| SUZUKI RM250 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| two-stroke, single cylinder, liquid-cooled, AETC, crankcase reed | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 249 cm3 | - |
| Bore X Stroke | |
| 2.6x2.8 in OR 66 mm | - |
| Compression Ratio | |
| 8.8-10.6:1 | - |
| Horsepower | |
| 55/8000 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 37/7500 lb-ft/RPM OR 50/7500 Nm/RPM | - |
| Fuel System | |
| Keihin PWK38S carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5 speed, manual | - |
| Clutch | |
| Wet multi-disc, manual | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Steel | Aluminium frame |
| Front Suspension | |
| Telescopic, 22 compression and 20 rebound settings, 12.2 inches (310 mm) of wheel travel | - |
| Rear Suspension | |
| Link-type, spring preload fully-adjustable, 4 high-speed, 16 low-speed compression settings, 19 rebound settings, 12.6 inches (320 mm) of wheel travel | - |
| Front Brake | |
| Single hydraulic disc, 2-piston caliper | - |
| Rear Brake | |
| Single hydraulic disc, 1-piston caliper | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 85.6 in OR 2174 mm | - |
| Overall Width | |
| 33.1 in OR 841 mm | - |
| Seat Height | |
| 37.4 in OR 950 mm | - |
| Ground Clearance | |
| 13.8 in OR 351 mm | - |
| Weight | |
| 211 lbs OR 96 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.1 gallons OR 7.9 L | - |
| Wheelbase | |
| 57.9 in OR 1471 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 80/100-21 51M | - |
| Rear | |
| 110/90-19 62M | - |
