Naked Motorcycles
2023Kawasaki Z650
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The 2023 Kawasaki Z650 is an accessible naked bike designed for new riders and commuters seeking a manageable, reliable machine. Its 649cc parallel-twin engine delivers smooth, predictable power with 67.3 horsepower, making it ideal for learning fundamental riding skills without intimidating performance. Known for affordability, fuel efficiency, and user-friendly handling, the Z650 excels as an entry-level platform that doesn't compromise on quality engineering or modern fuel injection technology.
- Capacity
- 649.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 173.0 kg
- Seat height
- 790 mm
- Power
- 67.3 HP (50.2 kW) @ 8000 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as an everyday naked bike for commuting, learning, and spirited weekend rides rather than outright performance or long-distance touring.
- Built for
- A friendly, revvy parallel-twin street bike that rewards playful riding in town and on twisty backroads without being intimidating.
- Not ideal for
- Not the right choice for riders wanting serious highway touring comfort, passenger-friendly long trips, or any genuine off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usRange and running costs
Worked out in your browser - nothing is sent to usBased on the maker's published fuel consumption 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.
Engine
- Capacity
- 649.0 ccm
- Power
- 67.3 HP (50.2 kW) @ 8000 RPM
- CO2 Emissions
- 103 CO2 g/km
- Torque
- 65.7 Nm (6.7 kgf-m) @ 6500 RPM
- Engine type
- Parallel Twin, four-stroke
- Fuel consumption
- 4.40 litres/100 km (22.7 km/l)
- Power/weight ratio
- 0.3890 HP/kg (dry)
- Bore x stroke
- 83.0 x 60.0 mm
- Compression
- 10.8:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- TCBI with electronic advance
- Lubrication system
- Forced lubrication, semi dry sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Assist and Slipper Clutch
Dimensions & weight
- Wheelbase
- 1410 mm
- Overall length
- 2065 mm
- Overall width
- 765 mm
- Overall height
- 1064 mm
- Seat height
- 790 mm
- Dry weight
- 173.0 kg
- Wet weight
- 187.0 kg
- Fuel capacity
- 15.10 litres
- Ground clearance
- 130 mm
Chassis & suspension
- Frame
- Trellis, high-tensile steel
- Front suspension
- 41 mm telescopic fork
- Rear suspension
- Horizontal Back-link with preload adjustment
- Front wheel travel
- 124 mm
- Rear wheel travel
- 130 mm
- Rake (fork angle)
- 24.0°
- Trail
- 100 mm
Brakes & wheels
- Front brakes
- Double disc. Petal-type rotors with two-piston calipers. Optional ABS.
- Front brakes diameter
- 300 mm
- Rear brakes
- Single disc. Petal disc. Single-piston. Optional ABS.
- Rear brakes diameter
- 220 mm
- ABS
- Optional
- Front tyre
- 120/70-ZR17
- Rear tyre
- 160/60-ZR17
Other
- Color options
- Metallic Spark Black/Metallic Flat Spark Black, Metallic Matte Graphenesteel Gray/Ebony
- Warranty
- 12
- Comments
- Traction control. Smartphone Connectivity.
Specs last verified against published sources: .
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2017 | 2019 | 2022 | 2023 | 2024 | 2026 |
|---|---|---|---|---|---|---|
| Capacity | 649 cc | 649 cc | 649 cc | 649 cc | 649 cc | 649 cc |
| Dry weight | 173 kg | 173 kg | 173 kg | 173 kg | 173 kg | 170 kg |
| Seat height | 790 mm | 790 mm | 790 mm | 790 mm | 790 mm | 805 mm |
| Fuel capacity | 15 L | 15 L | 15.1 L | 15.1 L | 15.1 L | 15.1 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Kawasaki Z650?
The 2023 Kawasaki Z650 has a Capacity of 649.0 ccm (39.60 cubic inches).
What engine power does the Kawasaki Z650 have?
The 2023 Kawasaki Z650 has a Power of 67.3 HP (50.2 kW) @ 8000 RPM.
How many gears does the Kawasaki Z650 have?
The 2023 Kawasaki Z650 has a Gearbox of 6-speed.
What is the torque of the Kawasaki Z650?
The 2023 Kawasaki Z650 has a Torque of 65.7 Nm (6.7 kgf-m or 48.5 ft.lbs) @ 6500 RPM.
How much does the Kawasaki Z650 weigh?
The 2023 Kawasaki Z650 has a Dry weight of 173.0 kg (381.4 pounds).
Shop this bike
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The 2023 Kawasaki Z650 is a stylish and powerful mid-sized motorcycle that is perfect for both new and experienced riders. With a sleek, modern design and a 649cc engine, this bike offers a perfect balance of performance and agility. The Z650 is also equipped with advanced features such as a digital display, LED lighting, and ABS braking, making it a top choice in its class.
In addition to its impressive performance, the 2023 Kawasaki Z650 also offers a comfortable riding experience, thanks to its ergonomic design and smooth suspension. Whether you're commuting in the city or hitting the open road, this bike delivers a thrilling ride with responsive handling and plenty of power. With its attractive price point and high-quality construction, the Z650 is a fantastic option for anyone in the market for a versatile and reliable motorcycle.
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