Motocross Bikes
1990Husqvarna 400 WR
18 fields on record
The 1990 Husqvarna 400 WR is a lightweight single-cylinder two-stroke motocrosser designed for intermediate off-road riders. Known for its agile handling and responsive power delivery, it excels in cross-country and motocross disciplines. The 395cc engine combines competitive performance with manageable weight at just 110kg, making it accessible for riders developing their skills.
- Capacity
- 395.0 ccm
- Engine
- Single
- Gearbox
- 6-speed
- Wet weight
- 110.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 17.0 HP (12.5 kW) @ 5500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for cross-country and motocross use, not as a road or commuting machine, with its low top speed reflecting a focus on trail acceleration and control rather than outright velocity.
- Built for
- A raw, lightweight two-stroke enduro bike with sharp throttle response and minimal creature comforts, delivering an old-school dirt bike experience.
- Not ideal for
- Not a good fit for riders wanting highway comfort, passenger capability, or a modern smooth power delivery.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 395.0 ccm
- Power
- 17.0 HP (12.5 kW) @ 5500 RPM
- Engine type
- Single
- Power/weight ratio
- 0.1545 HP/kg (wet)
- Bore x stroke
- 82.5 x 74.0 mm
- Compression
- 12.5:1
- Cooling system
- Liquid
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 110.0 km/h (68.4 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Front tyre
- 90/90-21
- Rear tyre
- 140/80-18
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 | 1985 | 1986 | 1988 | 1989 | 1990 |
|---|---|---|---|---|---|
| Capacity | 395 cc | 395 cc | 395 cc | 395 cc | 395 cc |
| Fuel capacity | 10.5 L | 10.5 L | 10.5 L | 10.5 L | 10.5 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 Husqvarna 400 WR?
The 1990 Husqvarna 400 WR has a Capacity of 395.0 ccm (24.10 cubic inches).
What engine power does the Husqvarna 400 WR have?
The 1990 Husqvarna 400 WR has a Power of 17.0 HP (12.5 kW) @ 5500 RPM.
How many gears does the Husqvarna 400 WR have?
The 1990 Husqvarna 400 WR has a Gearbox of 6-speed.
How much does the Husqvarna 400 WR weigh?
The 1990 Husqvarna 400 WR has a Wet weight of 110.0 kg (242.5 pounds).
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