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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Jetting results
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[QUOTE="Rhodester, post: 669954, member: 42241"] Guys, Thanks for your additional input. I own 2 businesses over here in the Boise area that are on the grow so I'm a little short on bike experimentation time. In response to some of your input I'll share some further info. I recently cleaned my silencer with my torch, wire brushed it, and repacked. I am aware of the different taper beginning points in relation to the L1 measurement on the different needles I have been testing with (Bxx, Cxx, Dxx) thanks to your very informative posts from the past. I purchased my KDX around July 1st this year and it already had the -30 pipe (the older "fatty" designation). Unfortunately I don't have Excel on my computer...I wonder if JD's charts can be obtained through other means? CC, I'm giving considerable thought about trying some more D tapers to follow your suggested course. Acutemp, I think you may have really hit a bingo when you suggested that my slide is pre-air striker. I had heard that there was a difference but didn't know what it was. That may solve a lot of my problem right there if you think the right #7 slide will significantly effect the idle to 1/8 throttle blubbering situation that I have. If that will lean it out in that area I can probably run some richer diameter needles and get the results I'm looking for. What do you think? I did some testing with the CEL needle in clip positions 2,3,4,and 5. I used a 38 pilot trying to compensate for the richness of the straight section. I was using #5 slide at the time and tested the needle with a 155 main (CEL/3,4) and a 160 main (CEL2,4,5) at 75 to 80 degrees. CEL/2,3 had hesitations, the rich main jet turned the hesitations into just flat spots which were never really eliminated even in the /4 and /5 positions. Of course, there was lots of blubbering on the straight section. Perhaps I can try this again with the air-striker #7 slide. Thanks again for your continuing help. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Jetting results
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