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BSA M 21 19531953 BSA M 21 specifications, pictures, reviews and rating |
| General information | |
|---|---|
| Model | BSA M 21 |
| Year model | 1953 |
| Type | Allround |
| Rating |
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| Engine and transmission | |
| Engine size | 591.0 ccm (36.06 cubic inches) |
| Type of engine | Single cylinder, four-stroke |
| Effect | 15.0 HP (10.9 kW)) @ 4000 RPM |
| Bore x stroke | 82.0 x 112.0 mm (3.2 x 4.4 inches) |
| Fuel system | Carburettor |
| Fuel control | Sidevalves |
| Ignition | Magneto |
| Transmission type | Chain (final drive) |
| Clutch | Wet multiplate |
| Chassis, suspension, brakes and wheels | |
| Frame type | Single cradle |
| Front suspension | Hydraulic telescopic |
| Rear suspension | Twin shock |
| Front tire | 3.25-19 |
| Rear tire | 3.25-19 |
| Front brakes | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) |
| Wheels | Spoked |
| Seat | Dual |
| Physical measures and capacities | |
| Dry weight | 180.0 kg (396.8 pounds) |
| Power/weight ratio | 0.0833 HP/kg |
| Fuel capacity | 11.36 litres (3.00 US gallons) |
| Other specifications | |
| Starter | Kick |
| Update specs | Report missing specs or required updates. |
| Further information | |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 53 BSA M 21 discussion group or the general BSA discussion group. |
| Related bikes | List related bikes for comparison of specs. |
| Compare with another motorcycle | |
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