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Old 12-09-2004, 02:04 PM   #1
ktmnate OP
Beastly Adventurer
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Joined: May 2003
Location: Somewhere
Oddometer: 3,058
LC4 Adventure Carb problems?

I recently did the "Flanny" carb fix which fixed everything except the top speed. My bike runs great starts right up but won't go over 85mph. Yea, yea, I know it's a dirt bike and shouldn't be going that fast. But it did before I tinkered with the carb. Here is what I have:

Drilled out the exhaust with 12 plates
carb needle moved down one position (raising needle)
162.5 main (I also tried 152.5 and 157.5)
2.5 coils cut off the slide spring
drilled out the slide
KTM hard parts air box cover
1.1 air jet

I have checked the slide and everything looks like it's working. The slide goes up and down without any binding. I checked the carb vent and breather. Looking at the parts diagram, I am missing a "throttle stop". If I remember correctly, the throttle stop just keeps the power down by keeping the slide from comming all the way up. Would anyone have any sugestions/Ideas. I am at a loss.

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