1981 Specs
Make and Model

1981 Kawasaki GPZ 550

Price

$2599

 

 

Engine

 

Type

Four Stroke Transverse vertical four
Air cooled
Double overhead chain driven Cams
2 valves per cylinder - Shim adjust

Compression

10 to 1

Bore and Stroke

58.0 x 52.4mm (2.28 x 2.06in)

Carburetion

four 22mm Teikei constant vacuum - main jets #94

Ignition

Transistorized

Starter System

Electric only

Engine Redline

10,500 rpm

Claimed HP

57bhp @ 9500 rpm

Claimed torque

35.4 ft-lbs @ 8000 rpm

Oil capacity

3.2 quarts

 

 

Drivetrain

Multiplate wet-clutch,
#530 O-ring chain

Transmission

6 speed, constant mesh

 

 

Chassis

 

Type

Double down tube, full cradle, 35mm
Box section aluminum swing arm

Suspension

 

    front

Center-axle
Air adjustable shocks, 35mm tubes
6.5 in of travel

    rear

Duel Shocks, 4 Damping adjustments
4 in of rear wheel travel

Brake

 Front dual 10.3 in discs Rear single 10.3 disk

    Front

Hydraulic, duel disk
Single piston calipers

    Rear

Hydraulic, single disk
Single piston caliper

Tire

 

    Front

3.25 H19 Dunlop

    Rear

3.75 H18 Dunlop

Wheels

F - 18 x MT 2.15 R- 18 X MT 2.50

Wheelbase

54.9

Handlebar width

27.5 in

Seat width

9.5 in

Seat height

31.6 inches

Ground clearance

5.8 inches

Misc.

Has a center stand

 

 

Fuel Capacity

Main 3.8 gallons
Reserve 1 gallon

Cruising range

220 miles to reserve

Weight - 1/2 tank

460 lbs.

 

 

Performance

 

Standing 1/4 mile

12.65 @ 104.16 mph

1/2 mile top speed

115mph

RPM @ 60mph, top gear

4750

Average Fuel consumption

62.3 mpg

Cruising range

204 miles before reserve - reserve is 1/2 gal

Load Capacity

354 lbs - GVWR    814 lbs

Colours

Red

Changes this year