Triumph TR 6: history, specs, pictures

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The Triumph TR 6 Thunderbird was a twin, four-stroke allround motorcycle produced between 1971 and 1983. It could reach a top speed of 99 mph (160 km/h). Claimed horsepower was 41.17 HP (30.7 KW) @ 6500 RPM.

Engine[edit]

The engine was a air cooled twin, four-stroke. A 76.0mm bore x 71.5mm stroke result in a displacement of just 648.0 cubic centimeters. The engine featured a 9.0:1 compression ratio. Fuel was supplied via a overhead valves (ohv).

Drive[edit]

The bike has a 5-speed transmission. The final drive was via chain.

Chassis[edit]

It came with a 3.25-19 front tire and a 4.00-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The TR 6 Thunderbird was fitted with a 4.89 Gallon (18.50 Liters) fuel tank.

In Media[edit]

Triumph TR 6
Manufacturer
Also called TR 6 V Tiger 650, TR 6 R Tiger 650, TR 6 Thunderbird
Production 1971 - 1983
Class Road
Engine
twin, four-stroke
Bore / Stroke 76.0mm x 71.5mm
Top Speed 99 mph (160 km/h)
Horsepower 41.17 HP (30.7 KW) @ 6500RPM
Transmission Gear box: 5-speed
Final Drive: chain
Brakes Front: single disc
Rear: expanding brake
Front Tire 3.25-19
Rear Tire 4.00-18
Weight 190.0 kg (wet)
Fuel Capacity 4.89 Gallon (18.50 Liters)
Manuals Service Manual


The Triumph TR 6 Thunderbird was a twin, four-stroke Road motorcycle produced by Triumph between 1971 and 1983. It could reach a top speed of 99 mph (160 km/h). Claimed horsepower was 41.17 HP (30.7 KW) @ 6500 RPM.

Engine[edit]

The engine was a air cooled twin, four-stroke. A 76.0mm bore x 71.5mm stroke result in a displacement of just 648.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).

Drive[edit]

The bike has a 5-speed transmission.

Chassis[edit]

It came with a 3.25-19 front tire and a 4.00-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The TR 6 Thunderbird was fitted with a 4.89 Gallon (18.50 Liters) fuel tank.

In Media[edit]