My 2012 vstrom 650 cruises at an indicated 80 (72 GPS) all day. Cruising on I-5 is effortless, even with luggage loaded for work. I would not hesitate to trust my setup for any length of trip, under any conditions. I love the little 650 motor.
2012 Suzuki V-Strom DL650AL2
2006 Kawasaki Vulcan 900 Classic... Sold
2009 TW200.... Sold