Maintenance & Technical > KX250 / KX125

98 kx250 rear suspension.

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umberto:
Rebuilding a shock is not too complicated, but you will need to have the bladder recharged at your local bike shop.  I've done it a couple of times and it's pretty straight forward. 

Here is a good video from Rocky Mountain ATVMC that shows the steps.

https://www.youtube.com/watch?v=0_InEnom2ec

GRARA:
I watched it on youpube ..but those special tools lol

Actionman:
I use a piece of pvc pipe to push down on the bladder retainer on the reservoir(the part with the schraeder valve) to remove the clip holding the bladder in the reservoir. I cut a slot in another pvc pipe piece to use to push the seal head into the shock before i reinstall the large retaining circlip in the actual shock shaft body. Total cost of "special shock repair tools": .$1.09. :)  The only tricky part is machining away the staked-over threads that hold the piston and valve stax on the shaft. I used a dremel and carefully ground the top two or three threads at about a 45 degree angle so that the retaining bolt would come off. I used a new nut and red loctite to reassemble. I use 'hydraulic, non-foaming' oil in my shock and forks. Its extremely light viscosity and is cheap. It also works just fine regardless of what "experts" will say. Suspension is simply hydraulic cylinders
 Ill take pics of my "tools" tomorrow for you. By the way: i use air instead of nitrogen, but i only use about 110-115psi in my shocks. If your compressor has a moisture filter then air works fine. Itll still work without a filter but i prefer to use one. My rear shock feels absolutely awesome-but I trailride only. If youre going to jump everything in sight, use nitrogen at the proper psi.

dodymhdz:
where can I get a rebuild kit for my kx125 95?

Actionman:
Ebay should have them. Comes with new seal head. You have to buy new shock bands (seals around the piston) seperately for about $20. Check that you bladder isnt torn ($20), and id replace the bumper ($15).

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