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Canadian Daves JustKDX
'91 KDX250SR - help diagnosing a starting problem
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[QUOTE="idl1975, post: 1413268, member: 95230"] Well, after taking apart the kickstart mechanism and doing some fiddling, it's now starting acceptably. There's still something not quite right, but I can't figure it out, and neither can my friendly neighborhood bike shop. Throttle response is good. It doesn't want to idle warm or cold (42 pilot), but I should be able to sort that out with a bit of work on the jetting. It's running a KX gasket, tassinari reed block with carbon reeds and a pro circuit muffler, so a bit of tweakling is to be expected. This week I was finally, finally able to take it out to our nearest MX track and even with road gearing on it, it really rips out of corners and down the straights. Goes round corners...well, like a KDX. Very easy to ride and forgiving, despite the weight. It was a bit scary over the jumps, however. Not sure precisely what the problem because I was out there by myself (day off work) and didn't really want to push too hard and end up in an ambulance. Stutters seemed OK with the proper body position, but anything bigger than whoops it's coming down so hard it's just about winding me - even sitting back and keeping my legs bent enough that I'm getting tapped on the ass by the tail. The forks don't actually seem to be bottoming, surprisingly enough, but maybe they need higher rate springs, or maybe the damping isn't up to big landings? Is this just normal behaviour for a ~134kg trail bike on a MX track, or does it sound like something I could cure with work on the forks? I've only ever ridden tracks with modern WRs and YZFs but have had no problems jumping those machines, so I doubt it's purely a technique problem. If it just sounds like "your bike is too fat", I guess I'll just have to take it easy over jumps... :( Any SR owners have an opinion? [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
'91 KDX250SR - help diagnosing a starting problem
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