Naked Motorcycles
2025BSA Bantam 350
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The 2025 BSA Bantam 350 revives BSA's best-selling post-war lightweight as an A2-licence-friendly retro single. Its 334cc liquid-cooled DOHC engine produces 29 hp and 30 Nm of torque through a 6-speed gearbox, with an 800mm seat height and 185kg weight making it an approachable, easy-to-manage entry into classic BSA styling.
- Capacity
- 334.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Wet weight
- 185.0 kg
- Seat height
- 800 mm
- Power
- 29.0 HP (21.6 kW) @ 7750 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- A lightweight retro commuter built for city riding and short leisure trips rather than performance or touring.
- Built for
- A friendly, unhurried single-cylinder retro roadster reviving BSA's best-selling post-war lightweight.
- Not ideal for
- Not for highway touring, passengers, or riders wanting more than entry-level performance.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 334.0 ccm
- Power
- 29.0 HP (21.6 kW) @ 7750 RPM
- Torque
- 30.0 Nm (3.1 kgf-m) @ 6000 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1568 HP/kg (wet)
- Compression
- 11.0:1
- Cooling system
- Liquid
- Starting
- Electric
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
Dimensions & weight
- Wheelbase
- 1440 mm
- Seat height
- 800 mm
- Wet weight
- 185.0 kg
- Fuel capacity
- 13.00 litres
- Dry weight
- Not on record - add it
Chassis & suspension
- Front suspension
- Non-adjustable telescopic forks, 135mm travel
- Rear suspension
- Twin shocks, 5-step adjustable preload, 100mm travel
Brakes & wheels
- Front brakes
- Single disc. 320 mm. Floating caliper.
- Rear brakes
- Single disc. 240 mm. Floating hydraulic caliper.
- Front tyre
- 100/90-R18
- Rear tyre
- 150/70-R17
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2025 | 2026 |
|---|---|---|
| Capacity | 334 cc | 334 cc |
| Seat height | 800 mm | 800 mm |
| Fuel capacity | 13 L | 13 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the BSA Bantam 350?
The 2025 BSA Bantam 350 has a Capacity of 334.0 ccm (20.38 cubic inches).
What engine power does the BSA Bantam 350 have?
The 2025 BSA Bantam 350 has a Power of 29.0 HP (21.6 kW) @ 7750 RPM.
How many gears does the BSA Bantam 350 have?
The 2025 BSA Bantam 350 has a Gearbox of 6-speed.
What is the torque of the BSA Bantam 350?
The 2025 BSA Bantam 350 has a Torque of 30.0 Nm (3.1 kgf-m or 22.1 ft.lbs) @ 6000 RPM.
How much does the BSA Bantam 350 weigh?
The 2025 BSA Bantam 350 has a Wet weight of 185.0 kg (407.9 pounds).
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