Sportbikes

2013Kawasaki Ninja ZX-6R 636

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The 2013 Kawasaki Ninja ZX-6R 636 is a middleweight supersport designed for experienced riders seeking track-focused performance and aggressive styling. Its 636cc V-twin engine delivers 129 horsepower with sharp handling characteristics, making it ideal for sport riding enthusiasts who prioritize cornering capability and responsive acceleration over cruising comfort.

Capacity: 636.0 ccm
Engine: In-line four, four-stroke
Gearbox: 6-speed
Wet weight: 192.0 kg
Seat height: 830 mm
Power: 129.3 HP (95.1 kW)

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How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering95%

City riding45%

Daily riding40%

Touring30%

Two-up30%

Track95%

Best for: Built primarily for spirited canyon carving and track-day performance, with the 636cc engine giving stronger midrange than a typical 600.
Built for: A precise, revvy in-line four supersport that rewards aggressive throttle inputs and confident cornering lines.
Not ideal for: Not a good fit for riders wanting an upright, relaxed commuter or long-distance tourer, or for any 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 830mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2013 Kawasaki Ninja ZX-6R 636, with a cramped knee angle of around 75 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.

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Full specifications

Engine

Capacity: 636.0 ccm
Power: 129.3 HP (95.1 kW)
Torque: 71.0 Nm (7.2 kgf-m)
Engine type: In-line four, four-stroke
Power/weight ratio: 0.6734 HP/kg (wet)
Bore x stroke: 67.0 x 41.5 mm
Compression: 12.9:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Ignition: Digital
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: 1395 mm
Overall length: 2085 mm
Overall width: 705 mm
Overall height: 1115 mm
Seat height: 830 mm
Wet weight: 192.0 kg
Fuel capacity: 17.00 litres
Ground clearance: 130 mm
Dry weight: Not on record - add it

Chassis & suspension

Frame: Perimeter, pressed-aluminium
Front suspension: 41 mm inverted fork with top-out springs Compression damping: Stepless. Rebound damping: Stepless. Spring preload: Fully adjustable (0-15 mm)
Rear suspension: Bottom-Link Uni-Trak with gas-charged shock and top-out spring Compression damping: Stepless Rebound damping: 25-way Spring preload: Fully adjustable (5.5-15.5 mm)

Brakes & wheels

Front brakes: Double disc. Petal discs . Dual radial-mount, monobloc, opposed 4-piston, Nissin
Front brakes diameter: 310 mm
Rear brakes: Single disc. petal disc Single-bore pin-slide, aluminium piston, Nissin
Rear brakes diameter: 220 mm
Front tyre: 120/70-ZR17
Rear tyre: 180/55-ZR17