The Suzuki GSX-R 400 motorcycle specifications include a 398 cc (24.29 cu in) engine, a 6-speed gearbox, and a listed weight of 152 kg (335.1 lb).
Key specifications
How the Suzuki GSX-R 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 35% lower than the Suzuki database average. Around the 38th 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.
398 cc — larger displacement than about 38% of Suzuki models.
15 L — larger than about 50% of Suzuki fuel tanks in this database.
Dimensions compared with Suzuki average
Each measurement is compared with the average value across Suzuki models where that dimension is available.
2,090
2,137
Close to average.
710
823
14% below average.
1,185
1,158
Close to average.
1,425
1,444
Close to average.
Mechanical overview
Additional useful specifications
| Front tire size | 110/90-16 54h |
|---|---|
| Rear tire size | 110/90-18 61h |
| Front tire width | 110 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 16 in |
| Rear tire width | 110 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 18 in |
| Bore/stroke ratio | 1.17:1 (Oversquare) |
Model information
| Year released | 1984 |
|---|---|
| Category | Sport |
Engine specifications
| Engine type | In-line four, four-stroke |
|---|---|
| Displacement | 398 cc (24.29 cu in) |
| Torque | 44.0 Nm (4.5 kgf-m or 32.5 ft.lbs) @ 9,000 rpm |
| Bore × stroke | 53.0 x 45.2 mm (2.1 x 1.8 inches) |
| Compression ratio | 11.5:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Carburettor. AS27VW x 2 |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Starter | Electric |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet multi-plate |
Chassis and suspension
| Frame | Aluminum angular pipe double cradle |
|---|---|
| Front suspension | Telescopic |
| Rear suspension | Full floater swing arm, non-adjustable |
| Rake | 27.3° |
| Trail | 96 mm (3.8 inches) |
Brakes, wheels and tires
| Front brakes | Double disc. Dual hydraulic disc, four piston calipers |
|---|---|
| Rear brakes | Single disc. Single hydraulic disc, dual piston calipers |
| Front tire | 110/90-16 54h |
| Rear tire | 110/90-18 61h |
Dimensions and weight
| Dry weight | 152 kg (335.1 lb) |
|---|---|
| Overall length | 2,090 mm (82.3 inches) |
| Overall width | 710 mm (28.0 inches) |
| Overall height | 1,185 mm (46.7 inches) |
| Wheelbase | 1,425 mm (56.1 inches) |
Fuel and emissions
| Fuel capacity | 15.00 L (3.96 US gal) |
|---|
Performance
| Top speed | 175.0 km/h (108.7 mph) |
|---|---|
| Power/weight ratio | 0.3882 hp/kg |
Other specifications
| Color options | Black/Red, Black/White/Blue, Yellow |
|---|
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.