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Author Topic: Kx250 forks strip down how?  (Read 2507 times)
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cati
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« on: October 08, 2014, 09:11:56 PM »

have a pair of kx250 a4 forks with air valves. Trying to get them apart and there does not seem to be any cir clip at the top of the fork seals to get them apart

does anyone have any ideas on how to get these damn things apart?
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frostype400
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pe400 benalla


« Reply #1 on: October 08, 2014, 11:59:25 PM »

I'm assuming that you know there will be a dust cap that will need to come out first then you can get a look at the seals the parts diagram shows a circlip holding the fork seal so I think you maybe aren't at them yet?

The cap will need to undo at the top I like to undo them while they are in the trees as it will hold the tubes then the spring will come out then you need a tool usually a socket or something to hold the damper rod and then you undo the bottom usually a Allen bolt in the bottom of the leg then if the circlip that holds the seal in is out you would be able to pull the leg out.

There is some good youtube tutorials on this most conventional forks are assembled like that.
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pe400x2 74gt80a 76rd250cd mt250 wanted tm400 project and suzuki pe parts.
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« Reply #2 on: October 09, 2014, 04:10:03 PM »

don't pull the springs out untill you have to. first drain the oil. then crack the allen key underneath.the spring tension should hold the damper. I put the allen key in then whack it with a hammer to crack it undone. put a container underneath then undo the allen key and drop the slider of the bottom of the fork leg. the bike will need to be waaay off the ground or on its side to allow the slider to clear the damper rod. undo the fork cap and remove the spring.

take the slider and lift out the dust cap and you should see the circlip holding in the seal (probably rusty). get that out then get a flat blade screwdriver and slip it in under the outside edge of the seal and place a small piece of wood on the top lip of the slider and then carefully pry up the seal using the wood covered lip as a lever. a tyre lever can work as well. be carefull not to damage the top lip of the slider and or push too hard under the seal, scratching the seal seat. if you get the old seal out ok, it can be used to push the new one in or (use a large socket very carefully). shops have a great installing tool if your stressed, get a shop to pop them in. might cost $20.

once the seal is out clean the slider carefully, there will be gunk in the bottom. a rod and a bit of rag will be needed to clean it properly.

once the new seal is reinstalled, put a wipe of oil in the lip and slip the slider back onto the fork leg (carefully so the top lip doesnt get dragged down)and get the allen bolt threaded into the damper rod but not tight. push the slider up to full position and do up the allen key. this centres the damper rod on the fork. v imp on husky's, good idea on any fork.

drop in your oil, put in the springs and do up the cap. simple.
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cant beat a comfy seat!
cati
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« Reply #3 on: October 15, 2014, 07:26:01 PM »

thanks guys worked a treat
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