I picked up a new 2017 last week. Build date December 2016. That's all that's available in Australia.
My throttle was sticking and jumpy. A warranty item but half the fun is getting in and doing things yourself imo. Bit of a risk, just like riding on our roads :p
My throttle is now smooth and...
The bolt is a 6mm hex or allen key. Be very careful to select the right size. I knocked the allen in lightly with a hammer tonight; the one from our kit. It will be nice and snug. Then lightly again on the horizontal to break the threadlock. Zero issues unscrewing from there. Most allen key sets...