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    91 merc. carb. w/5000rpm and no speed

    I have a 200 hp motor w/ comp. of 100 on 5 cyls. and 90 on one. It idles, revs. and in gear it will get up to 5000 rpm's but has no speed. I de-carbed motor,used seperate gas supply and hose and still no luck. Recently had problem with oil pump and disconnected and am running 50/1 premix now...
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    1991 200hp mercury parts

    Can anyone tell me the best place to buy new and used motor parts.
  3. S

    Does 91 mercury lose 2 cyl. on overtemp. alarm

    I have a constant beeping when tring to start my 91 200hp mercury and it runs poorly with alot of power loss.I took the temp.sensor off and still have beeping and believe warning module bad. Can<br />anyone tell me if you lose 2 cyl. when module believes there is a high temp. problem. Have...
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    1991 mercury 200hp warning module

    When starting my motor I have a contant alarm going off when switch is in on position (motor doesn't even have to start). I pulled all wires off warning module including temp. wire. Left green, purple(power to module) and black (ground). Alarm only stops when I pull wire from module going to...
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