| GAS GAS EC 250 4T | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| liquid-cooled, four-stroke, single cylinder, DOHC, 5 valves | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 249 cm3 | - |
| Bore X Stroke | |
| 3.0x2.1 in OR 76 mm | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| Keihin FCR-MX37 carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-speed, manual | - |
| Clutch | |
| wet multi-disc, manual, hydraulic control | - |
| Final Drive | |
| chain | - |
| chassis specs | |
| Frame | |
|---|---|
| chrome-molybdenum with B-profile | Aluminium frame |
| Front Suspension | |
| 45mm Marzocchi upside-down telescopic fork | - |
| Rear Suspension | |
| monoshock with progressive linkage | - |
| Front Brake | |
| single 260mm disc, 2-piston caliper | - |
| Rear Brake | |
| single 220mm disc, 1-piston caliper | - |
| dimension specs | |
| Weight | |
|---|---|
| 243 lbs OR 110 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 1.6 gallons OR 6.1 L | - |
| tyres specs | |
| Front | |
|---|---|
| 90/90 -21 | - |
| Rear | |
| 140/80 -18 | - |
