Triumph Bonneville TT: history, specs, pictures

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The Triumph Bonneville T120TT was a twin, four-stroke sport motorcycle produced between 1963 and 1967. It could reach a top speed of 115 mph (185 km/h). Claimed horsepower was 50.96 HP (38.0 KW) @ 6500 RPM.

Engine[edit]

The engine was a air cooled twin, four-stroke. A 71.0mm bore x 82.0mm stroke result in a displacement of just 649.0 cubic centimeters. The engine featured a 11.0:1 compression ratio. Fuel was supplied via a overhead valves (ohv).

Drive[edit]

The bike has a 4-speed transmission. The final drive was via chain. Power was moderated via the multi-plate, wet.

Chassis[edit]

It came with a 3.50-19 front tire and a 4.00-18 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a telescopic fork, hydraulic damping. while the rear was equiped with a swing arm, 2 girling dampers. The Bonneville T120TT was fitted with a 2.5 Gallon (9.46 Liters) fuel tank. The bike weighed just 363.76 pounds (165.0 Kg). The wheelbase was 55.24 inches (1403 mm) long.

In Media[edit]

Triumph Bonneville TT
Manufacturer
Also called Bonneville TT Special, Bonneville T120TT
Production 1963 - 1967
Class Road
Engine
twin, four-stroke
Bore / Stroke 71.0mm x 82.0mm
Top Speed 115 mph (185 km/h)
Horsepower 50.96 HP (38.0 KW) @ 6500RPM
Fuel System carburetor. amal concentric 30mm
Ignition ac energy transfer (et)
Transmission Gear box: 4-speed

Final Drive: chain

Clutch: multi-plate, wet
Suspension Front: telescopic fork, hydraulic damping.
Rear: swing arm, 2 girling dampers
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 3.50-19
Rear Tire 4.00-18
Wheelbase 55.24 inches (1403 mm)
Seat Height 30.51 inches (775 mm)
Weight 363.76 pounds (165.0 Kg) (dry),
Fuel Capacity 2.5 Gallon (9.46 Liters)
Manuals Service Manual


The Triumph Bonneville T120TT was a twin, four-stroke Road motorcycle produced by Triumph between 1963 and 1967. It could reach a top speed of 115 mph (185 km/h). Claimed horsepower was 50.96 HP (38.0 KW) @ 6500 RPM.

Engine[edit]

The engine was a air cooled twin, four-stroke. A 71.0mm bore x 82.0mm stroke result in a displacement of just 649.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).

Drive[edit]

The bike has a 4-speed transmission. Power was moderated via the multi-plate, wet.

Chassis[edit]

It came with a 3.50-19 front tire and a 4.00-18 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a telescopic fork, hydraulic damping. while the rear was equipped with a swing arm, 2 girling dampers. The Bonneville T120TT was fitted with a 2.5 Gallon (9.46 Liters) fuel tank. The bike weighed just 363.76 pounds (165.0 Kg). The wheelbase was 55.24 inches (1403 mm) long.

In Media[edit]