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Old 07-26-2008, 04:25 PM
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misteright1_99 misteright1_99 is offline
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Join Date: Mar 2008
Location: Treasure Coast, Florida
Posts: 716
Default Re: Couple of Carburetor Questions

Originally Posted by kenlani View Post
Hi all, I finished my 49cc install, having a ball with my bike but need advice

Im at 5700 feet altitude and think Im gonna have to do some jet work so I have a couple questions;

---when I replace the main jet (I'm going smaller) do I have to replace the needle too?

---how much of a gap should the slide in the carburetor have at closed throttle (idle)?Thanks all for the help
1) You wont have to "replace" the needle, just adjust up or down probably......

2) I dont believe there is a standard measurement, whatever it takes to feed enough air to the fuel for idle.....
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