| YAMAHA YZ85 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single cylinder, two stroke, liquid-cooled | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 85 cm3 | - |
| Bore X Stroke | |
| 1.9x1.9 in OR 48 mm | - |
| Compression Ratio | |
| 8.1:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| Keihin PWK 28 | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-Speed | - |
| Clutch | |
| Wet multi-plate | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Aluminium | Aluminium frame |
| Front Suspension | |
| Inverted fork, fully adjustable, 10.8-in travel | - |
| Rear Suspension | |
| Single shock, fully adjustable, 11.1-in travel | - |
| Front Brake | |
| Hydraulic single disc, 220mm | - |
| Rear Brake | |
| Hydraulic single disc, 190mm | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 71.7 in OR 1821 mm | - |
| Overall Width | |
| 29.9 in OR 759 mm | - |
| Seat Height | |
| 33.1 in OR 841 mm | - |
| Ground Clearance | |
| 13 in OR 330 mm | - |
| Weight | |
| 157 lbs OR 71 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 1.3 gallons OR 4.9 L | - |
| Wheelbase | |
| 49.5 in OR 1257 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 70/100-17 Dunlop | - |
| Rear | |
| 90/100-14 Dunlop | - |
