Recent content by pmtrkr

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    no spark in one cylinder

    I have a 1986 20hp mercury that only has spark in one cylinder. I checked the coil with ohm meter, checked OK. I was told maybe switch box( power pack) is probably bad. anything else I should check before I spend $150 on something that might be good. S/N OA929166 Model 1020226
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    carburetor 20hp mercury repair

    my carburetor was starting really hard and losing prime and running on only half throttle so I take the carb. apart to clean and replace any bad diaphragm or gaskets. When i took the base plug off the bottom of the primer system the check ball was missing. anyone have any thoughts about what to...
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    1986 20hp mercury carb rebuild

    I have a 1986 20hp mercury outboard motor that runs only at half throttle. I replaced all the fitting from the fuel tank to the motor.Replaced the bulb in the fuel line checked and cleaned the fuel filter. I now get a good fuel flow to the carb. the motor now starts fairly easy, but only runs at...
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    Water coming out exhaust ports

    I have a 1985 20hp merc that has water spitting out the exhaust ports on the back of the motor is this normal?
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    hard starting 20 hp merc

    I have a 1986 20 hp mercury that starts really hard. It takes about 5 minutes of cranking to get it to start. once it starts it will start on the first pull every time the rest of the day. I don't think the choke is working properly because the motor sounds the same with the choke on and with it...
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