Posts: 1150
Location: Minnesota. | Until this year I had a '97 Ranger 681 VS Fisherman on a Ranger trailer, of course.
The clear "mirror" on the cool hubs were always totally black...I'm guessing 100% oil-filled. When I bought the trailer in to a local, well known Ranger dealer wondering about changing oil in them I was told the oil was under pressure (spring pressure, I'm guessing) to ensure a total fluid bath on the bearings.
He also told me that at my age, then 48-49, I didn't have enough "time left to worry about changing the oil" - meaning it would be good for much of it's/my life.
After 15 yrs the oil remained clean and dark, not milky or such.
FYI. And I must put on around 3000+ miles per yr fishing. Not many but I'm happy.
Hope this helps.
Edited by Jeremy 7/5/2012 11:16 AM
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