And Then There Were Three The Z1000 A2A represented the "Top of the Range" for just a view months, "And Then There Were Three." In 1979, a series of new Kawasaki superbike models appeared, with the most robust 1 litre Kawasaki engine version so far. The Z1000 Mk.II, Z1000 ST and Z1000 SHAFT not only looked futuristic, but they were also equipped with most of the features that customers expected from sport and touring motorcycles at the end of the seventies. Despite these advancements the bikes remained affordable. The challenge of environmental legal requirements related to the emissions of an engine demanded improvements, and how these were incorporated can be found here. You wanted to know details about a kardan-drive for a motorcycle? The answers can also be found here, the fourth book about the history of Kawasaki superbikes.