HMF Jetting
??? can you call them?
do they have a tech line
fmf and procircuit do thats why i ask
? wide open -bigger main -there only a couple bucks ,get the 2 next bigger sizes
try a next size bigger pilot jet as well leave the needle alone
ride it and check the spark plug,
black = rich jetting
white= lean
need -tan, but for wide open a little rich is better ,lean will cause bad things
good luck
the needle--- top clip is the leanest ,and bottom is the richest position
from what i have noticed there good in the 2nd position ,but there are alot of different needles and they have different tapered designs
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