If you need a woodruff key, this guy can hook you up.
https://www.ebay.com/itm/Details-about-Woodruff-Key-For-47cc-49cc-50cc-Pocket-Mini-Bike-H-WK02/183043923616?hash=item2a9e449ea0:g:lnQAAOSws0Jab7rn
Perhaps of interest to the creative minds here. $119 is a pretty good price for 4 fwd speeds and reverse.
http://www.surpluscenter.com/Power-Transmission/Transaxles/Mechanical-Transaxles/PEERLESS-794181-4-SPEED-TRANSMISSION-13-116289.axd
It is snowing in Atlanta. This is aka "the end of the world", a "disaster", "cataclysmic". My commute will be 4 times longer. There will be no bread or milk in any store, and if there is you should be prepared to fight.
New member from GA. Have had a strong interest in Karts my whole life, but haven't owned one since I was a kid. Its time to build one, as I have a 9 y/o and she needs to learn how to drive. Lurking on this site has really been educational and I want to just tell anyone who reads this how much...