Maintenance & Technical > KX500 Original

KX forks

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jkindt:
In order to avoid putting more money into this bike than it is worth, I am just going to keep the stock '89 forks. Where is the best place to get heavier springs for them? Also, how heavy should I get? I am about 240lbs and ride mostly mountain trails, not a lot of motocross, but some.  :-)

1989kawasaki:

--- Quote from: jkindt on October 30, 2011, 01:06:46 PM ---In order to avoid putting more money into this bike than it is worth, I am just going to keep the stock '89 forks. Where is the best place to get heavier springs for them? Also, how heavy should I get? I am about 240lbs and ride mostly mountain trails, not a lot of motocross, but some.  :-)

--- End quote ---


go to racetech.com

front spring=  .50kg

rear(to match) = 6.0 kg

i entered 240 lbs into their calculator and that is what i got

jkindt:
Thanks for the quick response. Is there anything else I should do to the forks other than change the springs and standard service? Different fork oil? Or just keep them stock other than the springs? Also, I am going to have to post a pic of my rear shock once I get it removed, it is not stock, it has a remote reservoir hose clamped to the subframe...  :roll:

1989kawasaki:
re-valving if you want the best performance

jkindt:
What is involved in revalving? Is this something I can do myself? How do I know what it needs? I have never actually bothered changing anything, just change the oil and bleed the air. Of course I have never had a bike that I thought was worth setting up properly....

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