I feel that a none running project is a bad place for people to start.
An old bike will always give you a chance to learn, when you start with a none runner you are blind and don't develop an ear for a properly running bike.
It takes longer and is way more money too.
The Internet is also not a great place to learn, it is more of a reference point.
You need to fix the bike in real life, so find actual live people with actual tools that know these bikes.
Not at all hard to do, Brooklyn is old broken honda central.
Join the NYCVinMoto mailing list.
Works engineering isn't a bad place to start as far as shops.
Everyone and their mother wants to claim to be the honda guru in the area, so you will have to sort through the BS. But there are guys that can offer real help.
Start by getting it running, so service the carbs and ignition.
No aftermarket carb parts, order the OEM kits.