The 2019 Kawasaki Z900 Base has a starting MSRP of $8,399 and the Z900 ABS will run you an additional $400, starting at $8,799 for the antilock braking system. 2019 Kawasaki Z900 Price. The Kawasaki Z650, another similar naked bike, clocks in at a little lower price point with a starting MSRP of $6,999.