[Member-Forum] thrusters

[Rick Patton via Member-Forum]

I was getting ready to fill my 3 Minn-Kota motors with fluid and saved a
post from quite a while ago on how someone did it. It says to drill an 1/8"
hole in both sides between the magnets and wrap clear tube around the
housing a couple of times.

Couple of questions come to mind.
I understand that the tubing is to allow the the expansion of the oil when
it gets hot but I wouldn't think that the tubing would be flexible enough
to allow for that.
If it is, would a 1/4" hole be better?
also, is this method based on theory or has someone actually had a problem
with the O ring being compromised in the past because they didn't have a
place for the oil to expand?
Thanks

Rick
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