1979

TR 7 RV Tiger (reduced effect)

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MotoLibrary Score

45 /100 Balanced

Power

26 HP

Top Speed

145 km/h

Engine

744 ccm

Technical Overview

1979 Triumph TR 7 RV Tiger (reduced effect) Technical Analysis & Specification Breakdown

Engineered by Triumph for the motorcycle segment, the 1979 Triumph TR 7 RV Tiger (reduced effect) features a 744 cc (45.4 cu in) air-cooled twin, four-stroke configuration. In factory specification, peak output is rated at 26 HP (19 kW) at 5,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 34.9 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the TR 7 RV Tiger (reduced effect) measures 197 kg (434 lbs) wet (curb), translating to a power-to-weight ratio of 0.13 HP/kg (7.58 kg per horsepower). The 18.5-liter (4.9 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 145 km/h (90 mph).

Specific Output

34.9 HP/L

Power-to-Weight

0.13 HP/kg (7.58 kg/HP)

Engine

Displacement 744.0 ccm (45.40 cubic inches)

Engine Type Twin, four-stroke

Engine Details Twin, four-stroke

Power 26.0 HP (19.0 kW)) @ 5000 RPM

Compression 7.4:1

Bore x Stroke 76.0 x 82.0 mm (3.0 x 3.2 inches)

Valves/Cylinder 2

Fuel Control Overhead Valves (OHV)

Cooling Air

Transmission

Gearbox 5-speed

Final Drive Chain (final drive)

Performance

Top Speed 145.0 km/h (90.1 mph)

Wheels & Brakes

Front Tyre 4.10-19

Rear Tyre 4.10-18

Front Brakes Single disc

Rear Brakes Single disc

Dimensions & Weight

Weight incl. 197.0 kg (434.3 pounds)

Fuel Capacity 18.50 litres (4.89 US gallons)

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Transmission

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Who Is This Bike For?

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Beginner

A2 license compatible, manageable power.

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