Charlie I think @
ducatiman is a good address to talk about carbs.
Maybe here can you could find also some information
http://forums.ninja250.org/posting.p...&t=80222&tro=1
Note:
"current setting for the cvk32's
main: keihin 112's (most likely best, i will try 115's)
pilot: keihin 38 (staying put)
needle: factory pro 4th groove (i will try one washer under)
fuel screw: 3.5 turns out (i'll try another 0.25-0.5 turns out)
as for "is it more powerful?" i'd have to say yes."