Well, changing the clutch helped, but not completely. Still missing 2nd and still can't get it into 1st from 2nd. I think my next attempt will be to move the shifter arm a bit and see if I can change the throw.
Here she is though - this baby's got some rough edges to say the least, but when I rescued her from the salvage yard she barely resembled a bike. Total rebuild. Engine is perfectly fine though - plenty of pep.
Speedometer is still whining at me, but I'll see about tossing in some lube into the mechanism.