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post #10 of (permalink) Old 06-02-2010, 09:08 AM Thread Starter
Joined: May 2010
From: Chicago, IL

Posts: 18
All four idle mixture screws (under the removeable brass caps) were installed correctly. None of them popped out. Each needle has the required spring, washer, and rubber o-ring on it.

After the carb cleaning, I set each of those four needles at an initial 2 1/2 turn setting. The RPMs were hanging up at that setting. It got worse as I turned the screws in, and better as I brought them out to 3+.

You mentioned the carburetor clamps. I guess it's possible that one of those are loose as I tried not to overtighten them. I will check those out again. How tight should they be exactly?

Also, the pilot needle height is something I did not check when the diaphragms/sliders were out. Is it important to know what height they're at?
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