Rope Trick Fail Need Help

So I used the rope trick to tighten my flywheel back on. In this process, the nylon rope got stuck in the exhaust port, with a good chunk of rope stuck between the piston and cylinder wall...

What do I need to do to fix this?
 
The rope trick works but you have to make sure the piston is up enough of the correct stroke so there is no possible way it can get into the ports. If the head is off a block of wood is much safer.
 
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