Has anyone tried putting the .33 fork springs from a 1988 KDX into
an 89-94 KDX? I got this tip from justkdx under the Fredette section. Also will a quart of fork oil be enough for an oil change?
I don't think 15 year old .33's will be all that much better than .31's from a '91 or there abouts, might not be much value unless you weigh 140# or so.
You could call Jeff for some .35 'take offs' from '95-up bikes, thats what I did and the difference was remarkable, and good enough for my spodely pace.
Thanks Gearloose. I weigh around 155. I was using the recommendations from Fredette site. The .33 springs would be new. I had thought about .35's
but I did not see any at Fredettes. I do not want to make the bike to harsh for the woods.
I have .35 from 2001 KDX 200 that I replaced and will be glad to sell you. Interested? Email [email protected].
Speaking of fork springs--I put XR springs in mine like CC and others suggested and it made a new Motorcycle! A shade tree mechanic told my riding buddy he could get the same result by increasing the preload (longer spacers) in the stock forks. I know this is not right, but some techie please explain so I can convince my buddy.
Increasing preload raises ride height, until you comprimise downward travel, then your front wheel is spending less time on the ground and the forks are banging against the lower stops.
More preload doesn't increase the spring rate, (within the usable range of free sag) so it still feels soggy.
The primary mission for preload is to set proper unlaiden sag. The rate determines how much further it sags with you on it, as well as deflection under load.
I don't think .35 would be too harsh for you twocycle.
I'm not a moron, I put in the correct springs with the correct preload and came out a winner!
In answer to someone's question, the 2001 KDX200 stock springs I took out are 18.5 inches long (which is stock length). I still have them available if anyone wants: email [email protected]
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