Comparison of KTM 640 Duke and KTM 690 SMC R 2020 [S]ave
| Attribute |  KTM 690 SMC R 2020 × |  KTM 640 Duke × |
|---|---|---|
| General | ||
| Production from (year) | 2020 | 2003 |
| Make | KTM | KTM |
| Model | KTM 690 SMC R | KTM 640 Duke |
| Category | Super motard | Super motard |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Injection | Carburettor |
| Displacement (cm³) | 693 | 625 |
| Power (kw) | 53.8 | 40 |
| Fuel consumption (l/100km) | 3.87 | - |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 73.5 | 60 |
| Bore (mm) | 105 | 101 |
| Stroke (mm) | 80 | 78 |
| Gearbox | 6-speed | 5-speed |
| Greenhouse gases | 89.8 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Fuel control | Overhead Cams (OHC) | - |
| Driveline | 5/8 x 1/4 X Ring. Primary drive: 36:79. | - |
| Ignition | Keihin EMS with RBW, twin ignition | - |
| Clutch | PASC (TM) slipper clutch, hydraulically actuated | - |
| Lubrication system | Forced oil lubrication with 2 oil pumps | - |
| Compression | - | 11.5:1 |
| Chassis | ||
| Front suspension | WP USD Ø 48 mm | WP-USD 43 MA |
| Rear suspension | WP shock absorber with Pro-Lever linkage | WP - Monoshock |
| Front brakes | Single disc. Bosch 9M+ ABS. Floating disc. Four-piston calipers. Radially mounted. | Single disc |
| Rear brakes | Single disc. Bosch 9M+ ABS. Floating disc. Single-piston caliper. | Single disc |
| Diameter (mm) | 240 | 220 |
| Frame type | Chromium-Molybdenum steel trellis frame, powder coated | - |
| Front tyre | - | 120/70-17 |
| Rear tyre | - | 160/70-17 |
| Wheels | Orange rime. Conti AttackSM tubeless tyres. | - |
| Front wheel travel (mm) | 215 | 140 |
| Rear wheel travel (mm) | 240 | 170 |
| Rake (fork angle) (degree) | 27 | - |
| Other | ||
| Starter | Electric | - |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,480 | 1,460 |
| Dry weight (kg) | 147 | 149 |
| Power/weight ratio | 0.366 | 0.2685 |
| Seat height (mm) | 890 | 900 |
| Ground clearance (mm) | 270 | 270 |
| Performance | ||
| Reserve fuel capacity (l) | - | 2.5 |
| Fuel capacity (l) | 13.5 | 12 |
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