
Aprilia TX 311 M
Key specifications
Overview
Introducing the 1987 Aprilia TX 311 M, a trailblazer in the world of trial motorcycles that has captivated enthusiasts with its blend of power, agility, and cutting-edge technology for its time. Positioned as a formidable contender in the trial category, the TX 311 M was engineered for serious riders who demanded precision and control. With its lightweight construction and advanced design, this motorcycle became a favorite among competitors seeking to conquer challenging terrains and technical courses, making it a standout option in the late '80s motorcycle market. At the heart of the TX 311 M lies a robust 277cc single-cylinder two-stroke engine, delivering a respectable 17 horsepower at 6,400 RPM. This engine configuration not only provides adequate power for tackling steep inclines and slippery obstacles but also ensures an exhilarating ride with a top speed of 125 km/h (77.7 mph). The liquid cooling system efficiently maintains optimal temperatures during intense rides, while the 6-speed gearbox allows riders to smoothly transition through various terrains. The bike’s 8.5:1 compression ratio and thoughtful bore and stroke dimensions (76.0 x 61.0 mm) contribute to its responsive throttle, ensuring a thrilling experience whether you’re navigating rock gardens or steep hills. The Aprilia TX 311 M is packed with features designed to enhance both performance and rider comfort. The lightweight frame, weighing in at just 85 kg (187.4 pounds) with fluids, ensures nimble handling that is essential for trial riding. Its suspension setup, coupled with a single disc front brake and an expanding rear brake, provides the confidence needed for precise maneuvers and sudden stops. The 6.50-liter fuel tank strikes a balance between weight savings and range, allowing riders to focus on their performance without frequent pit stops. This motorcycle is not just a tool; it's a finely-tuned machine that embodies the spirit of adventure. **
Pros
- Agile Handling: The lightweight design and responsive suspension provide exceptional maneuverability, ideal for navigating challenging trial courses.
- Powerful Engine: The two-stroke engine delivers a thrilling power-to-weight ratio, making it perfect for competitive riding.
- Innovative Design: With its advanced technology for the time, the TX 311 M offers a unique blend of performance and reliability.
Cons
- Limited Fuel Capacity: The 6.50-liter tank may require frequent refueling during extended rides.
- Two-Stroke Maintenance: As a two-stroke engine, it may require more frequent maintenance compared to four-stroke counterparts.
- Niche Market: The trial-specific design may not appeal to riders looking for a versatile motorcycle for everyday use.
Technical details
Source specification data
- Make
- Aprilia
- Model
- TX 311 M
- Category
- Trial
- Power
- 17.00 HP (12.4 kW)) @ 6400 RPM
- Gearbox
- 6-speed
- Top Speed
- 125.0 km/h (77.7 mph)
- Bore X Stroke
- 76.0 x 61.0 mm (3.0 x 2.4 inches)
- Compression
- 8.5:1
- Displacement
- 277.00 ccm (16.90 cubic inches)
- Cooling System
- Liquid
- Engine Details
- Single cylinder, two-stroke
- Transmission Type Final Drive
- Chain
- Fuel Capacity
- 6.50 litres (1.72 gallons)
- Weight Incl Oil Gas Etc
- 85.0 kg (187.4 pounds)
- Rear Tyre
- 4.00-18
- Front Tyre
- 2.75-21
- Rear Brakes
- Expanding brake
- Front Brakes
- Single disc