Quick Stats

1981-89, 553cc DOHC four, 58/65hp 120mph 60/55mpg

What to Expect

Early GP was a Z550 with flash looks and tuned motor. Faster GPz improved handling with a Uni-track back end. Last version had useful half-fairing, air suspension and anti-dive. Very fast, also useful commuter (70mpg). After 50k, top end, camchain and electronic ign hassles. Quick rot exhaust and calipers. Most hard used until the engine wore out around 80k.