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Best lower unit gear oil for a very old motor.
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<blockquote data-quote="Pappy" data-source="post: 448324" data-attributes="member: 3278"><p><span style="font-size: 18px">I use mineral spirits for flushing but gear lube fill and drain should do the trick as well. Since you found no gear lube in the housing am thinking you will need to pull the gearcase, pressure check, and probably change the shift rod O-ring at the very least. New spaggetti seal as well with a visual on all the other seals. The old shift rod o-rings are prone to leakage. </span></p><p><span style="font-size: 18px">This is an assumption since you have never mentioned what engine you are talking about and my ESP is currently not working. :beer:</span></p></blockquote><p></p>
[QUOTE="Pappy, post: 448324, member: 3278"] [size=5]I use mineral spirits for flushing but gear lube fill and drain should do the trick as well. Since you found no gear lube in the housing am thinking you will need to pull the gearcase, pressure check, and probably change the shift rod O-ring at the very least. New spaggetti seal as well with a visual on all the other seals. The old shift rod o-rings are prone to leakage. This is an assumption since you have never mentioned what engine you are talking about and my ESP is currently not working. :beer:[/size] [/QUOTE]
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Best lower unit gear oil for a very old motor.
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