The Kawasaki W1 motorcycle specifications include a 624 cc (38.08 cu in) engine, power of 52.3 hp (38.2 kW) @ 6,500 rpm, a 4-speed gearbox, and a listed weight of 181 kg (399 lb).
Key specifications
The 1965 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Kawasaki W1 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 29% lower than the Kawasaki database average. Around the 47th percentile across Kawasaki models.
About 9% lower than the Kawasaki database average. Around the 46th percentile across Kawasaki models.
Very close to the Kawasaki database average. Around the 41st 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.
52.3 hp — more powerful than about 47% of Kawasaki models with power data.
624 cc — larger displacement than about 46% of Kawasaki models.
15 L — larger than about 41% of Kawasaki fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 3.25-19 |
|---|---|
| Rear tire size | 3.50-18 |
| Power-to-weight ratio | 0.289 hp/kg |
| Power-to-weight | 289.0 hp/tonne |
| Specific power | 83.8 hp/L |
| Bore/stroke ratio | 1.02:1 (Square) |
Model information
| Category | Allround |
|---|
Engine specifications
| Engine type | Twin, four-stroke |
|---|---|
| Displacement | 624 cc (38.08 cu in) |
| Power | 52.3 hp (38.2 kW) @ 6,500 rpm |
| Torque | 55.0 Nm (5.6 kgf-m or 40.6 ft.lbs) @ 5,900 rpm |
| Bore × stroke | 74.0 x 72.6 mm (2.9 x 2.9 inches) |
| Compression ratio | 8.7:1 |
| Cooling system | Air |
| Fuel system | Carburettor. Mikuni |
| Fuel control | Pushrods |
Transmission and drivetrain
| Gearbox | 4-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front suspension | Telescopic fork |
|---|---|
| Rear suspension | Swingarm |
Brakes, wheels and tires
| Front brakes | Expanding brake (drum brake) |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 3.25-19 |
| Rear tire | 3.50-18 |
Dimensions and weight
| Dry weight | 181 kg (399 lb) |
|---|
Fuel and emissions
| Fuel capacity | 15.00 L (3.96 US gal) |
|---|
Performance
| Top speed | 140.0 km/h (87.0 mph) |
|---|---|
| Power/weight ratio | 0.2890 hp/kg |
Other specifications
| Seat | Dual |
|---|
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.