Naked Motorcycles
1990Honda CB 450 S
19 fields on record
The 1990 Honda CB 450 S is a lightweight sport-touring middleweight that suits riders seeking accessible performance and versatility. Its 447cc air-cooled parallel-twin engine delivers 44 horsepower with manageable handling, making it ideal for commuting and weekend rides. Known for reliability and fuel efficiency, it represents Honda's practical approach to affordable sport-touring motorcycles.
- Capacity
- 447.0 ccm
- Engine
- Parallel Twin
- Gearbox
- 6-speed
- Wet weight
- 185.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 44.0 HP (32.4 kW) @ 9000 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's a lightweight sport-touring machine best suited for commuting, learning, and relaxed weekend rides rather than aggressive performance riding.
- Built for
- The air-cooled twin delivers a mellow, easygoing character with modest torque and a classic mechanical feel rather than outright excitement.
- Not ideal for
- It's not a good fit for riders seeking high-speed thrills, serious off-road capability, or long-distance two-up touring comfort.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 447.0 ccm
- Power
- 44.0 HP (32.4 kW) @ 9000 RPM
- Engine type
- Parallel Twin
- Power/weight ratio
- 0.2378 HP/kg
- Bore x stroke
- 75.0 x 50.6 mm
- Compression
- 9.3:1
- Cooling system
- Air
- Valves per cylinder
- 3
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 163.0 km/h (101.3 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Expanding brake
- Front tyre
- 100/90-18
- Rear tyre
- 110/90-18
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 | 1986 | 1987 | 1988 | 1989 | 1990 |
|---|---|---|---|---|---|
| Capacity | 447 cc | 447 cc | 447 cc | 447 cc | 447 cc |
| Fuel capacity | 18 L | 18 L | 18 L | 18 L | 18 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 450 S?
The 1990 Honda CB 450 S has a Capacity of 447.0 ccm (27.28 cubic inches).
What engine power does the Honda CB 450 S have?
The 1990 Honda CB 450 S has a Power of 44.0 HP (32.4 kW) @ 9000 RPM.
How many gears does the Honda CB 450 S have?
The 1990 Honda CB 450 S has a Gearbox of 6-speed.
How much does the Honda CB 450 S weigh?
The 1990 Honda CB 450 S has a Wet weight of 185.0 kg (407.9 pounds).
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