Why is there an Intermittent Spark on Cheap Chinese, Sun L 150cc Scooter?
by Kevin Coakley
(Hot Springs, Arkansas)
The scooter will run a while then die. Spark plug has no fire to it. We have tried a new coil, new battery and magneto. This has not fixed the problem.
We found a remote anti-theft device that says microcomputer security that could be bad. If this is the problem, then we are wondering how to wire around this device.
This scooter was bought at an auction and only has one key. It has had a charging problem ever since we had it. After it is used for a couple hours it has to be charged to start up again. We have replaced the battery, but the problem persists. It's putting out about 12.4 volts on the voltmeter.
Are there any solutions to fixing this problem?
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