Triumph T140 ES Bonneville Royal Limited Edition (Eureopean) 1981 - Specifications & Review
Article Complete Info
| Articleid | 700705 |
|---|---|
| Category | Classic |
| Make | Triumph |
| Model | T140 ES Bonneville Royal Limited Edition (Eureopean) |
| Year | 1981 |
Chassis, Suspension, Brakes & Wheels
| Frametype | Twin Downtube Cradle. Oil in frame. |
|---|---|
| Frontbrakes | Double disc. 2 x twin piston alloy calipers, 2 x cast iron disks |
| Frontbrakesdiameter | 254 mm (10.0 inches) |
| Frontsuspension | Telescopic slider type |
| Fronttyre | -19 |
| Frontwheeltravel | 170 mm (6.7 inches) |
| Rake | 27.0° |
| Rearbrakes | Single disc. Twin piston caliper, cast iron disk |
| Rearbrakesdiameter | 254 mm (10.0 inches) |
| Rearsuspension | Twin Mazzochi Air-Assisted Shocks |
| Reartyre | -18 |
| Rearwheeltravel | 89 mm (3.5 inches) |
| Trail | 113 mm (4.4 inches) |
Engine & Transmission
| Borexstroke | 76.0 x 82.0 mm (3.0 x 3.2 inches) |
|---|---|
| Clutch | Wet multi-plate |
| Compression | 7.9:1 |
| Coolingsystem | Air |
| Displacement | 750.00 ccm (45.77 cubic inches) |
| Enginedetails | Twin, four-stroke |
| Exhaustsystem | Twin downswept with balance pipe, Dual silencers. |
| Fuelconsumption | 4.70 litres/100 km (21.3 km/l or 50.05 mpg) |
| Fuelsystem | Carburettor. Twin Bing 32mm CV Type 94 |
| Gearbox | 5-speed |
| Greenhousegases | 109.0 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Ignition | Lucas Electronic |
| Lubricationsystem | Dry sump |
| Maxrpm | 7200 |
| Onequartermile | 13.700 seconds |
| Power | 45.00 HP (32.8 kW)) |
| Topspeed | 180.0 km/h (111.8 mph) |
| Transmissiontypefinaldrive | Chain |
| Valvespercylinder | 2 |
Other Specifications
| Coloroptions | Chrome Tank with black styling stripes. Black engine and mag wheels. Silver Frame. |
|---|---|
| Comments | 250 produced with certificates of authenticity in celebration of the marriage of Prince Charles and Lady Dianna Spencer |
| Modificationscomparedtopreviousmodel | 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. |
| Starter | Electric & kick |
Physical Measures & Capacities
| Dryweight | 181.4 kg (400.0 pounds) |
|---|---|
| Fuelcapacity | 15.14 litres (4.00 gallons) |
| Oilcapacity | 2.40 litres (0.16 quarts) |
| Overalllength | 2,223 mm (87.5 inches) |
| Overallwidth | 686 mm (27.0 inches) |
| Powerweightratio | 0.2480 HP/kg |
| Seatheight | 787 mm (31.0 inches) If adjustable, lowest setting. |
| Weightincloilgasetc | 199.6 kg (440.0 pounds) |
About Triumph T140 ES Bonneville Royal Limited Edition (Eureopean) 1981
Introducing the 1981 Triumph T140 ES Bonneville Royal Limited Edition
The 1981 Triumph T140 ES Bonneville Royal Limited Edition holds a special place in the world of classic motorcycles, not merely as a mode of transport but as a piece of history. Crafted in limited numbers—just 250 units—this remarkable machine commemorates the royal wedding of Prince Charles and Lady Diana Spencer. With its stunning chrome tank adorned with elegant black styling stripes and a silver frame, this motorcycle exudes a timeless charm that appeals to collectors and enthusiasts alike. Triumph's legacy of craftsmanship and performance is encapsulated in this limited edition model, making it a sought-after addition to any serious motorcycle collection.
Engine Performance and Riding Characteristics
At the heart of the T140 ES Bonneville lies a robust 750cc twin-cylinder, four-stroke engine that delivers an impressive 45 horsepower at 6,000 RPM. This powerplant is designed to provide a thrilling riding experience, reaching a top speed of 111.8 mph (180 km/h) while maintaining a respectable fuel efficiency of 50.05 mpg (4.70 litres/100 km). The engine's compression ratio of 7.9:1, combined with a 5-speed gearbox, ensures that riders can seamlessly transition through gears, enjoying a smooth yet spirited ride. The bike's twin Bing 32mm CV carburettors and Lucas electronic ignition enhance throttle response and reliability, making this classic not just a nostalgic ride but also a capable performer on modern roads.
Key Features and Technology
The T140 ES Bonneville's engineering is complemented by its thoughtfully designed chassis and suspension system, which includes a twin downtube cradle frame with oil in the frame for improved handling. The bike boasts double disc brakes at the front and a single disc at the rear, each equipped with twin-piston alloy calipers, providing responsive stopping power that matches its acceleration capabilities. A telescopic front suspension and twin Mazzochi air-assisted shocks at the rear offer a comfortable ride across varied terrains. Riders will also appreciate the convenience of both electric and kick starters, ensuring that they can fire up this classic beauty with ease. The seat height of 31 inches caters to a wide range of riders, making it an accessible option for enthusiasts eager to experience a taste of British motorcycle heritage.
Pros and Cons
Pros:
- Limited Edition: Only 250 units produced, making it a rare collector's item with a certificate of authenticity.
- Timeless Design: The classic aesthetics, including the chrome tank and striking color scheme, appeal to vintage motorcycle lovers.
- Solid Performance: The air-cooled twin engine offers a blend of power and efficiency, providing an exhilarating ride with practical fuel consumption.
Cons:
- Weight: At 440 pounds (with fluids), it may feel heavy compared to more modern motorcycles, which could be a consideration for novice riders.
- Maintenance: As a classic bike, it may require more frequent maintenance and care than contemporary machines, particularly in terms of parts availability.
- Limited Technology: While charming, the bike lacks modern features such as ABS and advanced electronics, which some riders may find limiting in today’s biking environment.
In summary, the 1981 Triumph T140 ES Bonneville Royal Limited Edition is not just a motorcycle; it's a piece of history that combines performance, style, and a touch of royal flair. Whether you’re cruising down a scenic highway or showcasing it at a classic bike rally, this motorcycle promises an experience steeped in heritage and riding pleasure.