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#2
In theory, I much prefer the SL option but they seem a little more fragile. I am only going by some stories I have seen in the past but this doesn't seem to be an isolated case. I'm not sure if the small amount of oil in the blower can stand up to the heat or what the issue is exactly. I am guessing minimum $400 for a basic rebuild of bearings and seals though.
https://www.s2ki.com/forums/index.php?showtopic=778521
https://www.s2ki.com/forums/index.php?showtopic=778521