Cruisers
1981Honda CB 650 C
19 fields on record
The 1981 Honda CB 650 C is a middleweight custom cruiser that appeals to riders seeking an accessible, manageable motorcycle with authentic styling. Its air-cooled 627cc four-cylinder engine delivers smooth, reliable power suitable for both commuting and casual riding. Known for its comfortable ergonomics and classic custom aesthetic, it remains a practical choice for intermediate riders.
- Capacity
- 627.0 ccm
- Engine
- In-line four, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 220.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 63.0 HP (46.3 kW) @ 9000 RPM
What’s new for the 1981 Honda CB 650 C
vs the 1980| Spec | 1980 | 1981 |
|---|---|---|
| Front brakes | Single disc | Dual disc |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as an early-80s Japanese custom cruiser, it favors laid-back boulevard riding and easy in-line-four cruising over outright sport performance.
- Built for
- It has an easygoing, torque-friendly personality with smooth four-cylinder power delivery rather than aggressive punch.
- Not ideal for
- It's not the right choice for riders seeking serious off-road capability, track-day sharpness, or modern high-speed touring performance.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 627.0 ccm
- Power
- 63.0 HP (46.3 kW) @ 9000 RPM
- Engine type
- In-line four, four-stroke
- Power/weight ratio
- 0.2864 HP/kg
- Bore x stroke
- 59.8 x 55.8 mm
- Compression
- 9.0:1
- Cooling system
- Air
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 173.0 km/h (107.5 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Expanding brake
- Front tyre
- 3.50-19
- Rear tyre
- 130/90-16
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 | 1980 | 1981 |
|---|---|---|
| Capacity | 627 cc | 627 cc |
| Fuel capacity | 14 L | 14 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 650 C?
The 1981 Honda CB 650 C has a Capacity of 627.0 ccm (38.26 cubic inches).
What engine power does the Honda CB 650 C have?
The 1981 Honda CB 650 C has a Power of 63.0 HP (46.3 kW) @ 9000 RPM.
How many gears does the Honda CB 650 C have?
The 1981 Honda CB 650 C has a Gearbox of 5-speed.
How much does the Honda CB 650 C weigh?
The 1981 Honda CB 650 C has a Wet weight of 220.0 kg (485.0 pounds).
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