Maintenance & Technical > KX500 Original
Front Fork Question
KXcam22:
I screwed up. 5wt oil for the forks, Kayaba 01. Cam.
DoldGuy:
DMG,
Great information & knowledge from Racetech as JFAB mentioned and KXCam was on with the spring rates. Fork oil does break down and you loose comp and rebound dampning (we used 2.5 wt fluid to keep it consistent when it heated up). If your forks compress that easily, check your cartridge seals (racetech info will show you) when worn you will lose alot of your dampning effect and the bottoming cones do not work as they should. I had an 92 KX 250 with low hours and the seals were leaking, replaced them, stiffer springs, and longer bottoming cones with oil height @ 110 mm and I loved these forks (relatively plush on small chop, held well on the face of jumps & very hard to bottom), but the best part is obtaining the Knowledge on how to service the forks to set them up for what YOU want, and the Racetech info will give it to you with a relative small investment in tools (cheaper than a reputable Company revalve).
dmg:
Looking at the prices of the parts almost makes me wonder what it would cost to send the forks and shock in to Race Tech. If it wasn't too much more than the parts would cost me, I would consider it. If I need to buy all the special tools, and the parts, I might as well have someone else do it.
Does anyone have any idea how much I would save doing it myself? I would like to, but if it is only a little more than MY total, I wouldn't mess with it. What would Race Tech cost if I bought in the forks and shocks off the bike?
Thanks for all the help so far.
Darin
gwcrim:
Now don't quote me on this, but I asked Race Tech about rebuilding a set of forks on a '92 KX500. I was told it would cost about $400. That included new springs, setting the valving, and lowering them a bit.
Of course, I may have missed something but that's what I recall.
The local Kaw shop wants about $250 just to put in new seals and oil. I don't do forks.
DoldGuy:
http://www.racetech.com/evalving/english/Srchpr.asp?bikeid=687&manufacture=Kawasaki&model=KX500&year=1992&TABLEINFO=dirt&langname=english
Invest the $400 into a fork revalve, or invest $400 in yourself and a revalve? How many times has someone had a set of leaky seals?
$250 for a set of $20 seals and $15 worth of oil and a half hour later?? If you invest in yourself you will be monies ahead after the first time you change a set of seals.
Just my 2 Pennies :-D
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