What is the engine size of the 1981 Triumph T140 ES Bonneville Royal Limited Edition (eureopean)?

The 1981 Triumph T140 ES Bonneville Royal Limited Edition (eureopean) has a Capacity: of 750.00 ccm (45.77 cubic inches).

Is the 1981 Triumph T140 ES Bonneville Royal Limited Edition (eureopean) air cooled or liquid cooled?

The 1981 Triumph T140 ES Bonneville Royal Limited Edition (eureopean) has a Cooling system of Air.

What is the seat height of the 1981 Triumph T140 ES Bonneville Royal Limited Edition (eureopean)?

The 1981 Triumph T140 ES Bonneville Royal Limited Edition (eureopean) has a Seat height of 787 mm (31.0 inches) If adjustable, lowest setting..

What is the top speed of the 1981 Triumph T140 ES Bonneville Royal Limited Edition (eureopean)?

The 1981 Triumph T140 ES Bonneville Royal Limited Edition (eureopean) has a Top speed of 180.0 km/h (111.8 mph).

Triumph T140 ES Bonneville Royal Limited Edition (eureopean) - 1981 Specifications and Reviews

Name: 1981 Triumph T140 ES Bonneville Royal Limited Edition (eureopean)
Brand: Triumph
Rating: 4 (2 reviews)

The 1981 Triumph T140 ES Bonneville Royal Limited Edition appeals to classic British motorcycle enthusiasts seeking authentic vintage character. Known for its iconic parallel-twin engine and traditional styling, this European-market machine offers reliable performance with period-correct engineering. Best suited to riders valuing heritage and distinctive British craftsmanship over modern capabilities.

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1981

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Triumph T140 ES Bonneville Royal Limited Edition (eureopean) 1981 13023 Thumb

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General information
Category	Classic
Year	1981
Model	Triumph T140 ES Bonneville Royal Limited Edition (Eureopean)
Engine and Transmission Specifications
Clutch	Wet multi-plate
Transmission typefinal drive	Chain
Gearbox	5-speed
Cooling system	Air
Lubrication system	Dry Sump
Starter	Electric & kick
Ignition	Lucas Electronic
Fuel control	OHV
Valves per cylinder	2
Fuel system	Carburettor. Twin Bing 32mm CV Type 94
Bore x stroke	76.0 x 82.0 mm (3.0 x 3.2 inches)
Compression	7.9:1
Max RPM	7200
Power	45.00
Stroke	4
Engine type	Twin
Capacity:	750.00 ccm (45.77 cubic inches)

Physical measures and capacities
Wheelbase	1,422 mm (56.0 inches)
Overall width	686 mm (27.0 inches)
Overall length	2,223 mm (87.5 inches)
Seat height	787 mm (31.0 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc	199.6 kg (440.0 pounds)
Dry weight	181.4 kg (400.0 pounds)
Triumph T140 ES Bonneville Royal Limited Edition (eureopean) dimensions and frame
Exhaust system	Twin downswept with balance pipe, Dual silencers.
Rear brakes diameter	254 mm (10.0 inches)
Rear brakes	Single disc. Twin piston caliper, cast iron disk
Front brakes diameter	254 mm (10.0 inches)
Front brakes	Double disc. 2 x twin piston alloy calipers, 2 x cast iron disks
Rear tyre dimensions	-18
Front tyre dimensions	-19
Rear suspension travel	89 mm (3.5 inches)
Rear suspension	Twin Mazzochi Air-Assisted Shocks
Front suspension travel	170 mm (6.7 inches)
Front suspension	Telescopic slider type
Trail	113 mm (4.4 inches)
Rake (fork angle)	27.0°
Frame type	Twin Downtube Cradle. Oil in frame.

Speed and acceleration
Power/weight ratio	0.2480 HP/kg
1/4 mile (0.4 km)	13.700 seconds
Top speed	180.0 km/h (111.8 mph)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Modifications compared to previous model	Differed from the US variant of the Royal Wedding Limited Edition considerably. US variant had black frame and everything else was highly chromed or polished. Euro variant had silver frame, chrome tank and the emphasis of everything else was black.
Color options	Chrome Tank with black styling stripes. Black engine and mag wheels. Silver Frame.
Oil capacity	2.40 litres (0.16 quarts)
Fuel consumption pr. 10 km (6.2 miles)	4.70 litres (1.24 gallons)
Fuel capacity	15.14 litres (4.00 gallons)

Performance Profile & Rider Fit

45 hp

Peak Power

6.5s

0-60 mph

111.8 mph

Top Speed

Best For

Track25%

City55%

Cornering60%

Daily Riding45%

Touring40%

Passenger35%

Rider Profile

Best For	Best suited to riders with some experience on classic British twins, as the kickstart-era mechanicals, moderate ground clearance, and vintage brakes demand a deliberate, engaged riding style.
Purpose	This is a collectible limited-edition classic built for weekend cruising, show attendance, and nostalgic enjoyment rather than outright performance or utility.
Rider Fit	The upright seating position, moderate seat height, and light dry weight make it manageable for most body sizes, though the kick-start backup and low-speed heft of a parallel twin reward a bit of physical confidence.
Character	A charismatic, air-cooled British twin with a classic exhaust burble and old-school charm that prioritizes character and heritage over raw speed or modern refinement.
Not Ideal For	This is not the right bike for riders seeking modern touring comfort, high-speed highway cruising, or any form of off-road capability.

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

Rider Fit Visualizer

1981 Triumph T140 ES Bonneville Royal Limited Edition (eureopean) Rider Ergonomics Assessment

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Feet:

At 787mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 1981 Triumph T140 ES Bonneville Royal Limited Edition (eureopean), with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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