It would be unfair to give a verdict as Harley Davidson Street 750 has been discontinued and is not available for sale now. On the other hand, BMW G 310 R is a great pick. BMW G 310 R is a sportbike with a 313cc motor, it has got excellent brakes, offers good bite, feedback and progression. Features packed bikes are pretty much the norm these days. In BMW G 310 R, you have LED lights all around, Additional comforts include an adjustable clutch and brake levers which will help you fine-tune the lever reach as per your hand size. The handling capabilities of the BMW G 310 R far outweigh the grip of its Michelin Pilot Street tyres. As far as touring is concerned, this bike can sit comfortably at highway speeds of around 100kmph, but anything beyond that begins to feel harsh. So yes, you can use it for long-distance touring. And if you happen to find some poor or broken roads on this tour, the BMW’s excellent ride quality will do a fine job of soaking most of it up. But if pukka off-roading is what you have in mind, considering this bike could be among not so good decisions. Moreover, we would suggest you to take a test ride before making the final decision. Follow the link and select your desired city for dealership details.