| YAMAHA YFM250R | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single cylinder, air-cooled, 4-stroke, SOHC, 2-valves | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 249 cm3 | - |
| Bore X Stroke | |
| 2.9x2.3 in OR 74 mm | - |
| Compression Ratio | |
| 9.5:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| Carburettor Mikuni BSR 29 mm | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed, manual | - |
| Clutch | |
| Wet multi-disc, manual | - |
| Final Drive | |
| Sealed O-ring chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Steel | Aluminium frame |
| Front Suspension | |
| Independent double wishbone, 5 position preload adjustable spring, 190 mm wheel travel | - |
| Rear Suspension | |
| Swingarm, 5 position preload adjustable spring, 200 mm wheel travel | - |
| Front Brake | |
| Dual hydraulic disc | - |
| Rear Brake | |
| Hydraulic disc | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 64 in OR 1626 mm | - |
| Overall Width | |
| 42.2 in OR 1072 mm | - |
| Seat Height | |
| 28.7 in OR 729 mm | - |
| Ground Clearance | |
| 3.9 in OR 99 mm | - |
| Weight | |
| 331 lbs OR 150 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.4 gallons OR 9.1 L | - |
| Wheelbase | |
| 43.7 in OR 1110 mm | - |
| tyres specs | |
| Front | |
|---|---|
| AT20x7-10 | - |
| Rear | |
| AT19x10-9 | - |
