badger223 Posted November 9, 2011 Report Share Posted November 9, 2011 hi guys i have a 4mm strocker long rod bored .040 over cool head 145 psi 21domes t5 ext done porting by eric gore dynotech.vf single pwk keihin 35 k&n open filter. ride at glamis can you help me with needle main & pilot jetting. thanks guys Quote Link to comment Share on other sites More sharing options...
mrdoorguy Posted November 10, 2011 Report Share Posted November 10, 2011 IM RUNNING A 205 MAIN. NOT SURE OF NEEDLE. I ALSO RIDE AT 4000 FT THOUGH. ILL FIND OUT NEEDLE TOMORROW. AND PILOT SIZE. Quote Link to comment Share on other sites More sharing options...
trickedcarbine Posted November 10, 2011 Report Share Posted November 10, 2011 The 2/1 setups are usually a bit tricky to learn because there are 2 cylinders pulsing the carb. It makes it all the more critical to jet spot on, so that the motor will pull thru the whole rpm range without funny spots. Try swaping to an EEK needle. It is a pretty common choice for two cylinder motors with a single carb, and it helps the transitions from pilot, and coming on to the main. Quote Link to comment Share on other sites More sharing options...
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