Naked Motorcycles
1980Yamaha XS 400
19 fields on record
The 1980 Yamaha XS 400 is an accessible middleweight twin designed for novice and budget-conscious riders seeking reliable everyday transportation. Its air-cooled 392cc parallel-twin engine delivers modest 27 horsepower with excellent fuel efficiency, while the lightweight 182kg frame and forgiving handling characteristics make it ideal for learning. Known for bulletproof reliability and low maintenance costs, the XS 400 remains a popular entry-level classic.
- Capacity
- 392.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 6-speed
- Wet weight
- 182.0 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
- Best suited to relaxed commuting, weekend rides, and general around-town duties rather than performance riding.
- Built for
- An honest, unpretentious air-cooled twin with a classic Japanese UJM feel and modest, predictable performance.
- Not ideal for
- Not the right choice for riders seeking high-speed thrills, serious touring range, 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, four-stroke
- Power/weight ratio
- 0.1484 HP/kg (wet)
- Bore x stroke
- 69.0 x 52.4 mm
- Compression
- 9.2:1
- 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
- 140.0 km/h (87.0 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 | 1980 | 1981 | 1982 |
|---|---|---|---|
| Capacity | 392 cc | 392 cc | 392 cc |
| Fuel capacity | 17 L | 17 L | 17 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 Yamaha XS 400?
The 1980 Yamaha XS 400 has a Capacity of 392.0 ccm (23.92 cubic inches).
What engine power does the Yamaha XS 400 have?
The 1980 Yamaha XS 400 has a Power of 27.0 HP (19.9 kW).
How many gears does the Yamaha XS 400 have?
The 1980 Yamaha XS 400 has a Gearbox of 6-speed.
How much does the Yamaha XS 400 weigh?
The 1980 Yamaha XS 400 has a Wet weight of 182.0 kg (401.2 pounds).
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