1971 BSA B50SS

BSA B50SS 1971


1971 BSA B50SS specifications, pictures, reviews and rating

General information
Motorcycle name BSA B50SS
Year 1971
Category Sport
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Engine and transmission
Displacement 499.0 ccm (30.45 cubic inches)
Engine type Single cylinder, four-stroke
Power 33.5 HP (24.5 kW)) @ 6200 RPM
Torque 37.9 Nm (3.9 kgf-m or 28.0 ft.lbs) @ 5000 RPM
Top speed 136.8 km/h (85.0 mph)
Compression 10.0:1
Bore x stroke 84.0 x 90.0 mm (3.3 x 3.5 inches)
Fuel system Carburettor
Fuel control Overhead Valves (OHV)
Ignition Lucas RM21
Cooling system Air
Transmission type Chain (final drive)
Clutch Wet, multiplate
Chassis, suspension, brakes and wheels
Frame type Welded, with larger diameter Top Tube
Front suspension Telescopic
Rear suspension Swingarm , Dual Shocks
Front tire 3.25-18
Rear tire 3.25-18
Front brakes Expanding brake (drum brake)
Rear brakes Expanding brake (drum brake)
Physical measures and capacities
Dry weight 140.6 kg (310.0 pounds)
Power/weight ratio 0.2385 HP/kg
Seat height 813 mm (32.0 inches) If adjustable, lowest setting.
Overall height 1105 mm (43.5 inches)
Overall length 2159 mm (85.0 inches)
Overall width 737 mm (29.0 inches)
Ground clearance 191 mm (7.5 inches)
Wheelbase 1372 mm (54.0 inches)
Other specifications
Color options Red
Starter Kick
Update specsReport missing specs or required updates.
Further information
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