Holy shit, I got alot done in 3 hours...
Throttle I got off ebay:
Needed a brake cable tension adjuster, found one on a old bike I had laying around.
Needed a end for the brake cable so I made one out of some 1/4" brass tubing, and soldered it to the cable.
Cable installed on the brake lever:
Had to make a guide for the brake cable:
Welded it on:
Can you guess what this is?
You might have guessed right:
Brakes hooked up on the rear:
Throttle return/connector I made: