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

NO Start


Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle Trouble Shooting forum. OK, so here is the story, I just finsihed the complete installation of the 70cc 2 stoke. After many many ...
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Old 07-02-2008, 03:47 PM
Motorized Bicycle Builder
 
Join Date: Jun 2008
Posts: 42
Angry NO Start

OK, so here is the story, I just finsihed the complete installation of the 70cc 2 stoke. After many many hours of pure frustration, come to find out i cant get the thing started. Not sure if if installed the throttle right( VERY VERY cheap by the way) doesnt seem to feel like a throttle lots of slack. I took the bike out for what i thought to be s spin and nothing happened. Im taking a few hours to break then ill be back at it. Any suggestions for the next steps to get this thing running. Oh yeah and who can tell me where to get a good throttle. Thanks ladies and gents
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Old 07-02-2008, 06:21 PM
Master Motorized Bicycle Builder
 
Join Date: May 2008
Location: north bend wa.
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Default Re: NO Start

hey 08; for the carb. take off air cleaner, look inside, is it moving all the way up and all the way down, if try to adjust cable at carb and twist grip. is the petcock open, does gas come out if you pull gas line off at carb? if all is good go to elec., disconnect kill switch. after that you can pull spark plug, pour in a little gas. put in plug and pedal..good luck and let us know mitch
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Old 07-02-2008, 06:29 PM
Master Motorized Bicycle Builder
 
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Location: north bend wa.
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Default Re: NO Start

hi; is throttle moving slide in carb? does gas run out if you pull gas line off carb. pull spark plug, put a little gas in then plug then pedal. does it pop, if not remove kill wire. good luck.
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Old 07-02-2008, 06:36 PM
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Default Re: NO Start

I say ditch the switch.
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Old 07-02-2008, 08:01 PM
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Motorized Bicycle Builder
 
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Default Re: NO Start

Some of these engines need a little help making compression when new. The piston ring has not seated yet. To help it out on first start, Try pooring a little less than a cap full of your favorite 2 stroke oil down the spark plug hole. throw the plug back on and fire that baby up quick. I think that should be a step in the instructuions myself.
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Old 07-02-2008, 08:04 PM
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Default Re: NO Start

Take plug out, hold against cylinder head carefully - turn engine over - got spark?
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Old 07-02-2008, 11:38 PM
Motorized Bicycle Builder
 
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Default Re: NO Start

OK thanks guys i will do that tommorrow. How do I turn the engine over with out pedling.
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Old 07-03-2008, 05:27 AM
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Default Re: NO Start

Quote:
Originally Posted by Bikeman08 View Post
OK thanks guys i will do that tommorrow. How do I turn the engine over with out pedling.
Elevate the bike. NO spark plug in hole - should turn over easily.
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Old 07-04-2008, 05:34 PM
Master Motorized Bicycle Builder
 
Join Date: May 2008
Location: north bend wa.
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Default Re: NO Start

hi; i just posed a question about an old school bike stand. if you had one it would be able to push it down and raise rear end of bike straight up, enabeling you to get on and start your bike, or at the least spin the motor over for diagnosis and tuning. maybe someone will know where they are.
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