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Post by Daniel1988 on Sept 19, 2008 18:30:54 GMT -6
So on older forks there are air fittings, This was to let the built up pressure out right?
But it is possible to put a small amount of air in forks if the seals are good?
Excuse my lack of knowledge on older forks, I'm just trying to get some info. I've rebuilt forks, but never messed with the older forks with the air fitting and wondering it's purpose, Which I'm guessing was to let off pressure. Do they perform decent? I'm looking at a set of older kx80 forks on the ttr125, but realized they aren't like the 93-97 one's with the clickers. Are there any adjustment's on the older ones, besides oil type and level? In any case I'm sure they are better than the TTR125's. Also wondering if I should just pay a little more and get newer forks.
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Post by HyperFX on Sept 19, 2008 20:25:35 GMT -6
So on older bikes forks there are air fittings, This was to let the built up pressure out right? And when they seals wore out and all the oil ran out people started putting air in, only for it to leak out later. But it is possible to put a small amount of air in forks if the seals are good? Excuse my lack of knowledge on older forks, I'm just trying to get some info. I've rebuilt forks, but never messed with the older forks with the air fitting and wondering it's purpose, Which I'm guessing was to let off pressure. Do they perform decent? I'm looking at a set of older kx80 forks on the ttr125, but realized they aren't like the 93-97 one's with the clickers. Are there any adjustment's on the older ones, besides oil type and level? In any case I'm sure they are better than the TTR125's. Also wondering if I should just pay a little more and get newer forks. Daniel, I had an '84 RM125E that actually worked great with 2 psi in the forks. I had always bled the air prior to each race, but noticed the front end would bottom on some jumps, and dive a little too much in choppy turns. I asked a local (Oklahoma City) Suzuki tech what he thought, and he advised using almost stock settings, adding 3 mm to the stock fork oil level AND put 2 psi in the forks. Seemed odd to me at the time, but it cured the problem! I never had a fork seal blow the entire time I owned the bike. Some of my friends that were heavier than me ran up to 5 psi in their forks and had no problems. I don't know all the details of what your forks are doing, but if you've tried all the normal adjustments with no luck, I wouldn't put air in unless you have a similar bottoming/cornering problem. If you're bottoming, it could just be the springs are too soft. If you can't change the springs, try increasing the oil level a couple mm first and see if it helps. Give us a little more info about the forks, please. I'm curious. |
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Post by Daniel1988 on Sept 19, 2008 20:37:29 GMT -6
I dont have them yet, Im thinking about buying a set of older(pre93) kx80 forks to put on my ttr125. They are the one's that have the air fittings on top. I was just making sure I was right about how they work.( The fitting is for bleeding, not 125psi lol. But it is ok to put a little air)
And wondering how they do over all, or should I just go for newer one's. But I think they will work decent, and will be worlds better then the TTR's.
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