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Recent content by rwbrown3

  1. R

    Low compression on all 4 cyl's of 1985 Mercury 50 2-stroke

    I bought this engine last summer to put on a 18 ft aluminum boat. Last week I started getting it ready for the water and noticed writing next to the spark plugs. The previous mechanic had written the compression numbers next to each plug. Each cylinder is labeled #80, #80, #80, and #80. I...
  2. R

    1985 Mercury 50 Driveshaft lower unit question

    Here are pics of the sleeves. I have them stacked the way I found them on the on the driveshaft splines. They look to be in good shape, and the splines of the lower unit weren't damaged or worn or rusted at all. However when I tried removing the lower the unit I had quite a bit of difficulty...
  3. R

    1985 Mercury 50 Driveshaft lower unit question

    I have a 1985 Mercury 50 2 stroke 4 cyl. Today I removed the lower unit to change the impeller. When I pulled off the lower unit I noticed two plastic "sleeves" on the upper splines. The sleeves are splined and fit on the splined portion of the shaft. I have not seen these on any of the youtube...
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