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50cc chinese 2 stroke scooter wont run after it warms up

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!

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  • Toys Master
  • 9,742 Answers

It's possible there is excessive wear on the piston rings.

Posted on Aug 13, 2017

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6ya6ya
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Posted on Jan 02, 2017

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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. --

Posted on May 19, 2009

BTK127
  • 9 Answers

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 thatee760e91.jpg

Posted on Sep 10, 2009

  • 43 Answers

SOURCE: I have a 150xcc scooter, water cooled,4 stroke

sometimes tight valve lash clearance will cause problems. Low compression?

Posted on Dec 31, 2009

  • 1 Answer

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 ky.hammer@hotmail.com thanks

Posted on Jul 05, 2010

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