76GMC1500 said:Dirtbikes are high performance, highly tuned machines from the factory. Pipes and such do little except cost a lot of money. They move the power band around a bit, but you can usually learn to live with what you've got, especially if the factory setup has good low end.
KdX_SkUiRrEl said:2 words. manufacturing tolerances(damn engineers). the poor machines come from the factory incredibly restricted (its awesome what you learn as a mechanic :) ). get the transfer ports matched where the cylinder mates to the cases, and that rb mod pretty much put the squish damn close or better to what the stock clearance is SUPPOSED to be (damn engineers again:P) it will give you a very noticeable gain in power because the transfer porting is smoothed out at the base of the cylinder. i hope that helps :)
KDX607 said:I went track riding today and I nosedived off a triple and that scared me quite a bit. Maybe a kx250 is in store...
No offense intended Adam but while the engineers may not be responsible for quality control, they are singlehandedly responsible for the out of balance suspension. I will say though that your advice on this forum has been thorough and spot on.adam728 said:Not damn engineers, damn manufacturing line! If it were up to the engineers everything would come out dead-nuts on the nominal value for whatever spec you are measuring. Heck, it would be nice if we could get them to stay within the tolerances, half the time the claim our specs are impossible to adhere to, even though I could get it closer blindfolded with a hand drill. :yell:
Oh yea, original poster - springs first! A decent suspension and a slow motor will get you around a track or down a trail faster and easier than a crappy suspension and a mean engine. Fork springs should be mod #1 on a KDX!
ridejunky said:No offense intended Adam but while the engineers may not be responsible for quality control, they are singlehandedly responsible for the out of balance suspension.
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