| Attribute | Yamaha YZF-R1 2004 × | Kawasaki ZX-9R Ninja 2002 × |
|---|---|---|
| General | ||
| Production from (year) | 2004 | 2002 |
| Make | Yamaha | Kawasaki |
| Model | Yamaha YZF-R1 | Kawasaki ZX-9R Ninja |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | In-line four, four-stroke | In-line four, four-stroke |
| Valves per cylinder | 5 | 4 |
| Fuel system | Injection | - |
| Displacement (cm³) | 998 | 899 |
| Power (kw) | 131.4 | 105.1 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 110.1 | 101 |
| Bore (mm) | 77 | 75 |
| Stroke (mm) | 53.6 | 50.9 |
| Gearbox | 6-speed | 6-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | - |
| Compression | 12.3:1 | 12.2:1 |
| Chassis | ||
| Front suspension | Telescopic fork, diameter 43mm | - |
| Rear suspension | Swingarm (Link suspension) | - |
| Front brakes | Double disc | Dual disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 220 | 220 |
| Front tyre | 120/70-ZR17 | 120/70-ZR17 M/C 58W |
| Rear tyre | 190/50-ZR17 | 190/50-ZR17 M/C 73W |
| Front wheel travel (mm) | 120 | 120 |
| Rear wheel travel (mm) | 135 | 135 |
| Other | ||
| Starter | - | Electric |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,395 | 1,417 |
| Dry weight (kg) | 172 | 186 |
| Power/weight ratio | 0.764 | 0.5651 |
| Overall height (mm) | 1,105 | 1,152 |
| Overall length (mm) | 2,065 | 2,058 |
| Overall width (mm) | 720 | 747 |
| Seat height (mm) | 835 | 827 |
| Ground clearance (mm) | 135 | 158 |
| Performance | ||
| Fuel capacity (l) | - | 18 |