BSA B25 Star: history, specs, pictures
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| BSA B25 Star | |
| Manufacturer | |
|---|---|
| Also called | B 25 Star |
| Production | 1970 |
| Engine | single cylinder, four-stroke |
| Bore / Stroke | 67.0mm x 70.0mm |
| Top Speed | 84 mph (135 km/h) |
| Horsepower | 25.48 HP (19.0 KW) @ 7250RPM |
| Transmission | Gear box: 4-speed Final Drive: chain |
| Brakes | Front: expanding brake Rear: expanding brake |
| Front Tire | 3.25-18 |
| Rear Tire | 3.50-18 |
| Weight | 135.0 kg (wet) |
| Fuel Capacity | 3.7 Gallon (14.00 Liters) |
| Manuals | Service Manual |
The BSA B25 Star was a single cylinder, four-stroke standard produced by BSA in 1970. It could reach a top speed of 84 mph (135 km/h). Claimed horsepower was 25.48 HP (19.0 KW) @ 7250 RPM.
Engine[edit | edit source]
The engine was a air cooled single cylinder, four-stroke. A 67.0mm bore x 70.0mm stroke result in a displacement of just 247.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).
Drive[edit | edit source]
The bike has a 4-speed transmission.
Chassis[edit | edit source]
It came with a 3.25-18 front tire and a 3.50-18 rear tire. Stopping was achieved via expanding brake in the front and a expanding brake in the rear. The B25 Star was fitted with a 3.7 Gallon (14.00 Liters) fuel tank.