everything stainless said
no key = no bueno
If timing is off (like with no key) it may not want to kick over.. Had the timing off on my TY after the motor rebuild I eyeballed it on the work bench. It wanted to feel locked up and or kick back with authority...2 minutes with a dial indicator and a feeler gauge and it was purring.
buy the manual and repair it right before you screw the bike up.