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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
"7" Range Plug
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[QUOTE="canyncarvr, post: 492064, member: 16552"] I feel a 'way over' sermon coming on......;) Nah...I'll give you the cliff notes version! You don't change the heat range to resolve a jetting 'issue'. A correctly jetted kdx won't have a problem with an '8'. But that's the reason a '7' is commonly used....to 'make up' for a too-rich situation. 'Mask' is a better word. It doesn't 'make up' anything. While you can get an off-idle hesitation if you're too lean, you're more'n likely too rich. Adjust the airscrew (AS) for best throttle response. Adjust it in small increments..ride it for awhile before you make another change. 'Awhile' meaning a few minutes anyway. 1/16 turn can make a noticeable difference. While [b]NO[/b]one can tell you how to jet for your specific situation thru an email/thread post, I'd [b]guess[/b] that a 152/42 would be a move in the right direction for you. I run 38-40/150-152 @ 2000-3500', 40-55º, but that's with a BEL or CEK needle and a 6/7 throttle valve (slide) respectively. Neither of which means anything for you...just an example of what works in other bikes with other riders. .......on different parts of the planet!! ;) And I run an '8'. You've seen mr. r's posts regarding the same bike, the same day, the same track.....but what you get with different riders? Check it out @: [url]http://www.dirtrider.net/forums3/showthread.php?s=&threadid=60392&perpage=20&display=&pagenumber=1[/url] This is a GREAT thread for understanding why you cannot jet 'thru the mail'. .....and it even comes with pictures!!!!!! [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
"7" Range Plug
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