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recommended jetting for Colorado.

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Im sure this has been talked about but im to lazy to search. can anyone give me some jet sizes I need to run in Colorado in a 02 KTM 520 with a pro circuit slipon. we will be riding in Gunnison if that helps.

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Make it easy on yourself. Order the JD Kit.

I fiddled and faddled with my 07' 525 riding at 8500 in Colorado. Never got it quite right til I spent the $70.00 and rode with team JD.

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thanks, I knew that is the answer I was gonna get. I know I need to get that kit. I just didnt want to spend the money on it right now. Im already spending alot to get ready for this trip.

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Try a 165 main and adjust your needle from there. If your accelerator pump squirt is too long the bike will bog a little more than normal. If you're riding Taylor the altitude varies between about 9000 to 13,000 with temperatures between 40 and 85. It's kind of hard to be perfectly jetted at all times.

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