Like I said, "keep chipping away-- there's a motorcycle in there. And keep posting..."
On the starter, pull the starter cover and "activate" the starter manually-- pull the black wire with the Faston terminal from the solenoid and jump between the big battery cable and that now-bare tab on the solenoid. See if the starter turns over, and how vigorously. BE SURE the bike is in neutral.
The turkey gobble? That is the crankcase breather. It's working.