Kawasaki Z 1000R (2017-18) vs Kawasaki GPz 400 / Z400GP (1982) vs Kawasaki AR 125 (1984-85)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki | Kawasaki |
| Model: | Z 1000R | GPz 400 / Z400GP | AR 125 |
| Years: | 2017-18 | 1982 | 1984-85 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder | Four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder. | Two stroke, single cylinder, disc valve. |
| Capacity: | 1043 cc / 63.6 cu-in | 399 cc / 24.3 cu-in | 124 cc / 7.5 cu-in |
| Bore x Stroke: | 77.0 x 56.0mm | 52 х 47mm | 55 х 51.8 mm |
| Compression Ratio: | 11.8:1 | 9.5:1 | 6.5:1 |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled |
| Induction: | DFI® with four 38mm Keihin throttle bodies, oval sub-throttles | 4 x 21mm Teir-Kei carburetors | 24mm Mikuni carburetor |
| Ignition: | TCBI with digital advance / electric | CDI | Capacitor discharge |
| Starting: | Electric | Electric | Kick |
| Max Power: | 104.5 kW / 142 hp @ 10000 rpm | 48 hp / 35 kW @ 10500 rpm | 22 hp / 16.4 kW @ 9500 rpm |
| Max Torque: | 111 Nm / 11.3 kgf.m @ 7300 rpm | 34.3 Nm / 25.2 lb-ft @ 8500 rpm | 1.7 kgf-m / 12.2 lb-ft @ 8000 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | X-ring chain | Chain | Chain |
| Front Suspension: | 41 mm inverted SFF-BP fork with stepless compression and rebound damping and spring preload adjustability | Telescopic forks | 30mm Leading telescopic |
| Rear Suspension: | Horizontal monoshock with stepless rebound damping, remotely adjustable spring preload | Swing arm | Rising rate Uni-trek linkage 5-way preload. |
| Front Brakes: | 2x semi-floating 310 mm Brembo discs, Dual radial-mount, Brembo M50 monobloc, opposed 4-piston | Single 236mm disc | Single 232mm disc 1 piston caliper |
| Rear Brakes: | Single 250mm disc petal-type rotor with 1 piston caliper and ABS | Single 140mm drum | 130 drum |
| Front Tyre: | 120/70 -R17 | 90/90-19 | 2.75-18 |
| Rear Tyre: | 190/50 ZR17 | 110/90-18 | 3.00-18 |
| Fuel Capacity: | 17 Litres / 4.5 US gal | 15 Litres / 3.9 US gal | 11.5 Litres / 3.0 US gal |