The Kawasaki ZR 550B Zephyr motorcycle specifications include a 553 cc (33.74 cu in) engine, a 6-speed gearbox, and a listed weight of 206 kg (454.2 lb).
Key specifications
How the Kawasaki ZR 550B Zephyr 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 19% lower than the Kawasaki database average. Around the 41st percentile across Kawasaki models.
Very close to the Kawasaki database average. Around the 47th percentile across Kawasaki models.
Very close to 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.
553 cc — larger displacement than about 41% of Kawasaki models.
206 kg — heavier than about 47% of Kawasaki models, or lighter than about 53%.
15 L — larger than about 37% of Kawasaki fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 110/80-17 |
|---|---|
| Rear tire size | 140/70-18 |
| Front tire width | 110 mm |
| Front tire aspect ratio | 80% |
| Front rim diameter | 17 in |
| Rear tire width | 140 mm |
| Rear tire aspect ratio | 70% |
| Rear rim diameter | 18 in |
| Estimated theoretical fuel range | 364 km |
| Bore/stroke ratio | 1.11:1 (Oversquare) |
Model information
| Year released | 1990 |
|---|
Engine specifications
| Engine type | In-line four, four-stroke |
|---|---|
| Displacement | 553 cc (33.74 cu in) |
| Torque | 40.0 Nm (4.1 kgf-m or 29.5 ft.lbs) @ 6,000 rpm |
| Bore × stroke | 58.0 x 52.4 mm (2.3 x 2.1 inches) |
| Compression ratio | 9.5:1 |
| Valves per cylinder | 2 |
| Cooling system | Oil & air |
| Fuel system | Carburettor |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Starting |
| Starter | Electric |
| Lubrication | Wet Sump |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet Plate |
Chassis and suspension
| Front suspension | 39mm Telescopic forks |
|---|---|
| Rear suspension | Dual Kayaba shocks with preload and rebound adjustments |
Brakes, wheels and tires
| Front brakes | Double disc. Two-piston calipers. |
|---|---|
| Rear brakes | Single disc. Single-piston caliper. |
| Front tire | 110/80-17 |
| Rear tire | 140/70-18 |
Dimensions and weight
| Wet weight | 206 kg (454.2 lb) |
|---|---|
| Dry weight | 179 kg (394.6 lb) |
Fuel and emissions
| Fuel capacity | 14.98 L (3.96 US gal) |
|---|---|
| Fuel consumption | 4.12 L/100 km (24.3 km/l or 57.09 mpg) |
| Greenhouse gases | 95.6 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Performance
| Top speed | 220.5 km/h (137.0 mph) |
|---|---|
| 1/4 mile | 13.79 seconds |
| Power/weight ratio | 0.2793 hp/kg |
Other specifications
| Price as new | US$ 4995. MSRP depends on country, taxes, accessories, etc. |
|---|---|
| Comments | Area code US,CAL. Frame range JKAZRFB1_LA 000001 – JKAZRFB1_LA 004000. Engine range KZ550DE 060001 – KZ550DE 999999. |
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.