From CycleChaos
Jump to navigation Jump to search

Production 1971
Class Sport Bike
air-cooled, four-stroke, single cylinder, OHV
Bore / Stroke 83.8mm x 83.8mm
Compression ratio 10.0:1
Horsepower 34.06 HP (25.4 KW) @ 6200RPM
Torque 28.03 ft/lbs (38.0 Nm) @ 5000RPM
Transmission Gear box: 4-speed, manual

Final Drive: chain

Clutch: wet multi-disc, manual
Suspension Front: telescopic fork
Rear: dual shocks
Brakes Front: drum
Rear: drum
Front Tire 3.25 x 18
Rear Tire 3.5 x 18
Wheelbase 54.02 inches (1372 mm)
Length 85.0 inches (2159 mm)
Width 29.02 inches (737 mm)
Seat Height 32.01 inches (813 mm)
Weight 140.0 kg (wet)
Manuals Service Manual

The BSA B50 SS was a air-cooled, four-stroke, single cylinder, OHV Sport Bike motorcycle produced by BSA in 1971. Max torque was 28.03 ft/lbs (38.0 Nm) @ 5000 RPM. Claimed horsepower was 34.06 HP (25.4 KW) @ 6200 RPM.

Engine[edit | edit source]

A 83.8mm bore x 83.8mm stroke result in a displacement of just 499.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 4-speed, manual transmission. Power was moderated via the wet multi-disc, manual.

Chassis[edit | edit source]

It came with a 3.25 x 18 front tire and a 3.5 x 18 rear tire. Stopping was achieved via drum in the front and a drum in the rear. The front suspension was a telescopic fork while the rear was equipped with a dual shocks. The wheelbase was 54.02 inches (1372 mm) long.

1971 - 1973 BSA B50 SS[edit | edit source]

1971 - 1973 BSA B50 SS 1971 - 1973 BSA B50 SS 1971 - 1973 BSA B50 SS

The SS version of the B50 from BSA is addressed for those riders who want more performance from their machine. It comes with features such as laced wheels, a dual seat, pillion grab rails, front and rear blinkers, a telescopic front fork, dual shocks in the rear, drum brakes, wide handlebars, analogue instrumentation dials and a red and black paint scheme.

In the engine department it comes equipped with a four-stroke, air-cooled, 499cc, single cylinder powerhouse paired to a four-speed manual transmission that can reach a maximum power output of 34 horsepower and 38 Nm of torque.