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661 Posts
Why do we have to change the oil in out forks so frequently?
When you think about it, engine oil lasts a lot longer in much harsher conditions, an hour on the highway has got to subject it to much more stress & temperature extremes than in a suspension fork, freeriders aside. ;-)
I realise that a car has an oil filter but is contamination the only reason we replace our oil? Would properly filtered used fork oil be as good as new?
These questions came about after noticing how, after a few months sitting in an old pop bottle I keep my used oil in, a lot of the contaminants had sunk to the bottom leaving only slightly cloudy oil in place of what used to be a black soup.
Cost savings aren't really worth considering when you look at the small quantities of oil in a fork & the cost of a quart of Belray from your local motorcycle store (more than paid back by the few minutes you get to spend ogling the latest sportbikes & dreaming of buying one) but environmentally re-using old oil would be a good thing.
Anyone who knows about oil care to answer?
When you think about it, engine oil lasts a lot longer in much harsher conditions, an hour on the highway has got to subject it to much more stress & temperature extremes than in a suspension fork, freeriders aside. ;-)
I realise that a car has an oil filter but is contamination the only reason we replace our oil? Would properly filtered used fork oil be as good as new?
These questions came about after noticing how, after a few months sitting in an old pop bottle I keep my used oil in, a lot of the contaminants had sunk to the bottom leaving only slightly cloudy oil in place of what used to be a black soup.
Cost savings aren't really worth considering when you look at the small quantities of oil in a fork & the cost of a quart of Belray from your local motorcycle store (more than paid back by the few minutes you get to spend ogling the latest sportbikes & dreaming of buying one) but environmentally re-using old oil would be a good thing.
Anyone who knows about oil care to answer?