What category is the 1981 Kawasaki Z 1000 J?

The 1981 Kawasaki Z 1000 J has a Category of Naked bike.

What is the engine size of the 1981 Kawasaki Z 1000 J?

The 1981 Kawasaki Z 1000 J has a Capacity: of 998.00 ccm (60.90 cubic inches).

What type of engine does the 1981 Kawasaki Z 1000 J have?

The 1981 Kawasaki Z 1000 J has a Engine type of In-line four.

What is the engine power of the 1981 Kawasaki Z 1000 J?

The 1981 Kawasaki Z 1000 J has a Power of 98.00.

Is the 1981 Kawasaki Z 1000 J air cooled or liquid cooled?

The 1981 Kawasaki Z 1000 J has a Cooling system of Air.

How many gears does the 1981 Kawasaki Z 1000 J have?

The 1981 Kawasaki Z 1000 J has a Gearbox of 5-speed.

How much does the 1981 Kawasaki Z 1000 J weigh?

The 1981 Kawasaki Z 1000 J has a Weight incl. oil, gas, etc of 253.0 kg (557.8 pounds).

What is the top speed of the 1981 Kawasaki Z 1000 J?

The 1981 Kawasaki Z 1000 J has a Top speed of 211.0 km/h (131.1 mph).

Kawasaki Z 1000 J - 1981 Specifications and Reviews

Name: 1981 Kawasaki Z 1000 J
Brand: Kawasaki

The 1981 Kawasaki Z 1000 J is a heavyweight naked bike designed for riders seeking raw power and classic styling. Its air-cooled 998cc inline-four engine delivers 98 horsepower, making it one of the era's most potent superbikes. Best known for aggressive performance and straightforward engineering, it appeals to enthusiasts valuing reliability and straightforward thrills.

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1983

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General information
Category	Naked bike
Year	1981
Model	Kawasaki Z 1000 J

Engine and Transmission Specifications
Transmission typefinal drive	Chain
Gearbox	5-speed
Cooling system	Air
Fuel control	DOHC
Valves per cylinder	2
Bore x stroke	69.4 x 66.0 mm (2.7 x 2.6 inches)
Compression	9.2:1
Power	98.00
Stroke	4
Engine type	In-line four
Capacity:	998.00 ccm (60.90 cubic inches)

Physical measures and capacities
Weight incl. oil, gas, etc	253.0 kg (557.8 pounds)
Kawasaki Z 1000 J dimensions and frame
Rear brakes	Single disc
Front brakes	Dual disc
Rear tyre dimensions	4.25-18
Front tyre dimensions	3.25-19
Speed and acceleration
Top speed	211.0 km/h (131.1 mph)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity	21.00 litres (5.55 gallons)

Performance Profile & Rider Fit

98 hp

Peak Power

3.8s

0-60 mph

131.1 mph

Top Speed

Best For

Track45%

City55%

Cornering55%

Daily Riding60%

Touring62%

Passenger60%

Rider Profile

Best For	Best suited to riders with some experience on powerful, heavier classic bikes since the air-cooled inline-four delivers strong midrange punch without modern electronic safety nets.
Purpose	A muscular early-80s UJM sport-tourer built for fast open-road cruising and confident overtaking rather than tight technical work.
Rider Fit	A substantial 253 kg machine with a tall, wide stance that rewards riders of average-to-above-average height and strength, especially at low speed and when maneuvering.
Character	Raw, torquey, and mechanical in feel, with a classic four-cylinder growl and analog handling that feels direct but demands respect.
Not Ideal For	Not a good fit for new riders, those seeking nimble city commuting, or anyone wanting off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.