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Kawasaki Specifications

Kawasaki Z1 (1973)

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Kawasaki Z1 (1973)

At a glance

Capacity
903 cc / 55.1 cu-in
Power
82 hp / 59.8 kW @ 8500 rpm
Torque
73.5 Nm / 54.3 lb-ft @ 7000 rpm
Seat height
812.8 mm / 32.0 in.

The full picture.

The Kawasaki Z1 is a motorcycle produced in 1973 that features a four-stroke, transverse four-cylinder, DOHC engine with a capacity of 903cc / 55.1 cu-in with a compression ratio of 8.5:1. It is air-cooled and has a 5-speed transmission with a chain final drive. The bike has a maximum power of 82hp / 59.8kW @ 8500 rpm and a maximum torque of 73.5 Nm / 54.3 lb-ft @ 7000 rpm. The front suspension features 36mm telescopic forks while the rear suspension is a dual shock with 5-way preload adjustment. The bike has a front braking system with a single 296mm disc and 2 piston caliper while the rear braking system is a 200mm drum. The frame is a double tubular steel cradle and the bike has a length of 2209.8mm / 87.0 in. and a wheelbase of 1498.6mm / 59.0 in. The dry weight is 230kg / 507lbs and the wet weight is 247.6kg / 546lbs. Its fuel capacity is 18 litres / 4.7 gallons and has an average consumption of 48 mpg. During testing, the braking distance for 30 mph – 0 was 29.00 ft. and the braking distance for 60 mph – 0 was 126.00 ft. Its acceleration from 0-30 mph is 2.7 seconds, 0-60 mph is 4.8 seconds, standing 1/4 mile is 12.61 seconds at 105.63 mph while its top speed is 135 mph.


Technical specifications:

Make Model: Kawasaki Z1

Motorcycle technical specifications
Year1973
EngineFour stroke, transverse four cylinder, DOHC, 2 valve per cylinder.
Capacity903 cc / 55.1 cu-in
Bore x Stroke66 x 66 mm
Cooling SystemAir cooled
Compression Ratio8.5:1
LubricationWet sump, trachoid pump
Air FiltrationTreated synthetic fiber
Induction4 x 28mm Mikuni VM28SC
IgnitionBattery and coil
StartingElectric & kick
Max Power82 hp / 59.8 kW @ 8500 rpm
Max Torque73.5 Nm / 54.3 lb-ft @ 7000 rpm
ClutchWet, multi-plate
Transmission5 Speed
Final DriveChain
Primary DriveStraight cut gears
Gear Ratio1st 12.79:1 2nd 8.84:1 3rd 6.74:1 4th 5.58:1 5th 4.92:1
FrameDouble tubular steel cradle
Front Suspension36mm Telescopic forks
Rear SuspensionDual shock, 5-way preload adjustment
Front BrakesSingle 296mm disc 2 piston caliper
Rear Brakes200mm drum
Front Tyre3.25 H19
Rear Tyre4.00 S18
Rake27 o
Trail3.75 in.
DimensionsLength 2209.8 mm / 87.0 in.
Wheelbase1498.6 mm / 59.0 in
Handlebar Width818 mm / 32.2 in.
Seat Height812.8 mm / 32.0 in.
Ground Clearance170 mm / 6.75 in.
Dry Weight230 kg / 507 lbs
Wet Weight247.6 kg / 546 lbs
Fuel Capacity18 Litres / 4.7 gal
Consumption Average48 mpg
Braking Distance 30 mph – 029.00 ft.
Braking Distance 60 mph – 0126.00 ft.
Acceleration 0-30 mph2.7 sec
Acceleration 0-60 mph4.8 sec
Standing 1/4 Mile12.61 sec / 105.63 mph
Top Speed135 mph