Good for couple hundred miles with breaks
I finally got my wife on the back of my 2016 S1RR, and we did around 200 mile trip, but stopped 2 times. She is new to being a pillion and was really leaning into me, and this made it tough on my wrists. I could not wait for the last 20 miles or so to end to get her off and give my wrists a rest. All in all, it was not that bad, probably a bad idea on my part to take someone brand new out for for the first time on a 200 mile trip.
I would recommend it, but for someone new to biking then I would suggest a break evert 30-50 mile, just to check on them and I would recommend keeping it <200 miles for the 1st time out with a new passenger.
I weight around 190lb and my wife is 120lb. The bike was flawless in execution, it did not care about the extra weight,