Naked Motorcycles
1981Yamaha XS 400 Special
19 fields on record
The 1981 Yamaha XS 400 Special is a lightweight middleweight cruiser ideal for beginner and intermediate riders seeking an accessible, reliable machine. Known for its manageable 27 horsepower air-cooled twin engine and low 180 kg weight, it delivers easy handling and fuel efficiency. This classic remains popular for urban commuting and casual weekend riding.
- Capacity
- 392.0 ccm
- Engine
- Parallel Twin
- Gearbox
- 6-speed
- Wet weight
- 180.0 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
- It's best suited for relaxed cruising, short commutes, and casual weekend rides rather than performance riding.
- Built for
- It has a laid-back, custom-styled cruiser character with modest performance and simple, classic mechanicals.
- Not ideal for
- It's not suited for riders seeking high speed, 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
- 392.0 ccm
- Power
- 27.0 HP (19.9 kW)
- Engine type
- Parallel Twin
- Power/weight ratio
- 0.1500 HP/kg (wet)
- Bore x stroke
- 69.0 x 52.4 mm
- Compression
- 9.3:1
- 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
- 139.0 km/h (86.4 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Front tyre
- 3.00-18
- Rear tyre
- 120/90-16
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the Yamaha XS 400 Special?
The 1981 Yamaha XS 400 Special has a Capacity of 392.0 ccm (23.92 cubic inches).
What engine power does the Yamaha XS 400 Special have?
The 1981 Yamaha XS 400 Special has a Power of 27.0 HP (19.9 kW).
How many gears does the Yamaha XS 400 Special have?
The 1981 Yamaha XS 400 Special has a Gearbox of 6-speed.
How much does the Yamaha XS 400 Special weigh?
The 1981 Yamaha XS 400 Special has a Wet weight of 180.0 kg (396.8 pounds).
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