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Dirt Bike Brands - Other
Jetting one more time 300mxc
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[QUOTE="Strick, post: 27058, member: 16681"] 1466J I have found the 1367N (CGH) to be the right needle for my 300. This needle has also performed very well in at least 3 other bikes that I know of, all at different altitudes, and humidity ranges. James Dean is the king of jetting in my book (PERIOD). I have never become acquainted with anyone who knows more. There is one area that I do differ greatly from James Dean; jetting for differing altitudes and temperature. We do agree, and James has become quite the crusader, on mixing race fuel with pump gas for ease of jetting and improved performance on KTMs. I used to run 2gal race (110 sunoco - purple) to 3gal pump (92 oct. chevron). I now just run it 50/50 during the race season. I use Mobil MX2T 40:1, for my premix. It burns clean, and doesn't have a foul smell that makes my 4 stroke friends mad. I live at high altitude (4500') and ride very high altitudes (up to 9000' regularly)in the hot months. We have 4 seasons here in northern Nevada, especially where temperatures variations are concerned. I rejet my bike every season. I also rejet my bike prior to racing based on weather forecast. I know quite well that I take this jetting this too far. But, my bike always runs as well as it can run. My jetting is never off for more than one ride. Because I live at higher altitudes than most of the board members, and the fact that we have almost no humidity, it is hard for me to help with spot on jetting, like I can in my neck of the woods. Anyway, there you have my 2 cents. And James if my advice is wrong, feel free to slap me around like a rowdy stepchild! Good LucK ------------------ Strick '99 KTM 300mxc, AMA & BRC member [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Jetting one more time 300mxc
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