butterfly

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  1. S

    Butterfly removal

    Has anyone done it...is it possible ? I was thinking of getting all brackets in the carbies yellow zinc plated and dont want to not plate the pivot parts attached to them. Any thoughts ??
  2. Tommygun4u

    Did I lose performance from removal vboost butterfly?

    I haven't taken things apart to see what I have but guy I got my 90 model from said they did 1280 kit, stage 7 and removed vboost butterfly. I hear vboost cycle when ignition turned on but no "boost" feel. Does this hurt my performance? Should I fix it? The cyl has a scratches mark in it, he...
  3. Drew85

    Butterfly valve screws stripped

    A few years ago I put 1300 venture carbs on my vmax, I swapped everything over(including the butterfly valves) from the vmax carbs to the venture carbs. Now that I'm rebuilding the carbs and putting in morleys jet kit in I noticed some of the butterfly valve screws are stripped. I figure the...
  4. Diablotin

    Vboost butterfly issue

    I was looking at the reason of my bad mileage and smell issue and i just found a small canal preventing the butterfly from closing fully. Any idea how I can fix that? Looks like this part of the assembly can not be bought separately... The copper part might be damaged as the alloy cylinder...
  5. D

    Carb #1 Butterfly gap

    So I understand that the butterflies should be "barely not closed" when at rest. I'm guessing this is so the bike will idle. I'm wondering if there's a prescribed amount that I might be able to check with a feeler gauge so that I know that carb #1 has its fly open the right...
  6. J

    throttle butterfly part #

    i recently bought a 1993, sorry no pics yet. currently installing kerker and stage 7. I have a parts donor set of carbs off ebay and may need to use one of the carb bodies. there is a different part # on the butterflies. one is a 125 and the other is 130. is one bigger? are all carbs...
  7. MoPure

    leaking gas from butterfly shaft

    I checked fiche on ronayers to see if there were replacable bushings or something for the butterfly shafts but didn't see anything. I'm leaking at the ends of the shafts on a couple carbs. Are there bushings in there or do the shafts ride directly in the carb body? If bushings, where do you...
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