Quote:
Originally Posted by BigBad250
...And I also have the carbs running wide open, no airbox hooked up.. I've noticed a decrease in performance. And by "decrease" I mean at WOT it tops out at 7K rpms and it just feels really laggy. I'm assuming it's because it is now getting too much air and not enough fuel? I figured the jets were designed to be used with the restriction of the air box. Can anyone verify this for me?
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I suspect you are correct. I suggest you install the next size larger main jet, and see if engine performance improves. If so, continue installing the next size larger main jet until the performance stops increasing.
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Spud
"Never argue with an idiot. He will drag you down to his level, and beat you with experience."
Mark Twain
2015 Zongshen ZS250GY-3 (RX3)
2006 Zongshen ZS200GY-2 (Sierra 200)
2005 Honda XR650L
2004 Honda CRF250X
1998 Kawasaki KDX220
Mods made to my Zongshen ZS200GY-2:
http://www.chinariders.net/showthread.php?t=6894