The Kawasaki Z1100 ST motorcycle specifications include a 1,089 cc (66.45 cu in) engine, a 5-speed gearbox, and a listed weight of 271 kg (597.5 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 Kawasaki Z1100 ST 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 59% higher than the Kawasaki database average. Around the 86th percentile across Kawasaki models.
About 30% heavier than the Kawasaki database average. Around the 84th percentile across Kawasaki models.
About 18% larger than the Kawasaki database average. Around the 67th 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.
1,089 cc — larger displacement than about 86% of Kawasaki models.
271 kg — heavier than about 84% of Kawasaki models, or lighter than about 16%.
18 L — larger than about 67% of Kawasaki fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 3.50-19 |
|---|---|
| Rear tire size | 130/90-16 |
| Rear tire width | 130 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 16 in |
| Bore/stroke ratio | 1.10:1 (Oversquare) |
Engine specifications
| Engine type | In-line four, four-stroke |
|---|---|
| Displacement | 1,089 cc (66.45 cu in) |
| Bore × stroke | 72.5 x 66 mm (2.9 x 2.6 inches) |
| Compression ratio | 8.9:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Shaft drive (cardan) (final drive) |
Brakes, wheels and tires
| Front brakes | Dual disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 3.50-19 |
| Rear tire | 130/90-16 |
Dimensions and weight
| Wet weight | 271 kg (597.5 lb) |
|---|
Fuel and emissions
| Fuel capacity | 18.00 L (4.76 US gal) |
|---|
Performance
| Top speed | 212.0 km/h (131.7 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.