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05-14-2015, 04:37 PM | #1 |
Join Date: May 2015
Posts: 1
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problems with scooter after head replacement
I just replaced the head yesterday due to broken exhaust stud. I replaced the exhaust with a performance exhaust from ebay. Also rejetted from 108(stock) to 120. Now it kinda bogs when I rev it and when I go WOT and hold it, it acts like I'm going open/closed/open/closed. In the video I go immediate WOT and hold it until I stop video.
Any ideas? Here is youtube video. |
05-17-2015, 03:46 AM | #2 |
Join Date: Feb 2015
Posts: 121
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Did you re-adjust the air/fuel mixture screw yet?
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05-17-2015, 12:21 PM | #3 |
Join Date: Nov 2013
Location: Orlando, Fl.
Posts: 75
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Head replaced
The jetting change was Far too large. Go back to the 108 and try it. If drastic improvement then go up in size. I would imagine a max of 115 but it's really trial and error. Check the plug to achieve the best jet for your conditions.
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