Ieat4strokes Posted May 16, 2009 Report Posted May 16, 2009 im runnning 28mm pwks with 50 pilots and 162 mains.......just got a drag port done and wanted to know if i needed to change jetting? i made a couple passes in the yard and checked them and they are more of a light grey charcoal color innstead of the brown they were before the porting..... thanks Quote
TwistedSheeRida Posted May 16, 2009 Report Posted May 16, 2009 yes you just opened up all the ports so you need to fatten it up Quote
Darthwall Posted May 16, 2009 Report Posted May 16, 2009 yes it does by the sounds of it go and start out at 164's and run it again and see what its at Quote
RIPPEN Posted May 16, 2009 Report Posted May 16, 2009 Anytime you do anything to increase the volume of air flow(carbs, porting, pipes, ect) you need to atleast check jetting and usually bump it up a little.. RIPPEN Quote
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