B 25 Star

Bore x stroke

67.0 x 70.0 mm (2.6 x 2.8 inches)

Category

Classic

Compression

9.5:1

Cooling system

Air

Displacement

247.0 ccm (15.07 cubic inches)

Engine type

Single cylinder, four-stroke

Front brakes

Expanding brake

Front tire

3.25-18

Fuel capacity

14.00 litres (3.70 US gallons)

Fuel control

Overhead Valves (OHV)

Gearbox

4-speed

Model

BSA B 25 Star

Power

26.0 HP (19.0 kW)) @ 7250 RPM

Rear brakes

Expanding brake

Rear tire

3.50-18

Top speed

135.0 km/h (83.9 mph)

Transmission type

Chain (final drive)

Valves per cylinder

2

Weight incl. oil, gas, etc

135.0 kg (297.6 pounds)

Year

1970