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    150 Mercury Black max thermastat

    I noticed the engin getting a lil warm at the pee hole so I decided to take a look at the thermastats. The lil salt looking things dont know how they ever worked and even when they did It dont look like much water would go through there anyways. So my question is Here were I live Gulf coast...
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    speedo stoped working

    I have a 1994 Robalo and the speedo just stoped working, were is the pickup for this I dont see a speed tab at the back of the boat it has a merc 150 black max. It never had a speed tad at the back befor either.
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    Gas Tank on 1994 Robalo 1820

    I was wondering what size tank is on my 1994 Robalo 1820? I was out on the water and the guage showed a lil under 1/4 and I went to fill the tank it took 39 gallons. I dont have the specs on this boat and would like to take it offshore it has a 150 merc blackmax. What kind of milege should I be...
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    Gas Tank on 1994 Robalo 1820

    I was wondering what size tank is on my 1994 Robalo 1820? I was out on the water and the guage showed a lil under 1/4 and I went to fill the tank it took 39 gallons. I dont have the specs on this boat and would like to take it offshore it has a 150 merc blackmax. What kind of milege should I be...
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    spark plugs for 1993 Black max

    Would any one know what spark plugs go into this motor The ones that are in there have no markins and what gap to use?
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    what prop selection is best!!!

    I have a 1994 :p 18'20 Robalo cc with a 150 mercury black max what would be the best pitched prop to put on this boat for the best performance. I have a 17 pitch on it now and at 5500 rpm is at 36mph. I have a dolphin on it and no jackplate
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