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Naked Motorcycles

1984Kawasaki Z 1100R

27 fields on record

The 1984 Kawasaki Z 1100R is a Japanese roadster with a 1089cc air-cooled inline four making 120 hp. It weighs 244 kg dry and has a 5-speed gearbox and a 20-litre tank.

Capacity: 1089.0 ccm
Engine: In-line four, four-stroke
Gearbox: 5-speed
Dry weight: 244.0 kg
Seat height: 785 mm
Power: 120.0 HP (89.4 kW) @ 8750 RPM

⇄ Compare with another bike ＋ Add to garage All model years

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail10%

Cornering65%

City riding55%

Daily riding55%

Touring30%

Two-up35%

Track45%

Best for: Naked bike built for its class - everyday, practical use.
Built for: A naked bike from Kawasaki, built around a 1089cc engine - a real production model, but this profile is formula-generated from its class and spec sheet rather than individually reviewed.
Not ideal for: Not for serious performance or off-road use.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 785mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 1984 Kawasaki Z 1100R, with a moderate knee angle of around 105 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

Find bikes that fit your height →

Reliability & safety

Bike Reliability score, safety recalls and owner complaints

Bike Reliability

How the score works →

out of 100Excellent

The 1984 Kawasaki Z 1100R passed its annual roadworthiness test first time 91.2% of the time, 7.6 points above expected for bikes of the same age and mileage. That beats 85% of models.

All years of this model: 75 / 100 (good) from 704 tests.

91.2%Passed first time

4.2%Failed outright

4.7%Fixed during test

31,000Typical miles

215Tests

Pass rate by miles ridden

0-10k

89.6%

10-20k

93.6%

20-30k

85.5%

30-40k

89.6%

40-50k

91.5%

50k+

88.5%

All years of this model.

Score by year first registered

19841985

Against its rivals · ranks 1 of 6

#	Model (all years)	Score	Tests
1	Kawasaki Z 1100R	75 Good	704
2	Honda CBX	65 Good	5,050
3	Laverda 1200 TS	58 Average	346
4	Kawasaki Z 1100 ST	47 Average	826
5	Suzuki GSX 1100 ES	37 Below average	464
6	Yamaha XS 1100	32 Below average	2,068

Rivals are the most-viewed bikes on MotorcycleDB in the same category and engine size, from within three years of this model.

From British annual roadworthiness tests, 2005-2025. Contains public sector information licensed under the Open Government Licence v3.0 (DVSA MOT test data, Great Britain). How Bike Reliability works.

Full specifications

Engine

Capacity: 1089.0 ccm
Power: 120.0 HP (89.4 kW) @ 8750 RPM
Torque: 100.0 Nm (10.2 kgf-m)
Engine type: In-line four, four-stroke
Power/weight ratio: 0.4918 HP/kg (dry)
Bore x stroke: 72.5 x 66.0 mm
Compression: 8.9:1
Cooling system: Air
Fuel system: Carburettor
Starting: Electric
Ignition: Electronic , CDI

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain

Dimensions & weight

Wheelbase: 1540 mm
Seat height: 785 mm
Dry weight: 244.0 kg
Wet weight: 261.0 kg
Fuel capacity: 20.00 litres

Chassis & suspension

Frame: Double cradle, round tube swinging arm
Front suspension: 37mm Kayaba hydraulically activated air drive abutments for air pressure, 150mm wheel travel.
Rear suspension: Single air assisted shock adjustable for reload damping, 109mm wheel travel.

Brakes & wheels