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I bought this scooter and it was running fine first couple days then it started flooding out worse each time I rode it. I took the carburettor off and was going to check the float when I notice the housing on the carburettor where the float is was cracked. I guess the last owner tighten the screw down to much to crack the housing. This gave me reason to buy a new one. I put the new one on and now I can’t get it to crank

Hi, Here is a link to the service manuals for Jonway cycles. Select your particular engine and download it. Hopefully it will help you solve your problem. http://www.carlsalter.com/jonway-service