Tom - can you clarify the steps you took to loosen the forks and undo the large nut on the triple-tee? Mine is a 2014 Wee that just started pulling left after replacing the front and rear tire. I've checked the alignment and it is pretty darn spot on so want to give this a try. From what I can tell the steps are:
1. Slacken the fork clamp bolts
2. Slacken the fork top bolt
3. Unscrew the steering stem nut
4. Tighten steering stem nut (90 Nm)
5. Tighten fork top bolts (23 Nm)
6. Tighten the fork clamp bolt (23 Nm)
I'm assuming that we wouldn't loosen the bottom fork clamp bolt since we're not disassembling or changing oil. Was there anything else that you recall doing to fix this?