These are the known mechanical and performance specifications for your 1981 Triumph T140 ES Bonneville Royal Limited Edition (Eureopean).
Basic Specs
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Year1981
MakeTriumph
ModelTriumph T140 ES Bonneville Royal Limited Edition (Eureopean)
TypeClassic
Cost
Engine
Displacement750.00 ccm (45.77 cubic inches)
Type
DetailsTwin, four-stroke
Max RPM7200
Compression7.9:1
Bore/Stroke76.0 x 82.0 mm (3.0 x 3.2 inches)
Valves/Cylinder2
FuelingCarburettor. Twin Bing 32mm CV Type 94
IgnitionLucas Electronic
ExhaustTwin downswept with balance pipe, Dual silencers.
LubricationDry Sump
CoolingAir
Performance
Horespower45.00 HP (32.8 kW)
Torque
Top Speed180.0 km/h (111.8 mph)
Fuel Economy & Polution
Fuel Consumption4.70 litres/100 km (21.3 km/l or 50.05 mpg)
Fuel Capacity15.14 litres (4.00 gallons)
Emissions109.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeTwin Downtube Cradle. Oil in frame.
Rake27.0°
Trail113 mm (4.4 inches)
Front SuspensionTelescopic slider type
Front Travel170 mm (6.7 inches)
Rear SuspensionTwin Mazzochi Air-Assisted Shocks
Rear Travel89 mm (3.5 inches)
Seat
Seat Height787 mm (31.0 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length2,223 mm (87.5 inches)
Total Width686 mm (27.0 inches)
Ground Clearance
Wheelbase1,422 mm (56.0 inches)
Dry Weight181.4 kg (400.0 pounds)
Wet Weight199.6 kg (440.0 pounds)
Wheels & Brakes
Front Tire/Tyre-19
Rear Tire/Tyre-18
Front BrakesDouble disc. 2 x twin piston alloy calipers, 2 x cast iron disks
Front Brake Diameter254 mm (10.0 inches)
Rear BrakesSingle disc. Twin piston caliper, cast iron disk
Rear Brake Diameter254 mm (10.0 inches)
Wheels
Comments
250 produced with certificatesof authenticity in celebration of the marriage of Prince Charles and Lady Dianna Spencer