Garyd
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| posted on 8/6/11 at 06:33 PM |
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Brain freeze on my bike carbs
Hi,
Can someone confirm my thinking please... On my bike carbs there is 3 grooves to adjust the needle height, (I have done a search but couldn't
find the answere) will these change the mixture under mid range running if adjusted and if so is the top one (Farthest away from the needle) the
leanest setting and the lowest one the richest. I only think this as it seems logical that the higher the needle the more fuel.
Hope someone can clarify as I think that I have thought too much into it and my brain has seized.
Many thanks
Gary
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coozer
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| posted on 8/6/11 at 06:38 PM |
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Yep, mid range and top one is leaner and bottom groove is richer.
1972 V8 Jago
1980 Z750
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Garyd
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| posted on 8/6/11 at 06:40 PM |
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Thanks for the fast reply. off to the garage for the evening now
Gary
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ragindave
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| posted on 8/6/11 at 07:01 PM |
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Carbs
I thought that raising the tapered needle would increase fueling in the mid range making it run richer!
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Peteff
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| posted on 8/6/11 at 07:35 PM |
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quote:
Originally posted by ragindave
I thought that raising the tapered needle would increase fueling in the mid range making it run richer!
And if you put it in the bottom groove you will be raising the needle as stated above. Not only your brain froze Gary 
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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will121
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| posted on 8/6/11 at 07:37 PM |
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quote:
Originally posted by ragindave
I thought that raising the tapered needle would increase fueling in the mid range making it run richer!
That is the case as coozer says if you put the C clip in the bottom grove it raises the needle making it richer in top grove its lowered and leaner
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