ZR 550B Zephyr

1/4 mile (0.4 km)

13.79 seconds

Bore x stroke

58.0 x 52.4 mm (2.3 x 2.1 inches)

Clutch

Wet Plate

Comments

Area code US,CAL. Frame range JKAZRFB1_LA 000001 - JKAZRFB1_LA 004000. Engine range KZ550DE 060001 - KZ550DE 999999.

Compression

9.5:1

Cooling system

Oil & air

Diameter

300 mm (11.8 inches)

Dry weight

179.0 kg (394.6 pounds)

Effect

50.0 HP (36.5 kW)) @ 10000 RPM

Engine size

553.0 ccm (33.74 cubic inches)

Front brakes

Double disc. Two-piston calipers.

Front suspension

39mm Telescopic forks

Front tire

110/80-17

Fuel capacity

14.98 litres (3.96 US gallons)

Fuel consumption

4.12 litres/100 km (24.3 km/l or 57.09 mpg)

Fuel control

Double Overhead Cams/Twin Cam (DOHC)

Fuel system

Carburettor

Gearbox

6-speed

Greenhouse gases

95.6 CO2 g/km. (CO2 - Carbon dioxide emission)

Ignition

Starting

Lubrication system

Wet Sump

Maximum RPM

10200

Model

Kawasaki ZR 550B Zephyr

Power/weight ratio

0.2793 HP/kg

Price as new

US$ 4995. MSRP depends on country, taxes, accessories, etc.

Rear brakes

Single disc. Single-piston caliper.

Rear suspension

Dual Kayaba shocks with preload and rebound adjustments

Rear tire

140/70-18

Starter

Electric

Top speed

220.5 km/h (137.0 mph)

Torque

40.0 Nm (4.1 kgf-m or 29.5 ft.lbs) @ 6000 RPM

Transmission type

Chain (final drive)

Type

Naked bike

Type of engine

In-line four, four-stroke

Valves per cylinder

2

Weight incl. oil, gas, etc

206.0 kg (454.2 pounds)

Year model

1990