| KTM 640 LC4 Adventure | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single cylinder, four-stroke, liquid cooled | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 625 cm3 | - |
| Bore X Stroke | |
| 4x3.1 in OR 102 mm | - |
| Compression Ratio | |
| 11.7:1 | - |
| Horsepower | |
| 52/7000 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 41/5500 lb-ft/RPM OR 56/5500 Nm/RPM | - |
| Fuel System | |
| Mikuni BST 40 Carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed | - |
| Clutch | |
| Wet multidisc clutch, operated hydraulically | - |
| Primary Drive | |
| 31:79 | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Chromium-molybdenum, powder-coated | Aluminium frame |
| Front Suspension | |
| WP-USD 48 mm | - |
| Rear Suspension | |
| WP monoshock | - |
| Front Brake | |
| Double disc 300 mm | - |
| Rear Brake | |
| Single disc 200 mm | - |
| dimension specs | |
| Seat Height | |
|---|---|
| 37.2 in OR 945 mm | - |
| Ground Clearance | |
| 12.4 in OR 315 mm | - |
| Weight | |
| 348 lbs OR 158 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 6.7 gallons OR 25.4 L | - |
| Wheelbase | |
| 59.4 in OR 1509 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 90/90-21 | - |
| Rear | |
| 140/80-18 | - |
