2025Kawasaki Ninja 1100SX

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The 2025 Kawasaki Ninja 1100SX is a middleweight sport bike engineered for riders seeking accessible performance without extreme aggression. Its 1099cc inline-four produces 134 horsepower and excels at delivering smooth acceleration across varied riding conditions. Known for sharp handling, modern tech, and approachable ergonomics, it bridges the gap between beginner-friendly and serious sportbike capability.

Capacity: 1099.0 ccm
Engine: In-line four, four-stroke
Gearbox: 6-speed
Dry weight: 214.1 kg
Seat height: 820 mm
Power: 134.0 HP (100.0 kW) @ 9000 RPM

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How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering88%

City riding60%

Daily riding65%

Touring68%

Two-up60%

Track75%

Best for: A sport-touring machine designed for fast road riding, weekend canyon carving, and occasional longer distance trips with a passenger.
Built for: Delivers a thrilling, high-revving inline-four soundtrack and punchy midrange torque wrapped in a stable, confidence-inspiring chassis with modern electronic aids.
Not ideal for: Not a good fit for off-road use, absolute beginners, or riders seeking a relaxed upright touring posture.

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 820mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2025 Kawasaki Ninja 1100SX, with a cramped knee angle of around 70 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

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Units

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Fuel per litre

Riding a year

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: 1099.0 ccm
Power: 134.0 HP (100.0 kW) @ 9000 RPM
CO2 Emissions: 156 CO2 g/km
EPA Certificate No.: SKAXC1.10AAA-020-R01
EPA Est. Fuel Consumption: 6.64 L/100km (35.4 US mpg)
EPA CO Emissions: 1.0 CO g/km
Torque: 112.8 Nm (11.5 kgf-m) @ 7600 RPM
Engine type: In-line four, four-stroke
Power/weight ratio: 0.6259 HP/kg (dry)
Bore x stroke: 77.0 x 59.0 mm
Compression: 11.8:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Ignition: TCBI with digital 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: Assist and slipper clutch

Dimensions & weight

Wheelbase: 1440 mm
Overall length: 2101 mm
Overall width: 805 mm
Overall height: 1191 mm
Seat height: 820 mm
Dry weight: 214.1 kg
Wet weight: 235.1 kg
Fuel capacity: 18.90 litres
Ground clearance: 135 mm

Chassis & suspension

Frame: Aluminum spar aluminium
Front suspension: 41mm inverted telescopic Showa fork with compression and rebound damping, adjustable spring preload
Rear suspension: Horizontal back-link, gas-charged rear shock with rebound damping, remotely adjustable spring preload
Front wheel travel: 119 mm
Rear wheel travel: 142 mm
Rake (fork angle): 24.0°
Trail: 99 mm

Brakes & wheels

Front brakes: Double disc. Radial-mount 4-piston monobloc calipers, Kawasaki Intelligent anti-lock Brake System (KIBS)
Front brakes diameter: 300 mm
Rear brakes: Single disc. ABS. Single-piston caliper. Kawasaki Intelligent anti-lock Brake System (KIBS)
Rear brakes diameter: 260 mm
ABS: Yes
Front tyre: 120/70-17
Rear tyre: 190/50-17

Other

Color options: Metallic Carbon Gray/Metallic Diablo Black
Comments: Windscreen. Economical Riding Indicator, Electronic Cruise Control, Traction Control, Power Modes, Cornering Management Function, Quick Shifter (Up-Down), IMU-Enhanced Chassis Orientation Awareness. Connectivity with voice command.
Fuel Tank Material: Metal

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