| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Aprilia |
| Model Name | TX 311 M |
| Year | 1988 |
| Category(class) | Trial |
| Engine |
|---|
| Engine Capacity (Displacement) | 277 ccm (16.9 cubic inches) |
| Engine Type | 1 cylinder |
| Bore x Stroke | Ø76.0 mm x 61.0 mm (Ø2.99 inches x 2.4 inches) |
| Bore/Stroke Ratio | 1.25 |
| Stroke | 2 |
| Timing System | ROTARY VALVES |
| Cooling System | Liquid |
| Powertrain |
|---|
| Gearbox | 6 speed |
| Chassis/Suspension/Brakes |
|---|
| Front Brakes | Single disc |
| Rear Brakes | Drum |
| Front Tire | 2.75-21 |
| Rear Tire | 4.00-18 |
| Dimensions |
|---|
| Curb Weight | 85 kg (187 lb) |
| Fuel Capacity | 6.5 litres (1.72 gallons) |
| Performance |
|---|
| Max Power | 17.00 HP (12.4 kW) at 6400 RPM |
| Power/Weight Ratio | 0.2 Hp/Kg |
| Top Speed | 125 km/h (78mph) |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 6.6 seconds |
| 0-60 mph | 6.2 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
