muggzy Posted May 27, 2011 Report Posted May 27, 2011 (edited) Hey guys, I just went from 22cc (145psi) to 21cc domes (158psi). Why would this change my jetting. The power is definitely up but I noticed a there's a lag in the mid today. I picked up some needles from my buddy's shop and I'm gonna adjust my mains (richer?). So OK it's gonna run hotter but I didn't increase air flow through the thing so why would I need to re-jet? Edited May 27, 2011 by muggzy Quote
camatv Posted May 27, 2011 Report Posted May 27, 2011 more compression means needs more fuel or more detonation resistance.. Quote
Zwiser Posted May 27, 2011 Report Posted May 27, 2011 with the added compression it draws more fuel/air in, and needs a bigger jet to compensate for the added need for fuel/air. Quote
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