| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | KTM |
| Model Name | 640 Duke II |
| Year | 2007 |
| Category(class) | Street Fighter |
| Engine |
|---|
| Engine Capacity (Displacement) | 625 ccm (38.14 cubic inches) |
| Engine Type | Single cylinder |
| Bore x Stroke | Ø101.0 mm x 78.0 mm (Ø3.98 inches x 3.07 inches) |
| Bore/Stroke Ratio | 1.29 |
| Compression Ratio | 11.7:1 |
| Stroke | 4 |
| Valves per Cylinder | 4 |
| Timing System | OHC |
| Fuel System(Carburetion) | Carburettor. Mikuni BST 40 |
| Ignition | Kokusan DC-CDI |
| Starter System | Electric & kick |
| Lubrication System | Pressure lubrication with 2 oil pumps |
| Cooling System | Liquid |
| Exhaust System | 2 x aluminium |
| Powertrain |
|---|
| Clutch | Wet multi-disc clutch, operated hydraulically |
| Gearbox | 5 speed |
| Transmission (Final Drive) | Chain |
| Chassis/Suspension/Brakes |
|---|
| Frame Type | Chromium-molybdenum, powder-coated |
| Front Suspension | WP USD |
| Front Suspension Travel | 115 mm (4.53 inches) |
| Rear Suspension | WP monoshock |
| Rear Suspension Travel | 185 mm (7.28 inches) |
| Front Brakes | Single disc |
| Front Brakes Diameter | Ø320 mm (Ø12.6 inches) |
| Rear Brakes | Single disc |
| Rear Brakes Diameter | Ø220 mm (Ø8.66 inches) |
| Front Tire | 120/70-17 |
| Rear Tire | 160/70-17 |
| Dimensions |
|---|
| Seat Height | 900 mm (35.43 inches) |
| Fork Angle (Rake) | 26.5° degrees |
| Trail | 109 mm (4.29 inches) |
| Wheelbase | 1460 mm (57.48 inches) |
| Ground Clearance | 280 mm (11.02 inches) |
| Dry Weight | 152.0 kg (335 lb) |
| Fuel Capacity | 11.20 litres (2.96 gallons) |
| Performance |
|---|
| Max Power | 53.64 HP (39.2 kW) at 6750 RPM |
| Max Torque | 60.00 Nm (44.12 ft*lbs) at 5500 RPM |
| Power/Weight Ratio | 0.32 Hp/Kg |
| Top Speed | - |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 5 seconds |
| 0-60 mph | 4.8 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
