Triumph T 140 E Bonneville Special Specs (Top Speed | Horsepower | Weight)

The Triumph T 140 E Bonneville Special motorcycle specifications include a 744 cc (45.40 cu in) engine, power of 49 hp (35.8 kW) @ 6,500 rpm, a 5-speed gearbox, and a listed weight of 200 kg (440.9 lb).

Key specifications

1980-1981Model years
744 ccDisplacement
49 hpPower
200 kgWet weight
18.5 LFuel tank
Model years covered
19801981

Year-specific specification changes

No material specification changes from the 1980 baseline were found in the available data.

How the Triumph T 140 E Bonneville Special compares

This compares the motorcycle with all Triumph models in this specifications database. The blue marker is this model and the grey line is the Triumph database average.

Engine power49 hp
Low 10 hpAverage 87.2 hpHigh 165 hp

About 44% lower than the Triumph database average. Around the 19th percentile across Triumph models.

Displacement744 cc
Low 199 ccAverage 949 ccHigh 2,294 cc

About 22% lower than the Triumph database average. Around the 29th percentile across Triumph models.

Wet weight200 kg
Low 168.3 kgAverage 236.2 kgHigh 380 kg

About 15% lighter than the Triumph database average. Around the 26th percentile across Triumph models.

Fuel capacity18.5 L
Low 9.5 LAverage 17.9 LHigh 25 L

Very close to the Triumph database average. Around the 59th percentile across Triumph models.

This model Triumph database average

Triumph database percentile rankings

Percentiles show where this motorcycle sits across the Triumph specifications database. They are descriptive database rankings, not performance ratings.

Engine power19th

49 hp — more powerful than about 19% of Triumph models with power data.

Displacement29th

744 cc — larger displacement than about 29% of Triumph models.

Wet weight26th

200 kg — heavier than about 26% of Triumph models, or lighter than about 74%.

Fuel capacity59th

18.5 L — larger than about 59% of Triumph fuel tanks in this database.

Mechanical overview

Engine layout snapshot

Twin, four-stroke • 744 cc • Air cooled • 49 hp
Chassis snapshot

5-speed • Chain (final drive) • 4.10-19 front / 4.10-18 rear

Additional useful specifications

Front tire size 4.10-19
Rear tire size 4.10-18
Power-to-weight ratio 0.245 hp/kg
Power-to-weight 245.0 hp/tonne
Specific power 65.9 hp/L
Bore/stroke ratio 0.93:1 (Undersquare)

Engine specifications

Engine type Twin, four-stroke
Displacement 744 cc (45.40 cu in)
Power 49 hp (35.8 kW) @ 6,500 rpm
Bore × stroke 76.0 x 82 mm (3.0 x 3.2 inches)
Compression ratio 9.0:1
Valves per cylinder 2
Cooling system Air
Fuel control Overhead Valves (OHV)

Transmission and drivetrain

Gearbox 5-speed
Final drive Chain (final drive)

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Single disc
Front tire 4.10-19
Rear tire 4.10-18

Dimensions and weight

Wet weight 200 kg (440.9 lb)

Fuel and emissions

Fuel capacity 18.50 L (4.89 US gal)

Performance

Top speed 160.0 km/h (99.4 mph)

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Triumph models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Triumph information before relying on them. Visit the official Triumph website.