If cold, starts and idles fine. It will idle indefinitely, but once you take off it runs for about a city block and then dies and won't re-start. If it sits until completely cold, starts fine and same thing will happen when you try to ride it. I have installed a new carb, new plug (plug is not wet and perfectly tan), cleaned air cleaner, check vacuum valve on the tank. I'm stumped!
SOURCE: 50cc Two Stroke Scooter Engine - Poor Idle
I had the same problem- from out of nowhere the scooter started dying at every stop. I adjusted the idle screw to 2000 and it still idled up and down. I bought some injector cleaner but this will take a while to work (several tanks of gas) and then found this link- seems to be a very simple thing to do once you read this link. I hope it helps. --
SOURCE: engine dies after it warms up good.
in the bottom of your carburator there shoud be a little plastics pieceand usualy it gets in the way of the float i take them out of carburtors all the time and usually it block the float so it floods out the motor i just found a picture on google of something like it. try taking that out and put ur carb back together like thate
SOURCE: I have a 150xcc scooter, water cooled,4 stroke
sometimes tight valve lash clearance will cause problems. Low compression?
SOURCE: Fuel Problem? I have an 8N that starts and
if you find the answer please e-mail me i have the same problem with my jubilee i've not been able to work on mine due to some fuel tank problems my e-mail is [email protected] thanks
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