Whether it’s full-boat land yachts — Honda’s Gold Wing and the like — or sport-tourers like the BMW R1250 RT ... lighter than ...

Air/Liquid Cooled Four Stroke Flat Twin Engine, Double Overhead Camshaft, One Balance Shaft and Variable Engine Timing System BMW Shiftcam V4 Granturismo, V4 - 90°, 4 valves per cylinder ...