The Kawasaki 400 S3 Mach II motorcycle specifications include a 400 cc (24.41 cu in) engine, power of 40 hp (29.2 kW) @ 7,000 rpm, a 5-speed gearbox, and a listed weight of 174 kg (383.6 lb).
Key specifications
How the Kawasaki 400 S3 Mach II 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 46% lower than the Kawasaki database average. Around the 27th percentile across Kawasaki models.
About 42% lower than the Kawasaki database average. Around the 32nd percentile across Kawasaki models.
About 16% lighter than the Kawasaki database average. Around the 29th percentile across Kawasaki models.
About 8% smaller than the Kawasaki database average. Around the 37th 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.
40 hp — more powerful than about 27% of Kawasaki models with power data.
400 cc — larger displacement than about 32% of Kawasaki models.
174 kg — heavier than about 29% of Kawasaki models, or lighter than about 71%.
14 L — larger than about 37% of Kawasaki fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 3.25-18 |
|---|---|
| Rear tire size | 3.50-18 |
| Power-to-weight ratio | 0.230 hp/kg |
| Power-to-weight | 229.9 hp/tonne |
| Specific power | 100.0 hp/L |
| Bore/stroke ratio | 1.09:1 (Oversquare) |
Model information
| Year released | 1974 |
|---|---|
| Category | Sport |
Engine specifications
| Engine type | In-line three, two-stroke |
|---|---|
| Displacement | 400 cc (24.41 cu in) |
| Power | 40 hp (29.2 kW) @ 7,000 rpm |
| Bore × stroke | 57.0 x 52.3 mm (2.2 x 2.1 inches) |
| Compression ratio | 6.5:1 |
| Cooling system | Air |
| Fuel control | Port control |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Expanding brake |
| Front tire | 3.25-18 |
| Rear tire | 3.50-18 |
Dimensions and weight
| Wet weight | 174 kg (383.6 lb) |
|---|
Fuel and emissions
| Fuel capacity | 14.00 L (3.70 US gal) |
|---|
Performance
| Top speed | 167.0 km/h (103.8 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 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.