PWBII

Red wire, battery, red w/white battery voltage (regulator I think), red w/yellow, starter button, green, ground.

OK, '82' is a DOHC. might be a little different than the SOHCs. Most of the Honda connectors should only go together one way. I agree...

The solenoids I've used have a short pigtail with a matching connector on it.

I don't see what exactly you mean. Do you think the large amp wires were switched? If so that shouldn't matter. It only provides current...

I don't know the company name but, there is one that makes fibre glass cafe bodies for the cb750s I have one for the 1975. It...

Larger on front sprocket will get you more top end & less RPMs, also less torque. Same with smaller rear sprocket, check chain clearance...