Naked Motorcycles

2025Kawasaki Z900RS

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The 2025 Kawasaki Z900RS is a modern retro-styled middleweight that blends classic aesthetics with contemporary performance, delivering 110 horsepower and 98.5 Nm of torque from its liquid-cooled 948cc inline-four engine. Ideal for riders seeking accessible yet spirited handling with authentic vintage character, the Z900RS excels as a versatile daily rider and weekend warrior. Its balanced power delivery and approachable ergonomics make it a benchmark modern classic for both experienced enthusiasts and those discovering the retro segment.

Capacity: 948.0 ccm
Engine: In-line four, four-stroke
Gearbox: 6-speed
Wet weight: 215.0 kg
Seat height: 835 mm
Power: 110.0 HP (80.3 kW) @ 8500 RPM

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How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail15%

Cornering75%

City riding70%

Daily riding78%

Touring62%

Two-up60%

Track40%

Best for: Built for stylish street riding and weekend backroad cruising rather than outright performance or track work.
Built for: A retro-styled naked roadster that blends nostalgic Z1-inspired looks with modern chassis manners and smooth four-cylinder power delivery.
Not ideal for: Not ideal for off-road adventures or riders seeking a lightweight, hyper-aggressive supersport experience.

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 835mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2025 Kawasaki Z900RS, with a relaxed knee angle of around 130 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 821-900 mm — Long Legs →

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Range and running costs

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Units

Currency

Fuel per litre

Riding a year

Based on the maker's published fuel consumption 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: 110.0 HP (80.3 kW) @ 8500 RPM
CO2 Emissions: 114 CO2 g/km
EPA Certificate No.: SKAXC.948AAB-006-R01
EPA Est. Fuel Consumption: 4.86 L/100km (48.4 US mpg)
EPA CO Emissions: 0.1 CO g/km
Torque: 98.5 Nm (10.0 kgf-m) @ 6500 RPM
Engine type: In-line four, four-stroke
Fuel consumption: 5.30 litres/100 km (18.9 km/l)
Power/weight ratio: 0.5116 HP/kg (wet)
Bore x stroke: 73.4 x 56.0 mm
Compression: 10.8:1
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

Dimensions & weight

Wheelbase: 1470 mm
Overall length: 2110 mm
Overall width: 865 mm
Overall height: 1150 mm
Seat height: 835 mm
Wet weight: 215.0 kg
Fuel capacity: 17.00 litres
Ground clearance: 130 mm
Dry weight: Not on record - add it

Chassis & suspension

Frame: Trellis, high tensile steel
Front suspension: Inverted telescopic fork with (13-way) adjustable compression and rebound (11-way) damping, spring preload (15-turn
Rear suspension: Horizontal back-link swingarm with stepless adjustable rebound damping and spring preload
Front wheel travel: 120 mm
Rear wheel travel: 140 mm
Rake (fork angle): 25.0°
Trail: 98 mm