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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
TTR125 Jetting.. do IT!
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[QUOTE="atc3434`, post: 457827, member: 25493"] I think you want to go clockwise to up the idle. So it runs, but won't idle? Yeah, that sounds like idle speed and air screw. That carb acts really funny at very small throttle openings unless its right on. You may need to fiddle with the air screw, I'm not sure how much out it should be. I guess I would start at 1 and 1/2 turns out and work from there. And on the idle screw, a little turn makes a big adjustment. I'd have somebody keep it running by blipping the throttle, just little revs enough to keep it alive. Then start turning out the idle screw untill you can tell its idlling up high, then back it off to where you want it. If it gets rough as you back it down, get it in a spot where it will stay running, but roughly, and then start opening and closing the airscrew to find a sweet spot. Then bring the idle down the rest of the way. Just don't set it too low. I don't have the manuel at the moment, but I'll grab it Sunday (I hope) and make a few copies of the carb stuff. Anything else in there you want? Don't worry about expenses, I'll just e-mail them to you as jpegs or something. [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
TTR125 Jetting.. do IT!
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