Once a Champion – 1990 Kawasaki ZX-10

In the garage next to the previously posted Future Classic is this retired heavyweight world champ.  For 1988-90 the fastest production motorcycle capable of 165 mph, the ZX-10 was the Kawasaki flagship between the 1984-2006 GPZ-900R “Top Gun” and the 1990-1995 ZX-11.  Updates from the GPZ-900R include semi-downdraft carburetors and 11:1 compression.  137 hp and…