Kawasaki GPz 1100 / ZX1100 A-2 (1984) vs Yamaha YZF 1000 R1 </font>60th Anniversary Kenny Roberts Replica (2015) vs Kawasaki ZX-9R Ninja (2002)
Comparison technical specifications
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| Make: | Kawasaki | Yamaha | Kawasaki |
| Model: | GPz 1100 / ZX1100 A-2 | YZF 1000 R1 </font>60th Anniversary Kenny Roberts Replica | ZX-9R Ninja |
| Years: | 1984 | 2015 | 2002 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. | 998 cc / 60.9 cu-in | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 1089 cc / 66.4 cu-in | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | 899 cc / 54.8 cu-in |
| Bore x Stroke: | 72.5 x 66 mm | 79.0 x 50.9 mm | 75 x 50.9 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 8.9:1 | 13.0:1 | 12.2:1 |
| Induction: | Digital fuel injection | Fuel Injection with YCC-T and YCC-I | 4X 40mm Keihin CVRD40 carburetors |
| Ignition: | Battery powered inductive magnetically triggered. | TCI: Transistor Controlled Ignition | Digital with Kawasaki Throttle Responsive Ignition Control (K-TRIC) |
| Starting: | Electric | Electric | Electric |
| Max Power: | 120 hp / 87.6 kW @ 8750 rpm | Wet, Multiple Disc | 144 hp / 105 kW @ 11000 rpm |
| Max Torque: | 10.2 kgf-m / 73.7 lb-ft @ 7000 rpm | Wet, Multiple Disc | 101 Nm / 74.4 lb-ft @ 9000 rpm |
| Transmission: | 5 Speed | 6-speed w/multiplate slipper clutch | 6 Speed |
| Final Drive: | Chain | "O" ring chain | Chain |
| Front Suspension: | 37mm Kayaba hydraulically activated air drive abutments for air pressure | 43mm KYB® inverted fork; fully adjustable | 46mm RWU forks, preload, compression and rebound adjustable. |
| Rear Suspension: | Single air assisted shock adjustable for reload damping | KYB® Single shock w/piggyback reservoir, 4-way adjustable | Uni-Trak piggy-back monoshock, reload, compression and rebound damping adjustable. |
| Front Brakes: | 2x 236mm discs 1 piston calipers | 2x 320mm discs 4 piston calipers, UBS ABS | 2x 310mm discs 6 piston calipers |
| Rear Brakes: | Single 236mm disc1 caliper | Single 220mm disc 1 piston caliper, UBS ABS | Single 220mm disc 1 piston caliper |
| Front Tyre: | 110/90 V18 | 120/70 ZR17 | 120/70 ZR17 |
| Rear Tyre: | 130/90 V17 | 190/55 ZR17 | 190/50 ZR17 |
| Fuel Capacity: | 20 Litres / 5.2 US gal | 17 Liters / 4.5 gal | 18 Litres / 4.7 US gal |