| YAMAHA TT 250 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single cylinder, four-stroke, air-cooled | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 249 cm3 | - |
| Bore X Stroke | |
| 3.0x2.2 in OR 76 mm | - |
| Compression Ratio | |
| 9.7:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| Carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed | - |
| Clutch | |
| Wet multi-plate | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Tubular mild steel, single front downtube | Aluminium frame |
| Front Suspension | |
| Stanchion tube diameter | - |
| Rear Suspension | |
| Adjustable preload monoshock | - |
| Front Brake | |
| Drum | - |
| Rear Brake | |
| Drum | - |
| dimension specs | |
| Seat Height | |
|---|---|
| 33 in OR 838 mm | - |
| Weight | |
| 238 lbs OR 108 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2 gallons OR 7.6 L | - |
| Wheelbase | |
| 56 in OR 1422 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 300-21 | - |
| Rear | |
| 510-17 | - |
