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    Distance from lower gear case to prop

    Next little question how much clearance should there be between the lower case and the prop? what does the 3 blade thrust washer do?
  2. F

    140 hp OMC sea drive

    Do these have thermostats? I thought they all did but nothing I can find in the parts diagrams.
  3. F

    140 hp OMC sea drive

    I have a 1988 OMC 140 hp v4 sea drive with a bad prop shaft. Any tricks to drop the lower gear case? I have service manual on the way. Do any other lowers interchange with this model? Thanks in advance.
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