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Old 10-24-2018, 01:45 AM   #7
Megadan   Megadan is offline
 
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Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,027
I agree, too Rich on the main. My last Hawk had similar behavior when I tried a 120 main with full exhaust, pod filter, and upgraded NGK Iridium plug gapped to .034 and upgraded coil. I found a 115 to work the best on hotter summer weather, and a 117.5 for cooler months. This effect can be even more prevelant if you are running a tad on the lean side with the needle jet. If it goes from a bit lean to a bit rich fast enough, this will cause a stumble as well. If you can raise the needle another notch, see how it acts. Otherwise, swap out the main a half or full size lower.
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