its easy just call or email sudco, tell them what carb you have and what is done to your motor and they will give spot on jetting.
works every time
Full coustom 1988 trx 250r W/CPI sphinx LED 310 PV,fullbore,laeiger works suspension,the list goes on and on
2009 trx250r pro-cross 310, laeiger a arms and swinger,pep suspension by jet racing,shiney and anodized
1986 trx250r woods build in progress
2005 trx450r -sold-
2007 yfz450 -sold-
2008 trx450r -sold-
2007 ltr450 -sold-
why did I sell the 4 pokes you ask? ride a 60hp trx 250r in the dunes that weighs 100 lbs less and ask again.
2005 400ex wifes woods bike, fcr,white brothers full pipe,a few other mods,pep suspension by jet, gt thunder rear link
2004 crf 250r set up for woods
2006 rmz450 set up for sand