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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.

2 stroke clutch not engaging


Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle Trouble Shooting forum. Well i finished my 50cc happy time build... i got 40 miles on the motor and now i am having ...
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Old 08-07-2008, 12:46 AM
Motorized Bicycle Builder
 
Join Date: Jul 2008
Posts: 23
Default 2 stroke clutch not engaging

Well i finished my 50cc happy time build... i got 40 miles on the motor and now i am having clutch problems. When i try to engage the engine it acts like im still slightly puling the clutch and wont turn the engine over.. but when i push the arm out with my finger and pedal it starts but not a lot of power... i believe there is something wrong with my clutch adjustments... i have tried readjusting it but no luck... any advise or tricks or solutions to my problem would be super sweet....
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Old 08-07-2008, 11:27 AM
misteright1_99's Avatar
Master Motorized Bicycle Builder
 
Join Date: Mar 2008
Location: Treasure Coast, Florida
Posts: 594
Default Re: 2 stroke clutch not engaging

The stock cables stretch quite a bit and mine was frayed from being new. If you cant adjust the cable you prob need to adjust the star nut under the right side cover....
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Old 08-07-2008, 04:21 PM
Bikeguy Joe's Avatar
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Location: Ashtabula county, Ohio
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Default Re: 2 stroke clutch not engaging

Take out the screw, turn the flower nut in one turn, try it.

Better yet, clean the pads with some spray brake cleaner. Works like magic.
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Old 09-13-2008, 04:25 AM
Motorized Bicycle Apprentice
 
Join Date: Sep 2008
Posts: 16
Default Re: 2 stroke clutch not engaging

Question:
I am having a similar problem - how do you turn the flower nut?
I have found the darn thing, but i dont know how to turn it
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Old 09-13-2008, 08:51 AM
Bikeguy Joe's Avatar
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Default Re: 2 stroke clutch not engaging

Remove the small screw that holds it in place. Then, pull in the lever and lock it.

If your clutch is dragging, that's a waste of time. You will want to remove the cable end, adjust the cable adjustment at the lever and the engine to the middle of their respective adjustments, then have a helper push the arm until good resistance is felt. Re-install the cable end.

That will usually do it.
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