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  1. C

    Does anyone know how to

    Does any one have any suggestions on how to clean out the circulation passges on the heads. I have a 175 merc 89 model. And it's still over heating and we have done everything we can but to no avail. If anyone has had to clean the water passages please feel free to give me any suggestions thanks
  2. C

    motor over heating and dont know what else to do????????

    we have done everything to my 1989 mercury 175 and it still over heats. new gaskets, new stats checked the poppet valve, new impellar and housing. water is circulating great. at idle and at low speeds its ok but when you take off it gets hot and sets off alarm. what can i do now???????
  3. C

    over heating 175 mercury 89 model need help

    i have completley replaced all gaskets, putin new impeller changed stats and cleaned the pressure release system. it runs fine at idle and as long as i dont go over 35 mph i will not hear the alarm sound. If the alarm goes off i slow down and it cools off and buzzer goes off. Its getting plenty...
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