Blast from the past: 1981 Kawasaki GPz550
For sale: 1981 Kawasaki GPz550 Anybody remember these? This used to be top dog of the sportbike world before multi-piston, radial mount brakes, 4-valves per cylinder, liquid cooling, single-shock rear suspension, aluminum frames and radial tires. Given, these were not very rare in the day, having been churned out and sold at low prices –…