1968 Triumph Bonneville T120R
Introduced in 1968, the 1968 Triumph Bonneville T120R features a 649cc OHV twin engine producing 46hp, establishing itself as a notable standard motorcycle.
Specifications
Engine
- Type
- OHV twin
- Displacement
- 649 cc
- Cylinders
- 2
- Power
- 46 hp @ 6500 rpm
- Torque
- 52.0 Nm
- Compression
- —
- Bore × Stroke
- 71.0 × 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
- Drum
- Rear Brake
- Drum
- Front Tyre
- —
- Rear Tyre
- —
- Transmission
- 4-speed
- Final Drive
- Chain
Performance
- Top Speed
- 180 km/h (112 mph)
- ¼ Mile
- —
Dimensions & Weight
- Dry Weight
- 170 kg (375 lbs)
- Wet Weight
- 184 kg (406 lbs)
- Seat Height
- 790 mm
- Wheelbase
- 1400 mm
- Ground Clearance
- —
- Fuel Capacity
- 14.0 L
History & Story
Triumph's 1968 Triumph Bonneville T120R arrived in 1968 as a standard motorcycle designed for the discerning rider. Produced in United Kingdom, it quickly earned recognition as a capable standard motorcycle from the 1960s.
The 1968 Triumph Bonneville T120R is motivated by a 649cc OHV twin twin-cylinder unit delivering 46hp at 6500 rpm. Breathing through 2x Amal carburetors and kept cool by air-cooled, the engine drives through a 4-speed transmission with chain final drive.
Weighing 170 kg (375 lbs) dry, the 1968 Triumph Bonneville T120R uses a steel single cradle frame, telescopic fork front suspension, and twin shock rear suspension. The braking system comprises drum front and drum rear units.
Performance-wise, the 1968 Triumph Bonneville T120R achieves a claimed top speed of 180 km/h (112 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 1968 Triumph Bonneville T120R is considered a desirable collector motorcycle that has appreciated significantly in value over the decades. Parts availability is rated as good, making ownership relatively straightforward. It remains an icon of Triumph motorcycling from 1960s.
The 1968 Triumph Bonneville T120R is motivated by a 649cc OHV twin twin-cylinder unit delivering 46hp at 6500 rpm. Breathing through 2x Amal carburetors and kept cool by air-cooled, the engine drives through a 4-speed transmission with chain final drive.
Weighing 170 kg (375 lbs) dry, the 1968 Triumph Bonneville T120R uses a steel single cradle frame, telescopic fork front suspension, and twin shock rear suspension. The braking system comprises drum front and drum rear units.
Performance-wise, the 1968 Triumph Bonneville T120R achieves a claimed top speed of 180 km/h (112 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 1968 Triumph Bonneville T120R is considered a desirable collector motorcycle that has appreciated significantly in value over the decades. Parts availability is rated as good, making ownership relatively straightforward. It remains an icon of Triumph motorcycling from 1960s.
Known Issues
- Oil leaks from primary chaincase
- Lucas electrics (nicknamed Prince of Darkness)
- Sludge trap cleaning essential
- Amal carburettor wear and jetting issues
Fun Facts
- The 1968 Triumph Bonneville T120R is considered one of the most collectible motorcycles from Triumph
- The 1968 Triumph Bonneville T120R was produced in Triumph's United Kingdom facilities
- The 1968 Triumph Bonneville T120R featured a steel single cradle frame typical of 1960s design philosophy
Collector Information
- Parts Availability
- Good
- Collector Rating
- 8/10
Resources & Parts
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