What category is the 1984 Kawasaki GPZ 1100 (reduced Effect)?

The 1984 Kawasaki GPZ 1100 (reduced Effect) has a Category of Sport.

What is the engine size of the 1984 Kawasaki GPZ 1100 (reduced Effect)?

The 1984 Kawasaki GPZ 1100 (reduced Effect) has a Capacity: of 1089.00 ccm (66.45 cubic inches).

What type of engine does the 1984 Kawasaki GPZ 1100 (reduced Effect) have?

The 1984 Kawasaki GPZ 1100 (reduced Effect) has a Engine type of In-line four.

What is the engine power of the 1984 Kawasaki GPZ 1100 (reduced Effect)?

The 1984 Kawasaki GPZ 1100 (reduced Effect) has a Power of 100.00.

Is the 1984 Kawasaki GPZ 1100 (reduced Effect) air cooled or liquid cooled?

The 1984 Kawasaki GPZ 1100 (reduced Effect) has a Cooling system of Air.

How many gears does the 1984 Kawasaki GPZ 1100 (reduced Effect) have?

The 1984 Kawasaki GPZ 1100 (reduced Effect) has a Gearbox of 5-speed.

How much does the 1984 Kawasaki GPZ 1100 (reduced Effect) weigh?

The 1984 Kawasaki GPZ 1100 (reduced Effect) has a Weight incl. oil, gas, etc of 266.0 kg (586.4 pounds).

What is the top speed of the 1984 Kawasaki GPZ 1100 (reduced Effect)?

The 1984 Kawasaki GPZ 1100 (reduced Effect) has a Top speed of 240.0 km/h (149.1 mph).

Kawasaki GPZ 1100 (reduced Effect) - 1984 Specifications and Reviews

Name: 1984 Kawasaki GPZ 1100 (reduced Effect)
Brand: Kawasaki

The 1984 Kawasaki GPZ 1100 Reduced Effect is a middleweight sport bike suited for riders seeking accessible performance without extreme power. Its 1089cc inline-four engine delivers 100 horsepower in a manageable package, making it an excellent entry point to sportbike riding. Known for balanced handling and straightforward reliability, it remains a respected stepping stone in sports motorcycle history.

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1984

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General information
Category	Sport
Year	1984
Model	Kawasaki GPZ 1100 (reduced effect)

Engine and Transmission Specifications
Transmission typefinal drive	Chain
Gearbox	5-speed
Cooling system	Air
Fuel control	DOHC
Valves per cylinder	2
Bore x stroke	72.5 x 66.0 mm (2.9 x 2.6 inches)
Compression	9.5:1
Power	100.00
Stroke	4
Engine type	In-line four
Capacity:	1089.00 ccm (66.45 cubic inches)

Physical measures and capacities
Weight incl. oil, gas, etc	266.0 kg (586.4 pounds)
Kawasaki GPZ 1100 (reduced Effect) dimensions and frame
Rear brakes	Single disc
Front brakes	Dual disc
Rear tyre dimensions	130/90-17
Front tyre dimensions	110/90-18
Speed and acceleration
Top speed	240.0 km/h (149.1 mph)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity	20.00 litres (5.28 gallons)

Performance Profile & Rider Fit

100 hp

Peak Power

3.6s

0-60 mph

149.1 mph

Top Speed

Best For

Track45%

City45%

Cornering55%

Daily Riding60%

Touring68%

Passenger65%

Rider Profile

Best For	This is a bike best suited to riders with some prior experience, given its weight and torquey air-cooled power delivery, noting this is a de-tuned 'reduced effect' variant of the GPZ 1100 intended for restricted licence categories.
Purpose	It's a big, comfortable sport-tourer from the late 1980s designed for fast, relaxed cruising rather than sharp track work.
Rider Fit	At 266 kg the bike demands a confident, physically capable rider, especially at low speed and when maneuvering it off the stand.
Character	It suits a rider who values a smooth, muscular in-line four engine and classic UJM road manners over cutting-edge handling.
Not Ideal For	It is not the right choice for a rider seeking a light, flickable machine for tight city streets or off-road adventures.

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