hello i am thinking bout getting a engine but dont know whichone to get im thinking about getting a z box (66cc) but what about what sky hawk. please help 
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help
- Thread starter crf250-wr250-697
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hello i am thinking bout getting a engine but dont know whichone to get im thinking about getting a z box (66cc) but what about what sky hawk. please help i think that almost all china engines are junk but they seem to work well just change a few bolts and keep an eye on everything and go ride if you take it to the next level its a different ball game just like any hobby start off small and simple and before you know it you got a 2000.00 bike with a motor on it have fun and just do it 
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