What category is the 1981 Kawasaki Z 250 J?

The 1981 Kawasaki Z 250 J has a Category of Unspecified category.

What is the engine size of the 1981 Kawasaki Z 250 J?

The 1981 Kawasaki Z 250 J has a Capacity: of 249.00 ccm (15.19 cubic inches).

What type of engine does the 1981 Kawasaki Z 250 J have?

The 1981 Kawasaki Z 250 J has a Engine type of Twin, four-stroke.

What is the engine power of the 1981 Kawasaki Z 250 J?

The 1981 Kawasaki Z 250 J has a Power of 17.00.

What is the top speed of the 1981 Kawasaki Z 250 J?

The 1981 Kawasaki Z 250 J has a Top speed of 115.0 km/h (71.5 mph).

Is the 1981 Kawasaki Z 250 J air cooled or liquid cooled?

The 1981 Kawasaki Z 250 J has a Cooling system of Air.

How many gears does the 1981 Kawasaki Z 250 J have?

The 1981 Kawasaki Z 250 J has a Gearbox of 6-speed.

How much does the 1981 Kawasaki Z 250 J weigh?

The 1981 Kawasaki Z 250 J has a Weight incl. oil, gas, etc of 166.0 kg (366.0 pounds).

Kawasaki Z 250 J - 1981 Specifications and Reviews

Name: 1981 Kawasaki Z 250 J
Brand: Kawasaki

The 1981 Kawasaki Z 250 J is an accessible middleweight twin suited for novice and commuting riders. This air-cooled four-stroke delivers reliable 17 horsepower and modest 115 km/h performance, earning recognition as an economical, easy-to-handle learner bike that defined the budget-conscious sportbike category of its era.

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General information
Category	Unspecified category
Year	1981
Model	Kawasaki Z 250 J
Engine and Transmission Specifications
Transmission type,final drive	Chain
Gearbox	6-speed
Cooling system	Air
Fuel control	OHC
Valves per cylinder	2
Bore x stroke	55.0 x 52.4 mm (2.2 x 2.1 inches)
Compression	9.5:1
Top speed	115.0 km/h (71.5 mph)
Power	17.00
Engine type	Twin, four-stroke
Capacity:	249.00 ccm (15.19 cubic inches)

Brakes, suspension, Frame and wheels
Rear brakes	Single disc
Front brakes	Single disc
Rear tyre dimensions	3.50-18
Front tyre dimensions	3.00-18

Physical measures and capacities
Fuel capacity	13.50 litres (3.57 gallons)
Weight incl. oil, gas, etc	166.0 kg (366.0 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

17 hp

Peak Power

12.5s

0-60 mph

71.5 mph

Top Speed

Best For

Track15%

City65%

Cornering55%

Daily Riding60%

Touring35%

Passenger30%

Rider Profile

Best For	This is a friendly, forgiving machine well suited to beginners or riders returning to smaller-displacement bikes.
Purpose	Designed as a lightweight commuter and learner-friendly all-rounder rather than a performance or adventure machine.
Rider Fit	Its low weight and modest seat height make it easy to manage for riders of smaller stature or limited strength.
Character	A modest, air-cooled twin with unhurried power delivery and a classic, approachable early-80s Japanese standard-bike feel.
Not Ideal For	This is not the bike for riders seeking high-speed touring, aggressive cornering performance, or any serious off-road capability.

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