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Canadian Daves JustKDX
KDX250 fork and manual help!
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[QUOTE="dirt bike dave, post: 74813, member: 18302"] KMX - hopefully your bike has different fork valving and spring rates than the US model - that was one of the bike's weakest links. It takes more than an oil change to make the forks work well offroad - the springs are way to soft and there is way too much high speed compression damping. Anyways, yes, you need to undo that nut at the bottom of the cap to get the cap and spring off. The easiest way is to use a thin wrench, feed it between the coils of the spring below the nut and spin the wrench up the spring until you can fit if over the nut. Measure the oil level with the forks compressed and springs removed. See what your stock level is, but know that you can move the oil level quite bit for fine tuning the fork. After revalving I ran as little as 3.75" from the top, and the fork would almost never bottom, but you might try 4.25 - 4.5" for starters. Stock level is probably 5"? As far as disassembly, I pulled mine apart to put in Race Tech gold valves and stiffer springs. At the time the gold valves came with a video that walked you through the process. It really helped a lot to watch the video first, but I guess the video is an extra cost item if you order gold valves now. Maybe some of the suspension companies offer a generic fork service video. Never had any sort of comprehensive service manual, just the regular owner's manual (which doesn't have all that much information). Overall, the 250 is reliable and shouldn't need much more than regular generic dirt bike maintenance. But for serious inside the motor stuff, I think the KX250 has more similarities than a KDX200. Gool luck with the bike, and I really encourage you to revalve the fork if you're serious about off-road performance. Dave [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
KDX250 fork and manual help!
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