Naked Motorcycles
1988Yamaha XS 400 DOHC
19 fields on record
The 1988 Yamaha XS 400 DOHC is an accessible naked bike ideal for beginner and intermediate riders. Its lightweight 187 kg frame and manageable 45 horsepower twin engine deliver responsive handling and straightforward reliability. Known for excellent fuel efficiency and practical everyday performance, it remains a popular entry-level choice for riders seeking accessible sport riding capability.
- Capacity
- 399.0 ccm
- Engine
- Parallel Twin
- Gearbox
- 6-speed
- Wet weight
- 187.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 45.0 HP (33.1 kW) @ 9500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's best suited for light commuting, weekend backroad rides, and easy sport-touring rather than serious speed or distance work.
- Built for
- The air-cooled DOHC twin has a classic, understated charm that rewards smooth, relaxed riding over aggressive throttle use.
- Not ideal for
- This is not the bike for riders seeking high-speed thrills, off-road capability, or serious long-haul touring comfort with a passenger.
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
- 45.0 HP (33.1 kW) @ 9500 RPM
- Engine type
- Parallel Twin
- Power/weight ratio
- 0.2406 HP/kg
- Bore x stroke
- 69.0 x 53.4 mm
- Compression
- 9.7:1
- 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
- 168.0 km/h (104.4 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Front tyre
- 3.00-18
- Rear tyre
- 4.10-18
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 | 1982 | 1984 | 1986 | 1988 | 1990 |
|---|---|---|---|---|---|
| Capacity | 399 cc | 399 cc | 399 cc | 399 cc | 399 cc |
| Fuel capacity | 18 L | 18 L | 18 L | 18 L | 18 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 DOHC?
The 1988 Yamaha XS 400 DOHC has a Capacity of 399.0 ccm (24.35 cubic inches).
What engine power does the Yamaha XS 400 DOHC have?
The 1988 Yamaha XS 400 DOHC has a Power of 45.0 HP (33.1 kW) @ 9500 RPM.
How many gears does the Yamaha XS 400 DOHC have?
The 1988 Yamaha XS 400 DOHC has a Gearbox of 6-speed.
How much does the Yamaha XS 400 DOHC weigh?
The 1988 Yamaha XS 400 DOHC has a Wet weight of 187.0 kg (412.3 pounds).
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