Yup! I use my scrambler for 230 kms run on highways/free ways legal speed limit is 120 kph.
The bike does it without even feeling strained.
Get a decent screen to get the wind off your chest.
Also a suggestion would be to install a higher sprocket to drop the engine revs on the highway.
I'm sure some other inmate will get around with their views soon.
The bike is loads of fun and is over engineered!