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  1. J

    Help With DDIS ignition

    91 mercruiser 3.0LX I was getting gas in the oil, a rather large amount. After searching the forum it seemed to point to the fuel pump. I replaced that, all seems OK now with that anyway. I replaced the plugs last week because of fouling, they were black and wet. That leads me to this...
  2. J

    84/85 parts interchange

    I have a 88 force 85hp now (black/gray cover). I have the chance to buy 2 84/85 85hp motors (white cover) for under 400 bucks with bad lower units, supposedly they both run. I was wondering if the ignition parts will interchange, as long as the ignition boxes are black like mine? Things like...
  3. J

    Water pump volume

    OK, I noticed yesterday that at WOT the volume of water leaving the "pee holes" is quite low. At idle the water has some pressure behind it, at WOT the water just kind of arcs out of them. I touched the head area in a few spots with my hand and it was not very hot, I could have left my hand on...
  4. J

    Only getting 4200 rpm

    I had made a thread a couple/few weeks back, but have done somethings since then. Here goes. I have a 1988 force 85hp on a 17' bayliner capri cuddy. I can only get 4200rpms out of it. I have replaced fuel pump and cleaned the screen. Checked and adjusted mixture and timing. I have made...
  5. J

    help with prop

    I have a 1988 17' bayliner cuddy with a 1988 85hp force. I am currently running a 13.5 - 17 aluminum prop. At WOT it is at 4200rpm and around 32-33mph per speedo, the operating range is 4500-5500. I need suggestions as to what pitch prop would get me in that range, I really can not go any...
  6. J

    Top speed on new boat

    I have a 17' 1988 bayliner cuddy with a 88 85hp force. I just purchased this boat about three weeks ago. I was wondering what I should expect the top speed to be. Currently I am seeing about 25 (speedo). The boat was/ is moored on a slip on the river. The previous owner thought that it...
  7. J

    Help with timing marks

    I have a 1988 Bayliner with a 1988 85hp force. I am trying to set the initial timing. There are 4 timing marks with no numbers on them. Three off the marks are all with in an inch of each other, the middle mark is offset a little lower the the outer two. The forth mark is about three inches...
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