1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

carb idle mixture and idle screw?

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Old 02-14-07, 05:24 PM
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carb idle mixture and idle screw?

does anyone have good starting points for both the idle mixture and idle screw? i.e. number of turns out from closed. screws were all akimbo from the prior owner adjusting them. thanks !
Old 02-14-07, 05:38 PM
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Find Trochoids profile and click onto the FSM.
Old 02-14-07, 05:46 PM
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Also, up in the FAQ (if you have a Nikki) there's https://www.rx7club.com/showthread.p...hreadid=310927

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Old 02-14-07, 09:41 PM
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Or do a search. Oh wait, you've only been in this forum for 3 years. You probably haven't heard about the search button.
Old 02-14-07, 10:00 PM
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FTW:

Mixture: Gently go clockwise all the way in, then go three turns out.
Old 02-14-07, 10:33 PM
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The FSM carb manual doesn't really help. I would personally like to know what is considered a turn? A full 360* or just 180*? This is stuff that should be addressed in simple terms for new members and re-archived
Old 02-14-07, 10:43 PM
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you want to go 1 1/2 turns out... that would be 3 180 turns.... all tho that is only a rule of thumb to get you close. you will have to do more or less till you get it spot on

cheers PaTricK
Old 02-14-07, 11:08 PM
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One turn would equal one "complete" turn (360 degrees). This will get you started, then there are methods of fine tuning beyond that. Sterling had a very thorough write-up on the procedure, which I believe can be found in the FAQ section.
Old 02-15-07, 07:05 PM
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i read those faqqs and just wanted a basic starting point which i didnt see in the faq or a search. see wasnt hard to say "go 3 turns out" thanks guys!
Old 02-15-07, 09:37 PM
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I can see how you might have missed it in the FAQ. It was hidden under the obscure title of "How to tune a carb".

https://www.rx7club.com/showthread.p...hreadid=310927
Old 02-16-07, 09:24 AM
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^ lmao. Plus Duble Durty already gave the link to that thread in the above post. In all fairness the FAQ question is the even more obscure "How to adjust the idle on a nikki carb" I didn't want to say anything...
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