Hi
Welcome aboard
Pleased to meet you
You have a QMB 139 thats the standard for most chinese 4 stroke 50 cc engines used on scoots
Also know as a GY6 they come in different piston displacements
http://en.wikipedia.org/wiki/GY6_engine
Take care and ride safely
Yours Hank
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![](image.php?s=1eea410b481f135391eabff52e66804e&u=22414&type=sigpic&dateline=1495417444) "4wheels move the body 2 wheels move the soul"
Duty, Honor, Country. Those three hallowed words reverently dictate what you ought to be, what you can be, what you will be.
Douglas MacArthur
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