Bro, meray 2 mamu Kharian se Lahore aye thay Eid pe, on their CG 125. They had some luggage with them too. They told me, they maintained a speed of 70-80kmph. They told me they had to stop 3 times for rest breaks because their backs started aching, especially the one who was driving, tired earlier.
On their return, I accompanied them with my GS150.
They chose to try riding my GS150 where as I rode their CG125. We traveled like this till Gujranwala, then they took their CG125 and moved on to Kharian while I stayed in Gujranwala at my cousin's house.
My mamu's feedback was very much in favour of GS150, though he owns a CG since 3 years. He felt comfortable and enjoyed the ride of GS 150 much more than CG 125.
In leu of this real life experience, I would suggest, in Pakistan GS 150 has no parallel when it comes to touring and long journeys.