My bike dnt start after number of kicks?

i owe a honda unicorn which i had sum problem lik while i gav accelartor it took sumtime to move aftr 2 sec d power gets to the engine 4 movin thn whn i checked d chain was loose thn i tightend it aftr 2 days again the same problem arrised i took it to the mechanic 4 service he opened cleaned the carborator,air fillter and all thn whn tried to start aftr 1000 kicks it dint start n i feelin very bad 4 my love plz help me he is my only frn