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Old 04-12-2014, 05:30 PM   #28
scooter   scooter is offline
 
Join Date: Feb 2014
Posts: 105
The reason why mine used to goof up if overfilled is because the vent to the fuel tank goes through the emissions system. It will get raw fuel into the "charcoal" canister which makes it's way into the vacuum line and the scooter runs very very rich until the tank level drops and the evap system drys out. I fixed mine so it will never do that again.
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