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MotoLibrary Score
43/100Commuter
Power/Weight
0.26 hp/kg
Torque
38 Nm
Engine
499 ccm
Technical Overview
1971 BSA Victor 500-Trail (B-50T) Technical Analysis & Specification Breakdown
Positioned in BSA's naked motorcycle lineup, the 1971 BSA Victor 500-Trail (B-50T) pairs a 499 cc (30.5 cu in) single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 34 HP (24.8 kW) at 6,200 rpm while maximum torque reaches 38 Nm (28 lb-ft) at 5,000 rpm, transferring power to the rear wheel through a 4-speed gearbox. With a specific output of 68.1 HP per liter and a 1,200 rpm working window between peak torque (5,000 rpm) and peak power (6,200 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the Victor 500-Trail (B-50T) measures 132.5 kg (292 lbs) dry, translating to a power-to-weight ratio of 0.26 HP/kg (3.9 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,372 mm (54 in) wheelbase engineered for quick, flickable steering geometry.
Specific Output
68.1 HP/L
Power-to-Weight
0.26 HP/kg (3.9 kg/HP)
Power Band Window
5,000–6,200 rpm
Engine
Displacement499.0 ccm (30.45 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power34.0 HP (24.8 kW)) @ 6200 RPM
Torque38.0 Nm (3.9 kgf-m or 28.0 ft.lbs) @ 5000 RPM
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
