Naked Motorcycles
1991Honda CB-1
21 fields on record
The 1991 Honda CB-1 is a compact naked bike for riders who love revs over torque, its 399 cc in-line four begging to be wrung out through all six gears. Best known as a rare, high-strung small-capacity four, it rewards commitment with 55.2 hp and a sweet, screaming top end. Light at 189 kg wet, it suits keen urban and back-road riders.
- Capacity
- 399.0 ccm
- Engine
- In-line four
- Gearbox
- 6-speed
- Wet weight
- 189.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 55.2 HP (41.2 kW)
What’s new for the 1991 Honda CB-1
vs the 1989| Spec | 1989 | 1991 |
|---|---|---|
| Top speed | 193.1 km/h (120.0 mph) | 173.0 km/h (107.5 mph) |
| Wet weight | — | 189.0 kg (416.7 pounds) |
| Fuel capacity | — | 15.00 litres (3.96 US gallons) |
| Rear suspension | monoshock | not listed |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's built as a lightweight, naked sportbike-styled machine ideal for spirited street riding and weekend backroad fun rather than outright speed or distance.
- Built for
- The CB-1 has a peppy, revvy in-line four character with a naked-bike stance, favoring nimble handling and engine enthusiasm over raw power or plush comfort.
- Not ideal for
- It's not a good fit for riders seeking long-distance touring comfort, heavy passenger carrying, or serious off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 399.0 ccm
- Power
- 55.2 HP (41.2 kW)
- Engine type
- In-line four
- Power/weight ratio
- 0.2921 HP/kg (wet)
- Bore x stroke
- 55.0 x 42.0 mm
- Compression
- 11.3:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Electric
- Valves per cylinder
- 4
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 173.0 km/h (107.5 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 110/70-17
- Rear tyre
- 140/70-17
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 | 1989 | 1991 |
|---|---|---|
| Capacity | 399 cc | 399 cc |
| Fuel capacity | — | 15 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 Honda CB-1?
The 1991 Honda CB-1 has a Capacity of 399.0 ccm (24.35 cubic inches).
What engine power does the Honda CB-1 have?
The 1991 Honda CB-1 has a Power of 55.2 HP (41.2 kW).
How many gears does the Honda CB-1 have?
The 1991 Honda CB-1 has a Gearbox of 6-speed.
How much does the Honda CB-1 weigh?
The 1991 Honda CB-1 has a Wet weight of 189.0 kg (416.7 pounds).
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