Same here with my 2016 K16GT, no problems setting it or it staying on. The R9 is hyper sensitive to even touching the throttle.Yes it’s getting it to come on, and then stay on is the problem. Same system worked fine on three previous bikes.
Yes to throttle forward.I'm not sure this is helpful but I haven't had a single issue with the cruise and I have used it on every single ride.
I did not know about twisting the throttle forward, is it supposed to do that?
You've already found the problem, don't worry about ongoing theory testing. See post #12 in this thread, many others have done it for you.This morning I was riding to work and my cruise control wouldn't come on. After about 30 minutes of frustration I got it on and it shut off. I began to think about what causes it to turn off and thought of the brake levers. I checked my hand lever and it was good. I looked down and noticed the toe of my boot was touching the rear brake lever. I moved my foot and no more issues for the rest of the ride. I ride in Klim adventure boots which are bulky. I think my toe must have been touching the rear brake lever without me feeling it. I'll test out the theory over the next week and post my findings.