Z1000J debuted with Kawasaki's new "J" motor with displacement down to the drop in displacement from 1015cc to 998cc was in order to comply with the new rule for superbike racing-which stipulated a maximum of 1000cc.. For the 1982 model year, Kawasaki introduced the KZ1000R1 Eddie Lawson Replica (ELR); based on the KZ1000J2. The 1983 model was designated KZ1000R2 with cams and a cylinder head from the 1982 GPz1100B2, boosted power from 102 to 104 at 8500 rpm. The bike had a limited run of 750, and was named after the Eddie Lawson 1981-1982 Superbike. It had a claimed rear wheel HP @ 8,500rpm and dry. Aside from the 1982-2005 KZ1000P Police motorcycle, the model was discontinued in 1984, in favor of Kawasaki's liquid-cooled bike, the Ninja GPZ900R. Wheels and tyres The Kz1000P (police) has 18 inch cast wheels with Dunlop run-flat tires. The front tire is size MN90-18, and the back tire is size MR90-18. Accessories The KZ1000 had optional dealer installed Windjammer brand fairing, saddle bags, sissy bar and highway bars. Highway bars were also used for comfort on long trips and sometimes held additional lighting. Z1000 Z1-R The Kawasaki Z1000 Z1-R is a Japanese motorcycle from Kawasaki Heavy Industries. Styling characteristics are the front fairing, black engine finish, the 4-into-1 factory exhaust system and cast wheels. History Following the success of the original Z1000, Kawasaki developed the "Z1-R" as a new top model that would set standards in design and performance. This emphasized motorcycle with a fixed half-shell fairing was only available with a metallic stardust silver paint. Although the design was well received from the potential buyers, sales remained unsatisfactory after tests in motorcycle magazines. They criticized the poor engine performance and the small fuel tank. Readers of the German Motorrad magazine selected the Z1-R as their Motorcycle of the Year for 1977. Z1R-TC The Z1-R was introduced for the 1978 model year, the same year as the Yamaha XS11, the Suzuki GS1000, and the Honda CBX. Magazine tests showed all three competing bikes to be quicker in the [|quarter mile] performance test. In response, the company quickly introduced the semi-production, turbocharged Z1R-TC. Police use The KZ1000C and KZ1000P were police sub-models. The KZ1000C was based on the 1977-1980 KZ1000 (KZ1000 C1-C4 from 1978-1981) while the KZ1000P (KZ1000P1-P24 from 1982-2005) was based on the "J" model. They had a number of technical problems, including electromagnetic interference