The Suzuki GSX 400 motorcycle specifications include a 399 cc (24.35 cu in) engine, power of 27 hp (19.7 kW) @ 8,000 rpm, a 6-speed gearbox, and a listed weight of 194 kg (427.7 lb).
Key specifications
How the Suzuki GSX 400 compares
This compares the motorcycle with all Suzuki models in this specifications database. The blue marker is this model and the grey line is the Suzuki database average.
About 59% lower than the Suzuki database average. Around the 32nd percentile across Suzuki models.
About 35% lower than the Suzuki database average. Around the 40th percentile across Suzuki models.
Very close to the Suzuki database average. Around the 47th percentile across Suzuki models.
Very close to the Suzuki database average. Around the 44th percentile across Suzuki models.
Suzuki database percentile rankings
Percentiles show where this motorcycle sits across the Suzuki specifications database. They are descriptive database rankings, not performance ratings.
27 hp — more powerful than about 32% of Suzuki models with power data.
399 cc — larger displacement than about 40% of Suzuki models.
194 kg — heavier than about 47% of Suzuki models, or lighter than about 53%.
14 L — larger than about 44% of Suzuki fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 3.00-18 |
|---|---|
| Rear tire size | 3.75-18 |
| Power-to-weight ratio | 0.139 hp/kg |
| Power-to-weight | 139.2 hp/tonne |
| Specific power | 67.7 hp/L |
| Bore/stroke ratio | 1.18:1 (Oversquare) |
Model information
| Year released | 1980 |
|---|
Engine specifications
| Engine type | Twin, four-stroke |
|---|---|
| Displacement | 399 cc (24.35 cu in) |
| Power | 27 hp (19.7 kW) @ 8,000 rpm |
| Bore × stroke | 67.0 x 56.6 mm (2.6 x 2.2 inches) |
| Compression ratio | 9.0:1 |
| Valves per cylinder | 4 |
| Cooling system | Air |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Expanding brake |
| Front tire | 3.00-18 |
| Rear tire | 3.75-18 |
Dimensions and weight
| Wet weight | 194 kg (427.7 lb) |
|---|
Fuel and emissions
| Fuel capacity | 14.00 L (3.70 US gal) |
|---|
Performance
| Top speed | 151.0 km/h (93.8 mph) |
|---|
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Suzuki models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Suzuki information before relying on them. Visit the official Suzuki website.