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Discussion Starter #1
Hi, new to group. I just picked up 09 Kfx 450r, +3 hot rod, 98mm Cp piston, hot cam, fuel custom intake, open air box, full titanium fmf power bomb 4.1, Dynajet PC5, PC auto tune. After its warmed up and I take for a ride , hit the throttle and sometimes it shits and pops for a couple seconds but clears up and rips fine. Once in a while I'll get a clear ride and says smooth thru the gears. Please help! Thanks for the post
 

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Mine did this with a failing coil.

Could also be fuel pressure
 

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Discussion Starter #3
There's currently a jeep coil in it, what one would you recommend? I plan on checking the filter/ screen on the pump as well. Thanks for the info
 
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