Clinician
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Post by chong49cc on Apr 7, 2017 0:47:40 GMT -6
2010 chongquing 49cc. When I fill my tank it will over flow out the filler neck after sitting for a few minutes. Does the gas expand? I can figure it out
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Doc's Anything Goes
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Say no to scooter abuse
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Post by jct842 on Apr 7, 2017 9:13:45 GMT -6
Probably some sort of air bubble, any way don't fill it so full. There is a metal restriction in the neck, filling it above that will get gas into the carbon polution filter or what ever they call it and cause other problems.
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Certified Clinician
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Post by elcamino121 on Apr 7, 2017 11:01:39 GMT -6
Yes gas will expand. cold in the ground, warmer in the tank.
Also its possible engine heat may contribute to this effect.
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Post by cyborg on Apr 7, 2017 20:27:16 GMT -6
What he said
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Clinician
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Post by chong49cc on Apr 8, 2017 14:53:45 GMT -6
I thought expansion as well. when its really low on gas and you fill it. you can hear bubbles but idk. I guess the simple answer is not to fill it up as much.
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