14 August. Friday 2026
Aprilia TX 311 M - 1988 Specifications and Reviews
The 1988 Aprilia TX 311 M is a lightweight 277cc two-stroke trial bike designed for amateur and intermediate riders tackling off-road terrain. Known for its nimble handling and low seat height, this single-cylinder machine delivers modest power suited to technical trail work rather than speed. Its liquid-cooled engine and 6-speed transmission provide reliable performance across varied riding conditions.
General information | |
| Category | Trial |
| Year | 1988 |
| Model | Aprilia TX 311 M |
Engine and Transmission Specifications | |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Fuel control | Rotary valves |
| Bore x stroke | 76.0 x 61.0 mm (3.0 x 2.4 inches) |
| Compression | 8.5:1 |
| Top speed | 125.0 km/h (77.7 mph) |
| Power | 17.00 |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 277.00 ccm (16.90 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Expanding brake |
| Front brakes | Single disc |
| Rear tyre dimensions | 4.00-18 |
| Front tyre dimensions | 2.75-21 |
| | |
Physical measures and capacities | |
| Fuel capacity | 6.50 litres (1.72 gallons) |
| Weight incl. oil, gas, etc | 85.0 kg (187.4 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
17 hp
Peak Power
77.7 mph
Top Speed
Best For
Track10%
City15%
Cornering40%
Daily Riding10%
Touring8%
Passenger5%
Rider Profile
| Best For | Best suited to riders with prior off-road or trial experience, since balance and clutch control matter far more than throttle confidence. |
| Purpose | This is a dedicated competition trial machine built for tackling technical obstacles at walking pace, not for covering distance or riding on paved roads. |
| Rider Fit | Its extremely light weight of 85 kg makes it easy to muscle around and hop over obstacles, favoring balance and technique over strength. |
| Character | A featherweight, high-revving two-stroke trial bike that rewards precise, deliberate inputs and thrives in slow, technical terrain. |
| Not Ideal For | Not for riders wanting a comfortable, fast, or practical bike for road use, touring, or carrying a passenger. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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