Naked Motorcycles
1983Triumph T 140 E Bonneville Executive
19 fields on record
The 1983 Triumph T 140 E Bonneville Executive is a classic British middleweight twin suited to riders seeking traditional character and reliable performance. Its air-cooled 744cc parallel-twin engine delivers accessible power with distinctive British charm, while the lightweight 200kg chassis offers nimble handling. Best known for blending retro styling with practical everyday usability, it remains a favorite among purists valuing mechanical simplicity.
- Capacity
- 744.0 ccm
- Engine
- Parallel Twin
- Gearbox
- 5-speed
- Wet weight
- 200.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 49.0 HP (36.0 kW) @ 6500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- This is a classic British roadster built for relaxed on-road riding, weekend touring, and enjoying the character of a traditional air-cooled twin rather than outright performance.
- Built for
- It has the soulful, torquey charm of a classic Bonneville, with vibration, mechanical feedback, and analog handling that reward smooth, unhurried riding.
- Not ideal for
- This is not the bike for riders seeking modern acceleration, long-distance highway comfort at speed, or any kind of off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 744.0 ccm
- Power
- 49.0 HP (36.0 kW) @ 6500 RPM
- Engine type
- Parallel Twin
- Power/weight ratio
- 0.2450 HP/kg (wet)
- Bore x stroke
- 76.0 x 82.0 mm
- Compression
- 9.0:1
- Cooling system
- Air
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 160.0 km/h (99.4 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 4.10-19
- Rear tyre
- 4.10-18
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 | 1982 | 1983 |
|---|---|---|
| Capacity | 744 cc | 744 cc |
| Fuel capacity | 18.5 L | 18.5 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 Triumph T 140 E Bonneville Executive?
The 1983 Triumph T 140 E Bonneville Executive has a Capacity of 744.0 ccm (45.40 cubic inches).
What engine power does the Triumph T 140 E Bonneville Executive have?
The 1983 Triumph T 140 E Bonneville Executive has a Power of 49.0 HP (36.0 kW) @ 6500 RPM.
How many gears does the Triumph T 140 E Bonneville Executive have?
The 1983 Triumph T 140 E Bonneville Executive has a Gearbox of 5-speed.
How much does the Triumph T 140 E Bonneville Executive weigh?
The 1983 Triumph T 140 E Bonneville Executive has a Wet weight of 200.0 kg (440.9 pounds).
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