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Thanks for that. I have replaced these on Hondas before but it is considerably more difficult to get to on this bike. I am thinking it is not worth the trouble. However, if I need to get into the bike that deep for a different issue I will be taking care of the fuel sensor as well.

Greetings and thanks for the help.

Let me start off by saying I have owned and worked on several scooters, mostly mid 80's Hondas but some Chinese bikes as well along with chain saws, lawn mowers, etc. Two stroke and four stroke.

I have a 2012 Taotao 150 that for the most part runs great. It starts easy, idles normally and runs smoothly. Everything on the bike works except the fuel gauge. It always reads empty.

The only time the bike deviates from this is after I put fuel in the tank. The bike will start normally initially but will start to sputter and will eventually stop running unless I really give it the gas. When I let off the throttle it will die and be very hard to get going.

Eventually (days later) this behavior seems to go away by itself and the bike goes back to working just fine.

I've gone through the carb. It was spotless. I have run some Seafoam through a couple of times so I think I am good there.  The fuel and vacuum hoses all seem good with no dry rot, etc.  The inside of the gas tank has no rust or sediment. The fuel I am using is low ethanol super unleaded.

Any ideas or suggestions are greatly appreciated.