Pinasco for vespa 200

I have just fitted my new pinasco 215cc on my vespa 200 engine, and it wont start [:’(] I have taken the elstart ring of the flywheele because of the cylinder. What happend then is that the kick whent one round and then it all stopped!!! It is now impossible to kick it… I dont know what to do - can any body help me???[:(]