Naked Motorcycles
1983Suzuki GSX 400 S
19 fields on record
The 1983 Suzuki GSX 400 S is a lightweight naked bike ideal for novice and intermediate riders seeking an accessible, no-frills motorcycle. Its air-cooled 399cc twin engine delivers modest but manageable power for urban commuting and weekend rides. Known for its reliability, nimble handling, and affordability, this model exemplifies the practical middleweight sportbike of the early 1980s.
- Capacity
- 399.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 6-speed
- Wet weight
- 190.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 27.0 HP (19.9 kW) @ 7800 RPM
What’s new for the 1983 Suzuki GSX 400 S
vs the 1982| Spec | 1982 | 1983 |
|---|---|---|
| Power | 27.0 HP (19.9 kW) | 27.0 HP (19.9 kW) @ 7800 RPM |
| Wet weight | 194.0 kg (427.7 pounds) | 190.0 kg (418.9 pounds) |
| Compression | 9.0:1 | 10.0:1 |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It is a low-displacement air-cooled naked bike intended for relaxed commuting and casual street riding rather than outright performance.
- Built for
- The bike has a classic, understated air-cooled twin character with modest power delivery and simple, approachable mechanics.
- Not ideal for
- It is not suited for riders seeking high-speed touring, aggressive track performance, or 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
- 27.0 HP (19.9 kW) @ 7800 RPM
- Engine type
- Parallel Twin, four-stroke
- Power/weight ratio
- 0.1421 HP/kg (wet)
- Bore x stroke
- 67.0 x 56.6 mm
- Compression
- 10.0:1
- Cooling system
- Air
- Valves per cylinder
- 4
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 151.0 km/h (93.8 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 | 399 cc | 399 cc | 399 cc | 399 cc | 399 cc |
| Fuel capacity | 15 L | 15 L | 15 L | 15 L | 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 Suzuki GSX 400 S?
The 1983 Suzuki GSX 400 S has a Capacity of 399.0 ccm (24.35 cubic inches).
What engine power does the Suzuki GSX 400 S have?
The 1983 Suzuki GSX 400 S has a Power of 27.0 HP (19.9 kW) @ 7800 RPM.
How many gears does the Suzuki GSX 400 S have?
The 1983 Suzuki GSX 400 S has a Gearbox of 6-speed.
How much does the Suzuki GSX 400 S weigh?
The 1983 Suzuki GSX 400 S has a Wet weight of 190.0 kg (418.9 pounds).
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