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calvynandhobbs

110cc moped not sucking fuel

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How's the compression? I don't know anything about those engines, but maybe a valve hanging up or jumped timing? To go from running to dead doesn't really sound like a fuel issue. 

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1 hour ago, Matt Blain said:

Is the carb gravity fed or is there a vacuum actuated fuel pump on the moped somewhere?

I’ve looked for a pump, but don’t see anything that resembles the pumps I’ve seen online so I think it is just gravity feed. What I still have a problem with is that when it quit I was doing about 20mph, down shifted and it backfired and quit. Hasn’t started since. 

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4 hours ago, Jon W said:

Any possibility that there was a vacuum diaphragm pump in the carb?

Possible. Not going to get a chance to look at it more for a couple days now. Other things I have to get done. 

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