The Suzuki GSX 400 F Katana motorcycle specifications include a 399 cc (24.35 cu in) engine, power of 42 hp (30.7 kW) @ 10,500 rpm, a 6-speed gearbox, and a listed weight of 197 kg (434.3 lb).
Key specifications
The 1981 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Suzuki GSX 400 F Katana 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 36% lower than the Suzuki database average. Around the 38th 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 49th percentile across Suzuki models.
About 6% larger than the Suzuki database average. Around the 50th 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.
42 hp — more powerful than about 38% of Suzuki models with power data.
399 cc — larger displacement than about 40% of Suzuki models.
197 kg — heavier than about 49% of Suzuki models, or lighter than about 51%.
15 L — larger than about 50% of Suzuki fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 3.25-19 |
|---|---|
| Rear tire size | 3.75-18 |
| Power-to-weight ratio | 0.213 hp/kg |
| Power-to-weight | 213.2 hp/tonne |
| Specific power | 105.3 hp/L |
| Bore/stroke ratio | 1.17:1 (Oversquare) |
Engine specifications
| Engine type | In-line four, four-stroke |
|---|---|
| Displacement | 399 cc (24.35 cu in) |
| Power | 42 hp (30.7 kW) @ 10,500 rpm |
| Bore × stroke | 53.0 x 45.2 mm (2.1 x 1.8 inches) |
| Compression ratio | 10.5:1 |
| 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 | Dual disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 3.25-19 |
| Rear tire | 3.75-18 |
Dimensions and weight
| Wet weight | 197 kg (434.3 lb) |
|---|
Fuel and emissions
| Fuel capacity | 15.00 L (3.96 US gal) |
|---|
Performance
| Top speed | 170.0 km/h (105.6 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.