SR 500 Gold

2003 BSA SR 500 Gold Technical Analysis & Specification Breakdown

At the heart of the 2003 BSA SR 500 Gold classic motorcycle, BSA features a 499 cc (30.5 cu in) single cylinder, four-stroke configuration. In factory specification, peak output is rated at 34 HP (24.8 kW) at 7,000 rpm. With a specific output of 68.1 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the SR 500 Gold measures 145 kg (320 lbs) dry, translating to a power-to-weight ratio of 0.23 HP/kg (4.26 kg per horsepower). Rider ergonomics and chassis geometry center around a 780 mm (30.7 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,410 mm (55.5 in) wheelbase engineered for quick, flickable steering geometry. The 14-liter (3.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.