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  1. Chief78

    1986 75HP Mercury Outboard LU Metal Shavings

    Thank you. How would I inspect for a bad bearing? That is, how would I know that a bearing is bad? And how do I get to it/them?
  2. Chief78

    1986 20HP Mercury outboard

    You might consider a new Switch Block. My ‘86 75 HP Mercury was acting the same way. Now runs perfectly.
  3. Chief78

    1986 75HP Mercury Outboard LU Metal Shavings

    While changing the Lower Unit oil, 1986 75 HP Mercury Outboard, I discovered a “marble size” glob of metal shavings. These were the size of a coarse sand and were also throughout the oil as it drained out. The last oil change was about 40 hrs (run time) ago. What does this indicate and how do I...
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