1967 BSA A50 Royal Star
Born in 1967, the 1967 BSA A50 Royal Star is a 499cc twin-cylinder standard motorcycle producing 34hp from BSA.
Specifications
Engine
- Type
- OHV twin
- Displacement
- 499 cc
- Cylinders
- 2
- Power
- 34 hp @ 7000 rpm
- Torque
- 36.0 Nm
- Compression
- —
- Bore × Stroke
- 65.5 × 74.0 mm
- Cooling
- Air-cooled
- Fuel System
- Amal carburetor
Chassis & Transmission
- Frame
- Steel single cradle
- Front Suspension
- Telescopic fork
- Rear Suspension
- Twin shock
- Front Brake
- Drum
- Rear Brake
- Drum
- Front Tyre
- —
- Rear Tyre
- —
- Transmission
- 4-speed
- Final Drive
- Chain
Performance
- Top Speed
- 155 km/h (96 mph)
- ¼ Mile
- —
Dimensions & Weight
- Dry Weight
- 175 kg (386 lbs)
- Wet Weight
- 188 kg (414 lbs)
- Seat Height
- 790 mm
- Wheelbase
- 1380 mm
- Ground Clearance
- —
- Fuel Capacity
- 14.0 L
History & Story
When BSA unveiled the 1967 BSA A50 Royal Star in 1967, it signaled the company's commitment to the standard motorcycle segment. Built in United Kingdom, this standard motorcycle embodied the spirit of 1960s motorcycling.
The 1967 BSA A50 Royal Star is motivated by a 499cc OHV twin twin-cylinder unit delivering 34hp at 7000 rpm. Breathing through Amal carburetor and kept cool by air-cooled, the engine drives through a 4-speed transmission with chain final drive.
The chassis employs a steel single cradle frame with telescopic fork up front and twin shock at the rear. Stopping power comes from drum front and drum rear brakes. Tipping the scales at 175 kg (386 lbs) dry, the 1967 BSA A50 Royal Star offers a manageable riding experience with a 1380 mm wheelbase.
Performance-wise, the 1967 BSA A50 Royal Star achieves a claimed top speed of 155 km/h (96 mph). With a fuel capacity of 14.0 liters, it offers reasonable range for standard motorcycle duties. The seat height of 790 mm makes it comfortable for most riders.
The 1967 BSA A50 Royal Star is motivated by a 499cc OHV twin twin-cylinder unit delivering 34hp at 7000 rpm. Breathing through Amal carburetor and kept cool by air-cooled, the engine drives through a 4-speed transmission with chain final drive.
The chassis employs a steel single cradle frame with telescopic fork up front and twin shock at the rear. Stopping power comes from drum front and drum rear brakes. Tipping the scales at 175 kg (386 lbs) dry, the 1967 BSA A50 Royal Star offers a manageable riding experience with a 1380 mm wheelbase.
Performance-wise, the 1967 BSA A50 Royal Star achieves a claimed top speed of 155 km/h (96 mph). With a fuel capacity of 14.0 liters, it offers reasonable range for standard motorcycle duties. The seat height of 790 mm makes it comfortable for most riders.
Known Issues
- Oil leaks typical of British singles and twins
- Lucas electrical components unreliable
- Primary chain adjustment critical
Fun Facts
- The 1967 BSA A50 Royal Star was produced in BSA's United Kingdom facilities
- The 1967 BSA A50 Royal Star featured a steel single cradle frame typical of 1960s design philosophy
Collector Information
- Parts Availability
- Moderate
- Collector Rating
- 5/10
Resources & Parts
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