvouse out of the way, Im new to boat motors and i dont know where to start or how to proceede<br /><br /> Im using a 1974 200 20 Hp Thunderbolt ignition mercury that I got when I bought my grandfathers 13.5 foot aluminum fishing boat, I am quite sure the only matnince that has...
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    What year Merc 200 20HP thunderbolt

    Looks like the serial # is 4054126 im having problems with it cutting out and bogging down almost like the gears are slipping but Im really new to this so I figgured a great place to start would be to find out what year it is
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