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Naked Motorcycles

2025Kawasaki Z900

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The 2025 Kawasaki Z900 is a supernaked-style roadster for riders who want strong inline-four performance. Its liquid-cooled 948cc inline four makes 123 hp and 99 Nm through a six-speed gearbox. With an 810 mm seat, 212 kg wet weight and a 17-litre tank, it is quick, comfortable and suited to everyday riding.

Capacity
948.0 ccm
Engine
In-line four, four-stroke
Gearbox
6-speed
Dry weight
192.1 kg
Seat height
810 mm
Power
123.0 HP (90.9 kW) @ 9500 RPM
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2025 Kawasaki Z900

vs the 2024
Spec20242025
Dry weight — 192.1 kg (423.5 pounds)
Seat height 795 mm (31.3 inches) 810 mm (31.9 inches)
Other years 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 48Agility 65Comfort 45Off-road 10Touring 30Road manners 53
Off-road & trail10%
Cornering65%
City riding55%
Daily riding55%
Touring30%
Two-up35%
Track45%
Best for
Built for everyday road riding - commuting, errands and weekend rides - with an upright, unfaired riding position.
Built for
A naked bike from Kawasaki with a 948cc engine; its character is strong and confident, with 123 hp on tap.
Not ideal for
Not ideal for long motorway journeys at speed or for off-road riding.

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

Will it fit you?

Worked out in your browser - nothing is sent to us
At 810mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2025 Kawasaki Z900, with a relaxed knee angle of around 125 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 →

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Range and running costs

Worked out in your browser - nothing is sent to us

Based on the published US (EPA-style) fuel economy estimate and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.

Full specifications

Engine
Capacity
948.0 ccm
Power
123.0 HP (90.9 kW) @ 9500 RPM
CO2 Emissions
145 CO2 g/km
EPA Certificate No.
SKAXC.948AAC-021-R01
EPA Est. Fuel Consumption
6.18 L/100km (38.1 US mpg)
EPA CO Emissions
0.0 CO g/km
Torque
99.1 Nm (10.1 kgf-m) @ 7700 RPM
Engine type
In-line four, four-stroke
Power/weight ratio
0.6403 HP/kg (dry)
Bore x stroke
73.4 x 56.0 mm
Compression
11.8:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
TCBI with electronic advance
Aspiration
Naturally aspirated
Valves per cylinder
4
Lubrication system
Forced lubrication, wet sump
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet multi-disc, manual
Performance
0-60 mph
3.10 seconds
0-100 km/h (0-62 mph)
3.30 seconds
Dimensions & weight
Wheelbase
1450 mm
Overall length
2065 mm
Overall width
831 mm
Overall height
1100 mm
Seat height
810 mm
Dry weight
192.1 kg
Wet weight
212.1 kg
Fuel capacity
17.00 litres
Ground clearance
130 mm
Chassis & suspension
Frame
Trellis, high tensile steel
Front suspension
41mm inverted fork with rebound damping and spring preload adjustability
Rear suspension
Horizontal back-link, stepless rebound damping, adjustable spring preload
Front wheel travel
119 mm
Rear wheel travel
140 mm
Rake (fork angle)
24.7°
Trail
109 mm
Brakes & wheels
Front brakes
Double disc. ABS. Four-piston calipers.
Front brakes diameter
300 mm
Rear brakes
Single disc. ABS. Single-piston caliper.
Rear brakes diameter
250 mm
ABS
Optional
Front tyre
120/70-17
Rear tyre
180/55-17
Other
Color options
Metallic Flat Spark Black,Black/Metallic Spark Black, Metallic Moondust Gray/Ebony
Warranty
12
Fuel Tank Material
Metal

Specs last verified against published sources: .

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 20172020202220252027
Capacity 948 cc 948 cc 948 cc 948 cc 948 cc
Dry weight — 212 kg 212 kg 192 kg 193 kg
Seat height 795 mm 820 mm 820 mm 810 mm 830 mm
Fuel capacity 17 L 17 L 17 L 17 L 17 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the Kawasaki Z900?

The 2025 Kawasaki Z900 has a Capacity of 948.0 ccm (57.85 cubic inches).

What engine power does the Kawasaki Z900 have?

The 2025 Kawasaki Z900 has a Power of 123.0 HP (90.9 kW) @ 9500 RPM.

How many gears does the Kawasaki Z900 have?

The 2025 Kawasaki Z900 has a Gearbox of 6-speed.

What is the torque of the Kawasaki Z900?

The 2025 Kawasaki Z900 has a Torque of 99.1 Nm (10.1 kgf-m or 73.1 ft.lbs) @ 7700 RPM.

How much does the Kawasaki Z900 weigh?

The 2025 Kawasaki Z900 has a Dry weight of 192.1 kg (423.5 pounds).

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