Built around Kawasaki's sport motorcycle platform, the 2013 Kawasaki Ninja ZX-6R 636 Performance relies on a 636 cc (38.8 cu in) liquid-cooled in-line four, four-stroke powerplant. In factory specification, peak output is rated at 129.3 HP (94.4 kW) while maximum torque reaches 71 Nm (52.4 lb-ft), transferring power to the rear wheel through chain final drive. With a specific output of 203.3 HP per liter, the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.
On the scales, the Ninja ZX-6R 636 Performance measures 191 kg (421 lbs) wet (curb), translating to a power-to-weight ratio of 0.68 HP/kg (1.48 kg per horsepower). Rider ergonomics and chassis geometry center around a 815 mm (32.1 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,400 mm (55.1 in) wheelbase engineered for quick, flickable steering geometry. The 17-liter (4.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Kawasaki archive, this model family spans 3 indexed model years from 2013 to 2017, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
203.3 HP/L
Power-to-Weight
0.68 HP/kg (1.48 kg/HP)
Standover Height
815 mm (32.1 in)
Engine
Displacement636.0 ccm (38.81 cubic inches)
Engine TypeIn-line four, four-stroke
Engine DetailsV2, four-stroke
Power129.3 HP (94.4 kW))
Torque71.0 Nm (7.2 kgf-m or 52.4 ft.lbs)
Compression12.9:1
Bore x Stroke67.0 x 45.1 mm (2.6 x 1.8 inches)
Valves/Cylinder4
Fuel SystemInjection
IgnitionDigital
LubricationForced lubrication, wet sump
CoolingLiquid
Transmission
Final DriveChain (final drive)
ClutchWet multi-disc, manual
DrivelineSealed chain
Performance
ExhaustAkrapovic
Chassis
Frame TypePerimeter, pressed-aluminium
Rake24.0°
Trail103 mm (4.1 inches)
Front Suspension41 mm inverted fork with top-out springs Compression damping: Stepless. Rebound damping: Stepless. Spring preload: Fully adjustable (0-15 mm)
Front Travel120 mm (4.7 inches)
Rear SuspensionBottom-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)
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
