What could be the reason my spark plug keeps shutting off?

by Levi Pintz
(Prairie du Chien, Wi, USA)

Every time I try to start the moped, it gives a spark for a bout 1-2 secs and than nothing after that. Then if I turn the key off and turn it back on it will redo it.


What could be the problem? I've replaced the spark plug and the ignition cord is good too. 50cc made in China.

Comments for What could be the reason my spark plug keeps shutting off?

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May 22, 2010
Loose Wires
by: Jim Zeiser

Many China scooters are plagued with bad connections. The best thing to do is go around and check by taking the plugs for the CDI and ignition coil and pulling them apart and plugging them back in. Sometimes there's corrosion and this will fix it. Also tighten any screws associated with the ignition system and check your grounds.

May 21, 2010
Spark plug problems
by: Izzy

It sounds like the stator is shorting out. Or you have a short in your wiring harness. I would start with the stator. They seem to go out quick on stock China made scooters.

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