bike not moving

ok so I just got finished building my motorized bicycle, whenever I disengage the clutch and try to pedal, it's impossible , it's like it's stuck or something, also when I pedal I hear air hissing out of the motor, I made sure the chain wasn't getting stuck and it's not the chain,can anyone help me?

Take the clutch sidecover off and tap arround the flower nut to release the seized clutch plates . The hissing is ok thats the engine breathing.

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adjust the clutch,or it might be stuck too.
it works better after you use it awhile.

oliva bear is correct
do it and it should work

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I'm having the same problem - The rear tire will not move regardless of the clutch position. Do I have to take off the clutch plate cover and unscrew the small screw to fix this somehow? This is my first build, and I nearly got the engine started, but the clutch would keep seizing while in the free pedal position.

Are you sure the cable is adjusted right and pulling the arm over enough? Can you disengage the clutch by pushing the lever over to the right?

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If it ain't broke, and you mess with it long enough, it will be.

That was my first suspect and even If I push the arm all the way the bike won't move. I can take off the protective plate on the other side and have the friction plates exposed - still no action. The chain looks good too, no bunches or anything.
This issue would happen when I first began pedaling the bike after I built it. I could correct the lock-up by moving backwards and moving forward again. When I tried to pedal fast enough to start the motor it locked up permanently, and the motor never started. This problem looks pretty dire, I think I could get a new engine block from the ebay seller but It won't be easy.

I am having the same problem I disengage the clutch and try to pedal, it's impossible , it's like it's stuck or something. ANY IDEAS?????

its the actuator.i have the same problem.the actuator is a small shaft near the front sprocket with a ball at the end.mine fell out so i haveno clutch.try having someone push you while your on your bike.i just push off and it starts.itss hard the first few times.let me know if this helps
Brandon

why not replace the rod and bearing.