Comparison of Kawasaki ER-6f ABS and Triumph Speed Four 2003 [S]ave
| Attribute |  Kawasaki ER-6f ABS × |  Triumph Speed Four 2003 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2003 |
| Make | Kawasaki | Triumph |
| Model | Kawasaki ER-6f ABS | Triumph Speed Four |
| Category | Naked bike | Naked bike |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | In-line four, four-stroke |
| Valves per cylinder | 8 | - |
| Fuel system | Injection. Fuel injection: ø 38 mm x 2 (Keihin) | Injection |
| Displacement (cm³) | 649 | 599 |
| Power (kw) | 51.9 | 71.5 |
| Cooling system | - | Liquid |
| Transmission type,final drive | - | Chain |
| Torque (Nm) | 66 | 68 |
| Bore (mm) | 83 | 68 |
| Stroke (mm) | 60 | 41.3 |
| Gearbox | 6-speed | 6-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Digital | - |
| Compression | 11.3:1 | 12.5:1 |
| Chassis | ||
| Front suspension | 41 mm telescopic fork | - |
| Rear suspension | Offset laydown single-shock with adjustable preload | - |
| Front brakes | Double disc. Dual semi-floating 300 mm petal discs, dual piston | Double disc |
| Rear brakes | Single disc. Single 220 mm petal disc, single piston | Single disc |
| Diameter (mm) | 220 | 220 |
| Frame type | Diamond, high-tensile steel | - |
| Front tyre | 120/70-17 | 120/70-ZR17 |
| Rear tyre | 160/60-17 | 180/55-ZR17 |
| Front wheel travel (mm) | 41 | - |
| Trail (mm) | 106 | - |
| Rake (fork angle) (degree) | 25 | - |
| Other | ||
| Starter | Electric | - |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,410 | 1,395 |
| Dry weight (kg) | 178 | 170 |
| Power/weight ratio | 0.2916 | 0.4206 |
| Overall height (mm) | 1,210 | 1,150 |
| Overall length (mm) | 2,105 | 2,060 |
| Overall width (mm) | 760 | 690 |
| Seat height (mm) | 790 | 810 |
| Performance | ||
| Fuel capacity (l) | 15.5 | 18 |
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