Cruisers
1981Suzuki GS 450 L
19 fields on record
The 1981 Suzuki GS 450 L is a lightweight middleweight twin ideal for novice and intermediate riders seeking an affordable, reliable commuter or weekend runabout. Known for its simple air-cooled DOHC engine, manageable 42 horsepower, and nimble handling, it combines practical everyday usability with enough performance for spirited riding without intimidation.
- Capacity
- 448.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 6-speed
- Wet weight
- 189.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 42.0 HP (30.9 kW) @ 9000 RPM
What’s new for the 1981 Suzuki GS 450 L
vs the 1980| Spec | 1980 | 1981 |
|---|---|---|
| Power | 27.0 HP (19.9 kW) | 42.0 HP (30.9 kW) @ 9000 RPM |
| Top speed | 145.0 km/h (90.1 mph) | 165.0 km/h (102.5 mph) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's best suited for relaxed commuting, learning the ropes, and casual weekend rides rather than outright performance.
- Built for
- It has the honest, understated charm of a classic air-cooled twin, rewarding smooth, unhurried riding over aggression.
- Not ideal for
- This isn't the machine for riders craving high-speed thrills, long-distance touring comfort, or any 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
- 448.0 ccm
- Power
- 42.0 HP (30.9 kW) @ 9000 RPM
- Engine type
- Parallel Twin, four-stroke
- Power/weight ratio
- 0.2222 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
- 165.0 km/h (102.5 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Front tyre
- 3.60-19
- Rear tyre
- 4.60-16
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 | 1982 | 1984 | 1986 | 1988 |
|---|---|---|---|---|---|---|
| Capacity | 448 cc | 448 cc | 448 cc | 448 cc | 448 cc | 448 cc |
| Fuel capacity | 11 L | 11 L | 11 L | 11 L | 11 L | 11 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 L?
The 1981 Suzuki GS 450 L has a Capacity of 448.0 ccm (27.34 cubic inches).
What engine power does the Suzuki GS 450 L have?
The 1981 Suzuki GS 450 L has a Power of 42.0 HP (30.9 kW) @ 9000 RPM.
How many gears does the Suzuki GS 450 L have?
The 1981 Suzuki GS 450 L has a Gearbox of 6-speed.
How much does the Suzuki GS 450 L weigh?
The 1981 Suzuki GS 450 L has a Wet weight of 189.0 kg (416.7 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.