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  1. bart98stang

    No thermostats

    Greetings! Because if the information from many of you I was able to fix my overheating problem by rebuilding my water pump and poppet valve. Thank you! However, there are no thermostats. I guess the previous owner removed them to hide the overheating problem. Without the stats the engine...
  2. bart98stang

    Difference of spark plugs pulled from engine

    Greetings all. I have attached pictures of two different spark plugs I pulled from my 1988 Mercury 135. The plug that has more carbon/oil is the only one that looks like that and the other 5 look clean like the other. These are brand new plugs with about 1 hour of run time. Can some one tell...
  3. bart98stang

    Normal operating temperature?

    Greetings all. I have a '88 Mercury V-135 and I was wondering what the "normal" operating temperature is. I looked in my manual and I couldn't find the answer but I do know the stats are 145 degrees. I just rebuilt my water pump and the temp hoovered around an estimated 180 degrees (needle in...
  4. bart98stang

    Starting question from the new guy.

    Hello all. Just bought my first boat, 1988 18' Sea Ray Seville with Mercury V-135 outboard. It was sitting for a while and I knew there were going to be problems. I just bought, charged, and installed brand new marine battery and I cleaned each terminal within the starting circuit (12v and...
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