I'll get some pictures later today after I finish writing up my talk to help better illustrate what I was trying to say. LOL
Also, I'm no expert, just providing what I can from my own experience. Hopefully they'll solve the problem, if not, someone else with more experience should be able to help.
Here's some photos:
First, the bike chain, as per diagram. Notice that my roller isn't flush at the top, again, this is so the chain isn't over tightened; we don't want that. This way, as the chain becomes loose, I also have some room to use to tighten it.
Here's the part of the carb I was referring to:
Ignore the leak as that's supplier defect / shipping damage; fixing it later today.
Check wiring; notice my white wire is tucked away: