1977 Triumph T140V Silver Jubilee

1977 Triumph T140V Silver Jubilee

standard70sUnited Kingdom

Born in 1977, the 1977 Triumph T140V Silver Jubilee is a 744cc twin-cylinder standard motorcycle producing 52hp from Triumph.

Specifications

Engine

Type
OHV twin
Displacement
744 cc
Cylinders
2
Power
52 hp @ 6200 rpm
Torque
56.0 Nm
Compression
Bore × Stroke
76.0 × 82.0 mm
Cooling
Air-cooled
Fuel System
2x Amal carburetors

Chassis & Transmission

Frame
Steel single cradle
Front Suspension
Telescopic fork
Rear Suspension
Twin shock
Front Brake
Single disc
Rear Brake
Drum
Front Tyre
Rear Tyre
Transmission
5-speed
Final Drive
Chain

Performance

Top Speed
175 km/h (109 mph)
¼ Mile

Dimensions & Weight

Dry Weight
185 kg (408 lbs)
Wet Weight
198 kg (437 lbs)
Seat Height
790 mm
Wheelbase
1410 mm
Ground Clearance
Fuel Capacity
14.0 L

History & Story

When Triumph unveiled the 1977 Triumph T140V Silver Jubilee in 1977, it signaled the company's commitment to the standard motorcycle segment. Built in United Kingdom, this standard motorcycle embodied the spirit of 1970s motorcycling.

At the heart of the 1977 Triumph T140V Silver Jubilee sits a 744cc OHV twin engine producing 52 horsepower at 6200 rpm. The twin-cylinder powerplant features a twin-cylinder layout with air-cooled cooling, fed by 2x Amal carburetors. Power reaches the rear wheel through a 5-speed transmission and chain final drive.

Weighing 185 kg (408 lbs) dry, the 1977 Triumph T140V Silver Jubilee uses a steel single cradle frame, telescopic fork front suspension, and twin shock rear suspension. The braking system comprises single disc front and drum rear units.

Performance-wise, the 1977 Triumph T140V Silver Jubilee achieves a claimed top speed of 175 km/h (109 mph). With a fuel capacity of 14.0 liters, it offers reasonable range for standard motorcycle duties. The seat height of 790 mm makes it comfortable for most riders.

Today, the 1977 Triumph T140V Silver Jubilee is considered a desirable collector motorcycle that has appreciated significantly in value over the decades. Parts availability is rated as moderate, making ownership a dedicated pursuit. It remains an icon of Triumph motorcycling from 1970s.

Known Issues

  • Oil leaks from primary chaincase
  • Lucas electrics (nicknamed Prince of Darkness)
  • Amal carburettor wear and jetting issues

Fun Facts

  • The 1977 Triumph T140V Silver Jubilee is considered one of the most collectible motorcycles from Triumph
  • The 1977 Triumph T140V Silver Jubilee was produced in Triumph's United Kingdom facilities
  • The 1977 Triumph T140V Silver Jubilee featured a steel single cradle frame typical of 1970s design philosophy

Collector Information

Parts Availability
Moderate
Collector Rating
8/10

Resources & Parts