Naked Motorcycles
1980Yamaha XS 400 Us. Custom
19 fields on record
The 1980 Yamaha XS 400 US is a lightweight air-cooled twin ideal for novice riders seeking an accessible entry into motorcycling. Known for its reliable overhead cam engine and nimble handling, this classic custom excels in urban commuting and weekend cruising. Its manageable weight and modest power delivery make it perfect for building riding confidence and skills.
- 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
- Built as a light, easygoing custom-styled cruiser for relaxed street riding rather than outright performance.
- Built for
- Has the charm of a simple, air-cooled classic twin with modest but adequate power for everyday cruising.
- Not ideal for
- Not suited to 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
- 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 Us. Custom?
The 1980 Yamaha XS 400 Us. Custom has a Capacity of 392.0 ccm (23.92 cubic inches).
What engine power does the Yamaha XS 400 Us. Custom have?
The 1980 Yamaha XS 400 Us. Custom has a Power of 27.0 HP (19.9 kW).
How many gears does the Yamaha XS 400 Us. Custom have?
The 1980 Yamaha XS 400 Us. Custom has a Gearbox of 6-speed.
How much does the Yamaha XS 400 Us. Custom weigh?
The 1980 Yamaha XS 400 Us. Custom has a Wet weight of 180.0 kg (396.8 pounds).
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