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Motorized Bicycle Trouble Shooting Use this area to post problems that may arise, if you could use some help in figuring out what is wrong with your engine and what needs to be done to achieve top performance.

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  #11  
Old 05-15-2017, 06:41 PM
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crassius crassius is offline
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Default Re: Wont start. Has a new carb and pipe.

doubt the pipe makes much difference as long as it's not clogged - I loosen pipes 1/8 inch or so to test

could be carb, but sounds a bit like a weak CDI
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  #12  
Old 05-16-2017, 02:28 AM
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Default Re: Wont start. Has a new carb and pipe.

Plug is fouled, try a new plug gapped to about .031. Lean it up a bit I think too
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  #13  
Old 05-18-2017, 10:47 PM
Amarion1 Amarion1 is offline
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Default Re: Wont start. Has a new carb and pipe.

Quote:
Originally Posted by Tony01 View Post
Plug is fouled, try a new plug gapped to about .031. Lean it up a bit I think too
I was just thinking the same. But maybe could try cleaning the plug and checking gap. May not be gapped enough
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  #14  
Old 05-20-2017, 12:45 AM
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Default Re: Wont start. Has a new carb and pipe.

Don't forget to check for leaks, at the carb/intake connection and at the intake/intake manifold connection. Make sure you are getting fuel, is the spark plug wet?
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