Enduro Bikes
1981Suzuki DR 400 S
19 fields on record
The 1981 Suzuki DR 400 S is a lightweight enduro machine designed for riders seeking dual-sport versatility. Its air-cooled single-cylinder engine delivers 27 horsepower with excellent fuel efficiency, making it ideal for both on-road commuting and light off-road exploration. The DR 400 S is best known for its reliable simplicity and manageable weight, appealing to novice and experienced riders alike.
- Capacity
- 396.0 ccm
- Engine
- Single
- Gearbox
- 5-speed
- Wet weight
- 141.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 27.0 HP (19.9 kW) @ 7500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built primarily for trail riding, green lanes, and light enduro use rather than fast road travel or long-distance touring.
- Built for
- A simple, rugged, air-cooled single with old-school drum brakes and a narrow torque-focused engine, giving it an honest, mechanical, back-to-basics feel.
- Not ideal for
- Not suitable for riders wanting high-speed highway cruising, modern comfort, or two-up touring capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 396.0 ccm
- Power
- 27.0 HP (19.9 kW) @ 7500 RPM
- Engine type
- Single
- Power/weight ratio
- 0.1915 HP/kg (wet)
- Bore x stroke
- 88.0 x 65.2 mm
- Compression
- 9.3:1
- 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
- 128.0 km/h (79.5 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Expanding brake
- Rear brakes
- Expanding brake
- Front tyre
- 3.00-21
- Rear tyre
- 4.60-18
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 | 1980 | 1981 |
|---|---|---|
| Capacity | 396 cc | 396 cc |
| Fuel capacity | 9 L | 9 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 DR 400 S?
The 1981 Suzuki DR 400 S has a Capacity of 396.0 ccm (24.17 cubic inches).
What engine power does the Suzuki DR 400 S have?
The 1981 Suzuki DR 400 S has a Power of 27.0 HP (19.9 kW) @ 7500 RPM.
How many gears does the Suzuki DR 400 S have?
The 1981 Suzuki DR 400 S has a Gearbox of 5-speed.
How much does the Suzuki DR 400 S weigh?
The 1981 Suzuki DR 400 S has a Wet weight of 141.0 kg (310.9 pounds).
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