The Kawasaki FX 400 R motorcycle specifications include a 400 cc (24.41 cu in) engine, power of 59 hp (43.1 kW) @ 12,000 rpm, a 5-speed gearbox, and a listed weight of 170 kg (374.8 lb).
Key specifications
How the Kawasaki FX 400 R compares
This compares the motorcycle with all Kawasaki models in this specifications database. The blue marker is this model and the grey line is the Kawasaki database average.
About 20% lower than the Kawasaki database average. Around the 50th percentile across Kawasaki models.
About 42% lower than the Kawasaki database average. Around the 32nd percentile across Kawasaki models.
Kawasaki database percentile rankings
Percentiles show where this motorcycle sits across the Kawasaki specifications database. They are descriptive database rankings, not performance ratings.
59 hp — more powerful than about 50% of Kawasaki models with power data.
400 cc — larger displacement than about 32% of Kawasaki models.
Mechanical overview
Additional useful specifications
| Front tire size | 100/90-16 |
|---|---|
| Rear tire size | 120/90-16 |
| Front tire width | 100 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 16 in |
| Rear tire width | 120 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 16 in |
| Power-to-weight ratio | 0.347 hp/kg |
| Power-to-weight | 347.1 hp/tonne |
| Specific power | 147.5 hp/L |
| Bore/stroke ratio | 1.39:1 (Oversquare) |
Model information
| Year released | 1989 |
|---|
Engine specifications
| Engine type | In-line four, four-stroke |
|---|---|
| Displacement | 400 cc (24.41 cu in) |
| Power | 59 hp (43.1 kW) @ 12,000 rpm |
| Torque | 36.0 Nm (3.7 kgf-m or 26.6 ft.lbs) @ 10,500 rpm |
| Bore × stroke | 56.0 x 40.4 mm (2.2 x 1.6 inches) |
| Compression ratio | 11.0:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Carburettor |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 100/90-16 |
| Rear tire | 120/90-16 |
Dimensions and weight
| Dry weight | 170 kg (374.8 lb) |
|---|
Performance
| Power/weight ratio | 0.3471 hp/kg |
|---|
Other specifications
| Exhaust system | 4 into 1 |
|---|
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 Kawasaki models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Kawasaki information before relying on them. Visit the official Kawasaki website.