Triumph T 140 E Bonnevllle - 1983 Specifications and Reviews

The 1983 Triumph T 140 E Bonneville is a classic British parallel-twin motorcycle that appeals to riders seeking authentic retro styling and reliable mid-range performance. Known for its distinctive character, manageable 744cc air-cooled engine, and accessible handling, it represents the final generation of Triumph's legendary Bonneville lineage and remains prized by vintage enthusiasts.

1983
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General information

CategoryClassic
Year1983
ModelTriumph T 140 E Bonnevllle

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox5-speed
Cooling systemAir
Fuel controlOHV
Valves per cylinder2
Bore x stroke76.0 x 82.0 mm (3.0 x 3.2 inches)
Compression9.0:1
Power49.00
Stroke4
Engine typeTwin
Capacity:744.00 ccm (45.40 cubic inches)
 
 

Physical measures and capacities

Weight incl. oil, gas, etc206.0 kg (454.2 pounds)

Triumph T 140 E Bonnevllle dimensions and frame

Rear brakesSingle disc
Front brakesSingle disc
Rear tyre dimensions4.10-18
Front tyre dimensions4.10-19

Speed and acceleration

Top speed176.0 km/h (109.4 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity18.50 litres (4.89 gallons)

Performance Profile & Rider Fit

49 hp
Peak Power
6.5s
0-60 mph
109.4 mph
Top Speed

Best For

Track20%
City50%
Cornering55%
Daily Riding45%
Touring40%
Passenger35%

Rider Profile

Best ForBest suited to riders who already have experience with kickback-prone, mechanically simple classic twins and enjoy an involved, hands-on riding style.
PurposeThis is a classic British parallel-twin built for spirited weekend rides, café-racer style backroad cruising, and nostalgic ownership rather than outright performance.
Rider FitA relatively light and narrow machine, it suits riders of average to shorter stature who don't mind a firm seat and vibration from the air-cooled twin.
CharacterIt has an charismatic, mechanical soul with old-school vibration, torquey low-end delivery, and the raw analog feel typical of air-cooled OHV Triumph twins of its era.
Not Ideal ForIt's not a good fit for new riders wanting modern reliability, long-distance tourers needing wind protection and range, or anyone seeking high-speed or off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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