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  1. J

    1960 Johnson 10hp Rebuilt Lower Issue

    I just resealed the lower on my 1960 Johnson 10hp QD21, put it in a barrel and started it up. I ran it in neutral most of the time. I started to see the water getting milky and saw what looks to be gear oil mixed with water. I posted pictures because I pulled it back apart and it is a mess. Does...
  2. J

    QD 21 Bearing Housing Damaged

    Hi guys, I am in the process of re-sealing the lower unit of my 1960 Johnson 10hp QD-21 and everything was going well until I came to the bearing housing (part #0377186) under the water pump. I have been really struggling to get the seal out and last night I damaged the bearing housing beyond...
  3. J

    1960 Johnson 10hp struggling at mid range

    Hi guys, first time posting here but I have been reading through many of the forums and have been loving what I have learned so far. I just purchased a 1960 Johnson 10hp QD-21 S that I am really excited about but it is struggling to go from low to high. It is acting like it is missing a lot or...
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