| KTM 450 EXC Racing | 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 | |
| 449.3 cm3 | - |
| Bore X Stroke | |
| 3.7x2.5 in OR 94 mm | - |
| Compression Ratio | |
| 11.0:1 | - |
| Horsepower | |
| 51/- KW(hp)/RPM | 48/- KW(hp)/RPM |
| Fuel System | |
| Keihin MX FCR 39 Carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-Speed | - |
| Clutch | |
| Wet multidisc clutch, operated hydraulically | - |
| Primary Drive | |
| 33:76 | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Central double cradle type 25 CrMo4 | Aluminium frame |
| Front Suspension | |
| WP-USD 48 mm | - |
| Rear Suspension | |
| WP-PDS shock absorber | - |
| Front Brake | |
| Disc 260 mm | - |
| Rear Brake | |
| Disc 220 mm | - |
| dimension specs | |
| Seat Height | |
|---|---|
| 36.4 in OR 925 mm | - |
| Ground Clearance | |
| 15 in OR 381 mm | - |
| Weight | |
| 250 lbs OR 113 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.1 gallons OR 7.9 L | - |
| Wheelbase | |
| 58.3 in OR 1481 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 90/90-21 | - |
| Rear | |
| 120/90-18 | - |
