Trials Bikes
1987Aprilia TX 311 M
18 fields on record
The 1987 Aprilia TX 311 M is a lightweight trial motorcycle designed for enduro and off-road competition. Powered by a 277cc two-stroke engine producing 17 horsepower, it delivers nimble handling and excellent maneuverability on technical terrain. Best suited for amateur and intermediate trial riders, this machine is renowned for its reliability and responsive performance in challenging riding conditions.
- Capacity
- 277.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Wet weight
- 85.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 17.0 HP (12.5 kW) @ 6400 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- This is a dedicated competition trial machine built for tackling technical obstacles at walking pace, not for covering distance or riding on paved roads.
- Built for
- 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.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 277.0 ccm
- Power
- 17.0 HP (12.5 kW) @ 6400 RPM
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.2000 HP/kg (wet)
- Bore x stroke
- 76.0 x 61.0 mm
- Compression
- 8.5:1
- Cooling system
- Liquid
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 125.0 km/h (77.7 mph)
Dimensions & weight
- Wet weight
- 85.0 kg
- Fuel capacity
- 6.50 litres
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Front tyre
- 2.75-21
- Rear tyre
- 4.00-18
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 1986 | 1987 | 1988 |
|---|---|---|---|
| Capacity | 277 cc | 277 cc | 277 cc |
| Fuel capacity | 6.5 L | 6.5 L | 6.5 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Aprilia TX 311 M?
The 1987 Aprilia TX 311 M has a Capacity of 277.0 ccm (16.90 cubic inches).
What engine power does the Aprilia TX 311 M have?
The 1987 Aprilia TX 311 M has a Power of 17.0 HP (12.5 kW) @ 6400 RPM.
How many gears does the Aprilia TX 311 M have?
The 1987 Aprilia TX 311 M has a Gearbox of 6-speed.
How much does the Aprilia TX 311 M weigh?
The 1987 Aprilia TX 311 M has a Wet weight of 85.0 kg (187.4 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
Please log in or register if you'd like to leave a comment.
Own one? Add it to My Garage and write an owner review with an Owner badge.