Naked Motorcycles
1981Suzuki GS 450 S
19 fields on record
The 1981 Suzuki GS 450 S is an accessible middleweight twin suited for novice and returning riders seeking reliable everyday transport. Known for its fuel-efficient air-cooled engine and nimble handling, this lightweight allrounder excels at daily commuting and casual weekend rides with its forgiving nature and manageable power delivery.
- Capacity
- 448.0 ccm
- Engine
- Parallel Twin
- Gearbox
- 6-speed
- Wet weight
- 191.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 27.0 HP (19.9 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed as a light, air-cooled all-rounder for commuting and casual weekend rides rather than outright performance.
- Built for
- A classic, unpretentious middleweight twin that rewards smooth, relaxed riding over aggressive throttle use.
- Not ideal for
- Not a good fit for riders seeking high-speed touring capability, serious two-up comfort, or any off-road ambition.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 448.0 ccm
- Power
- 27.0 HP (19.9 kW)
- Engine type
- Parallel Twin
- Power/weight ratio
- 0.1414 HP/kg (wet)
- Bore x stroke
- 71.0 x 56.6 mm
- Compression
- 9.0:1
- Cooling system
- Air
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 160.0 km/h (99.4 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Front tyre
- 3.00-18
- Rear tyre
- 3.75-18
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 | 1981 | 1983 | 1985 | 1986 | 1988 |
|---|---|---|---|---|---|
| Capacity | 448 cc | 448 cc | 448 cc | 448 cc | 448 cc |
| Fuel capacity | 15 L | 15 L | 15 L | 15 L | 16 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 Suzuki GS 450 S?
The 1981 Suzuki GS 450 S has a Capacity of 448.0 ccm (27.34 cubic inches).
What engine power does the Suzuki GS 450 S have?
The 1981 Suzuki GS 450 S has a Power of 27.0 HP (19.9 kW).
How many gears does the Suzuki GS 450 S have?
The 1981 Suzuki GS 450 S has a Gearbox of 6-speed.
How much does the Suzuki GS 450 S weigh?
The 1981 Suzuki GS 450 S has a Wet weight of 191.0 kg (421.1 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
Please log in or register if you'd like to leave a comment.
Own one? Add it to My Garage and write an owner review with an Owner badge.