Kawasaki Z650 Performance - 2025 Specifications and Reviews

The 2025 Kawasaki Z650 Performance is a nimble naked bike ideal for new and returning riders seeking an approachable yet capable machine. Its 649cc parallel-twin engine delivers smooth, predictable power with 67.3 horsepower, while the lightweight aluminum construction ensures excellent handling and maneuverability. Known for offering genuine sport-bike character at an accessible price point, it excels as both a daily commuter and weekend canyon carver.

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General information

Color OptionsMetallic Spark Black/Green Metallic Spark Black/Red Metallic Spark Black/Red Metallic Matte Dark Gray/Metallic Spark Black Metallic Matte Dark Gray/Metallic Spark Black
CategoryNaked bike
ModelKawasaki Z650 Performance

Engine and Transmission Specifications

StartingElectric
Emission102.1 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel Consumption4.40 litres/100 km (22.7 km/l or 53.46 mpg)
ClutchAssist and Slipper Clutch
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
IgnitionTCBI with electronic advance
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
InductionInjection. DFI® with Keihin 36mm Keihin throttle bodies
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
Engine DetailsDie-cast aluminium cylinder and lightweight coated pistons
Engine TypeTwin, four-stroke
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 Width765 mm (30.1 inches)
Overall Length2055 mm (80.9 inches)
Overall Height1065 mm (41.9 inches)
Seat Height790 mm (31.1 inches) If adjustable, lowest setting.
Power/Weight Ratio0.3891 HP/kg
Wet Weight188.0 kg (414.5 pounds)
Dry Weight173.0 kg (381.4 pounds)

Kawasaki Z650 Performance dimensions and frame

WheelsDunlop Sportmax Roadsport 2 tires
Rear BrakesSingle disc. Petal disc. Single-piston. Optional ABS.
Brake Disc Diameter220 mm (8.7 inches)
Front BrakesDouble disc. Petal-type rotors with two-piston calipers. Optional ABS.
Rear Tyre160/60-ZR17
Front Tyre120/70-ZR17
Rear Wheel Travel130 mm (5.1 inches)
Rear SuspensionHorizontal Back-link with preload adjustment
Front Wheel Travel125 mm (4.9 inches)
Front Suspension41 mm 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.
Warranty12 Month Limited Warranty
InstrumentsTFT Instrumentation
Rake (fork angle)24.0°
DrivelineSealed chain
Lubrication systemForced lubrication, semi and #8209;dry sump
Output67.3 HP (49.1 kW)) @ 8000 RPM
Year of manufacture2025

Performance Profile & Rider Fit

67.3 hp
Peak Power
3.8s
0-60 mph

Best For

Track45%
City82%
Cornering75%
Daily Riding85%
Touring40%
Passenger45%

Rider Profile

Best ForWell suited to newer riders and those upgrading from smaller displacement bikes thanks to its manageable power and light, confidence-inspiring chassis.
PurposeBuilt primarily as a fun, nimble street and commuter naked bike rather than a dedicated track or long-distance touring machine.
Rider FitThe low seat height, light dry weight, and upright naked-bike ergonomics make it accessible for shorter or less physically strong riders.
CharacterA punchy, characterful parallel-twin with a slipper clutch and modern electronics that rewards spirited riding without being intimidating.
Not Ideal ForNot the right choice for riders seeking serious long-distance touring comfort, two-up luxury, or any off-road capability.

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

Rider Fit Visualizer

2025 Kawasaki Z650 Performance 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 Z650 Performance, with a relaxed knee angle of around 120 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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