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KTM MX & Off-Road Dirt Bikes
I have a problem KTM 250SX
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[QUOTE="skiboyracing, post: 1152314, member: 66492"] IMO, Run the bike until it's up to temp and cleaned out. Then put a new plug in it and run it wide open through all 5 gears and hit the kill switch while you are stopping. Get off and pull plug right there in the road. If it's all wet and/or black, drop down 1-2 sizes on the main and see what it does. If it's white then go up on jets. The plug should be dry and the porcilin should just be turning a nice brownish color. Your probably going to get some spooge on a 2t regardless but you should do a plug reading to get your a/f correct. I wouldn't go any leaner than 40:1. Personally I like 32:1 [/QUOTE]
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Dirt Bike Discussions By Brand
KTM MX & Off-Road Dirt Bikes
I have a problem KTM 250SX
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