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Old 06-02-2004, 12:11 PM   #1
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Join Date: May 2004
Posts: 2
Default RB idle-needle adjustment

Im going to adjust my idle-needle on a rotary carb and i read this at the faq at RB hompage:

the idle-needle must be turned in totally(be sure you position the slide in the open position before you do this, so you do not damage or block the needle in the spray-bar) and then open again 2.5 turns. "

Should i open the throttle, then turn the idle-needle in (clockwise) untill it stops, then turn it out (counterclockwise) 2,5 turns ?
If i do this the idle-needle will hit the spraybar when im closing the throttle.

Wouldnt it be better to adjust the needle when the throttle is closed?
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Old 06-03-2004, 04:46 AM   #2
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Join Date: Sep 2003
Location: Lancashire - United Kingdom
Posts: 101

The RB web site also tells you how much gap to set the slide at for idle.

If you have the idle gap set correctly and the bottom end needle at 2.5 turns it will not touch the spray bar when the throttle is closed.
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