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  1. M

    fuel grade/ignition timing issue

    I have a 135 V6 mariner 1991 model. I prefer to run higher grade fuel 98 octane. Is it recommended to alter the ignition timing to suit this grade of fuel?? Also what compression should this model engine run at?
  2. M

    Water Pump Concerns

    V6 Merc (mariner)135 1991 model.<br />Replaced water pump recently. when I installed the lower unit and test ran with muffs on, My concern is that I have quite a fair bit of water coming out from where the anode blocks attach ie. just above the anti cavitation plate. I have more water comming...
  3. M

    Flywheel magnets separated from flywheel

    V6 135 mariner. When looking under flywheel yesterday I noticed that the magnets were loose, I could push them up with my fingers. Rotated flywheel to notice that the entire magnet ring had separated from the flywheel and were only rotating with the flywheel about 50% of the time, sometimes...
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    Divider Plate

    can anyone tell me the purpose of the divider plate that sits inside the exhaust cover or the rear of my 135 V6 1991 mod and what could happen if the divider plate seal isn't doing it's job.<br />The reason why I ask this is that I was doing a compression check today on my v6 135. I found that...
  5. M

    Divider plate

    I was doing a compression check today on my v6 135. I found that it was a bit low at 100 in each pot. I decided to spray same oil into the cylinders to see if this would help. as I had all the plugs out I noticed as I was spaying the oil in (with spray gun hooked up to air compressor I noticed...
  6. M

    poor acceleration from idle

    I have a 91 Mariner 135. It has poor acceleration from idle up to midrange and is worse when I am trying to start out with a skier in tow,having about 3~4 seconds of bad hessiation. Once it has hit midrange though, all is good, with revs peaking at 5600.<br />Things I have tried thus far are...
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