What can I do about a Kymco scooter that won't keep running?

by Dave
(Tucson, AZ)

I have a 2010 Kymco LIKE 50 with 680 miles on it. The carburetor was replaced in the summer of 2011 because of the following problem. It would start right off and rev up nice and strong, however I could not keep it running. Afterwards, it would not start unless it sat for several hours.

Local technicians replaced the carburetor, kicked up the idle a bit and it ran fine for a couple of months. Now, it's doing the same thing. I've been late for work 3 times in 10 days!

What is happening here? I need something dependable or a refund.

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Feb 04, 2012
by: Jim Zeiser

I would start looking for vacuum leaks. Spray around the carburetor with WD-40 while running and see if the engine speeds up. I had a bad O-ring in my intake manifold and found it that way. It runs until warm because the choke covers the problem. Once the choke kicks out your scooter is getting too much air to run from the leak.

Also check your valves. If they're too tight it could also not run when warm.

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