rsmith95uk
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| posted on 9/6/10 at 10:06 AM |
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Carb Tuning
I've seen reference to lifting needles in relation to tuning/checking bike carbs. I understand how to lift the needles and that it will
determine whether the mixture is too rich or lean, but am unsure what symptoms I am looking out for when doing so. Can anyone point me at a guide
that I can use please.
Cheers
Ray
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BenB
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| posted on 9/6/10 at 10:18 AM |
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Realistically it's difficult to ascertain whether you've gained or lost (or whether you need to in the first place) by shimming the
needles without access to a wideband lambda or a rolling road.
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matt_gsxr
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| posted on 9/6/10 at 10:24 AM |
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this is a useful link
http://www.factorypro.com/tech_tuning_procedures/tuning_carbtune,cv,high_rpm_engines.html
Nothing in this write-up requires a lambda probe, but obviously it would help a lot to have one and would avoid going in the "wrong
direction" with any changes.
Matt
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coozer
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| posted on 9/6/10 at 10:24 AM |
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This may explain it. Its a single CVK 40 from a KLR single but is the same just x by 4.
http://www.nighthawk750.com/maint/keihincarb.html
1972 V8 Jago
1980 Z750
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