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    replace coil?

    1985 thundercraft 16 ft 140 hp merc. well i got the fuel system straightened out, put boat in water, wouldnt start. gas to carb ok, i checked ,no spark .my question is should i just go ahead and replace the coil. or is there some test i should do first.question 2 can i replace coil with...
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    hot battery post

    1985 thundercraft merc io 140 hp after testing fuel pump i noticed my battery wire was very hot what would cause this ? short somewhere? and how do i find it? battery was only connected about a minute.
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    test without starting

    hi guys i have a 1985 thundercraft 140 hp io. my question is can i turn the engine over to see if gas goes thru fuel pump without doing damage to the water pump? if i dont fully connect fuel .so there is no chance it will start.i rent space on a farm to store the boat and have no access to...
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    fuel pump

    1985 thundercraft 140 merc i o wont start i changed filters in fuel pump and at carb inlet no gas to carb i undid filter on fuel pump, its bone dry. should i change fuel pump?is there some other filter i am missing?thank you for help in past
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    no gas at carb

    85 thunderfcraft 140 hp merc io. wont get gas to carb. if i pour gas in carb to start it will start, and run, but once i turn it ofF, it wont restart. i looked down carb when trying to start, could not see any gas, how do i test the fuel pump ?:. i undid it, turned motor, gas did come out. is...
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    rod holders

    anyone ever make there own rod holders? i am thinking about buying 10ft pvc pipe and cutting it in 6 inch pieces .then fiberglassing to outside lip of railing or should i attach with screws what would be better?
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    reverse fuel gauge

    bought this boat end of last summer. only out twice with .thought we had bad fuel gauge .today i noticed when ignition is on the is no reading like tank is empty. if i turn ignition off it gives correct reading. first time we took it out the battery died could the fuel gauge be draining the...
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    testing fuel pump

    85 thundercraft 140 hp merc i want to test the fuel pump how can i find out the correct pressure it should be i know i have to connect gauge to out let side just dont know what readings to look for thanks
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    useing ears

    140 hp merc i o will it hurt to run motor for long period with ears on in my driveway trying to duplicate a problem of non starting when engine is warm? new to this sorry if it seems like dumb questin:redface:
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    merc 140 i o wont start when warm

    1985 merc i o 140 wont start when its warm turns over but thats it i am thinking its the carb but just a guess any help appreciated thanks
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