SOHC.co.uk Forums > CB350/400
Gummed up Carbs and modern fuel
exvalvesetdabbler:
I guess from the reply above that the emulsion tubes aren't in the keyster kits. I emailed nrp carbs and got a reply saying that the needle is there, because I only need the needle and tube I might have to bite the bullet and order the OEM ones from Dave Silver.
The pilot circuit is separate to the main jetting but I assume that at low throttle settings where the vacuum is still high, it was sucking a bit from the main jet which was swamping and small changes you would expect to get from twiddling the pilot air screw.
Regrds
Dave.
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