Kawasaki Ninja 650 - 2025 Specifications and Reviews

The 2025 Kawasaki Ninja 650 is an accessible middleweight sport bike designed for new riders and experienced enthusiasts seeking nimble handling and reliable performance. Powered by a 649cc parallel-twin engine producing 52.3 horsepower, it delivers smooth acceleration and manageable power delivery. Known for its lightweight chassis, agile maneuverability, and forgiving nature, the Ninja 650 excels as an entry-level sportbike that grows with riders.

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General information

Color OptionsLime Green/Ebony/Pearl Blizzard White, Metallic Matte Carbon Gray/Flat Ebony, Metallic Spark Black/Metallic Flat Spark Black
CategorySport
ModelKawasaki Ninja 650
 
 

Engine and Transmission Specifications

StartingElectric
ClutchWet multi-disc, manual
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
IgnitionTCBI with digital advance
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
InductionInjection. DFI® with dual 36mm Keihin throttle bodies
Valves Per Cylinder4
Bore x Stroke83.0 x 60.0 mm (3.3 x 2.4 inches)
Compression Ratio10.8:1
Max Torque64.0 Nm (6.5 kgf-m or 47.2 ft.lbs) @ 6700 RPM
Max Power52.3 HP (38.2 kW)) @ 8000 RPM
Capacity:649.0 ccm (39.60 cubic inches)

Physical measures and capacities

Fuel Capacity15.00 litres (3.96 US gallons)
Wheelbase1410 mm (55.5 inches)
Ground Clearance130 mm (5.1 inches)
Overall Width740 mm (29.1 inches)
Overall Length2055 mm (80.9 inches)
Overall Height1145 mm (45.1 inches)
Seat Height790 mm (31.1 inches) If adjustable, lowest setting.
Power/Weight Ratio0.2938 HP/kg
Wet Weight193.0 kg (425.5 pounds)
Dry Weight178.0 kg (392.4 pounds)
 
 

Kawasaki Ninja 650 dimensions and frame

WheelsDunlop Sportmax Roadsport 2 tires
Rear BrakesSingle disc. Petal disc and single piston caliper. Optional ABS.
Brake Disc Diameter220 mm (8.7 inches)
Front BrakesDouble disc. Petal discs and two-piston calipers. Optional ABS.
Rear Tyre160/60-17
Front Tyre120/70-17
Rear Wheel Travel130 mm (5.1 inches)
Rear SuspensionHorizontal back-link with adjustable spring preload
Front Wheel Travel125 mm (4.9 inches)
Front Suspension41mm hydraulic telescopic fork
Trail100 mm (3.9 inches)
FrameTrellis, high-tensile steel

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specsReport missing specs or required updates.
CommentsKawasaki TRaction Control (KTRC), ABS
Warranty12 Month Limited Warranty
LightingTwin LED headlamp
InstrumentsAnalogue-style tachometer and multi-function dual-window LCD screen
Rake (fork angle)24.0°
DrivelineSealed chain
Lubrication systemForced lubrication, semi-dry sump
Engine typeTwin, four-stroke
Model year2025

Performance Profile & Rider Fit

4s
0-60 mph (est.)

Best For

Track55%
City82%
Cornering75%
Daily Riding80%
Touring55%
Passenger55%

Rider Profile

Best ForWell suited to newer riders progressing beyond a beginner bike as well as experienced riders wanting an easy, unintimidating middleweight.
PurposeA versatile parallel-twin sportbike designed primarily for daily commuting, spirited backroad riding, and occasional light touring.
Rider FitThe low seat height and moderate wet weight make it approachable for shorter riders and easy to manage at low speeds and stops.
CharacterFriendly, forgiving, and torque-accessible low in the rev range, with a sporty look but a relaxed, upright-leaning ergonomic bias for everyday usability.
Not Ideal ForNot the right choice for riders seeking track-focused outright top-end performance, serious off-road capability, or long-haul touring comfort with a passenger and luggage.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2025 Kawasaki Ninja 650 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 790mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2025 Kawasaki Ninja 650, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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