Naked Motorcycles
2023Kawasaki Z650RS
50 fields on record
The 2023 Kawasaki Z650RS is a retro-styled middleweight that appeals to new riders and nostalgia enthusiasts alike. Its 649cc parallel-twin engine delivers accessible 67.3 horsepower with modern fuel injection, offering a perfect balance of manageable power and authentic classic aesthetics. Known for its lightweight handling and approachable performance, it excels as a gateway bike for learners or a stylish commuter for experienced riders.
- Capacity
- 649.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 174.0 kg
- Seat height
- 800 mm
- Power
- 67.3 HP (49.1 kW) @ 8000 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed primarily as a stylish, retro-styled naked roadster for enjoyable street riding rather than outright speed or long-distance touring.
- Built for
- Blends classic Z-series styling with modern underpinnings, offering a fun, torquey parallel-twin engine and nimble handling that rewards playful riding around town and on twisty roads.
- Not ideal for
- Not the best choice for riders seeking high-speed touring comfort, large-scale luggage capacity, or any serious 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 (49.1 kW) @ 8000 RPM
- CO2 Emissions
- 95 CO2 g/km
- EPA Certificate No.
- PKAXC.649AAG-004
- EPA Est. Fuel Consumption
- 4.05 L/100km (58.1 US mpg)
- EPA CO Emissions
- 1.1 CO 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
- 0.3868 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
- Aspiration
- Naturally aspirated
- Valves per cylinder
- 4
- 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
- 1405 mm
- Overall length
- 2065 mm
- Overall width
- 765 mm
- Overall height
- 1115 mm
- Seat height
- 800 mm
- Dry weight
- 174.0 kg
- Wet weight
- 187.0 kg
- Fuel capacity
- 12.10 litres
- Ground clearance
- 124 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. ABS.
- Front brakes diameter
- 300 mm
- Rear brakes
- Single disc. Petal disc. Single-piston. ABS.
- ABS
- Yes
- Front tyre
- 120/70-ZR17
- Rear tyre
- 160/60-ZR17
Other
- Color options
- Metallic Moondust Gray/Ebony
- Warranty
- 12
- Comments
- Smartphone Connectivity.
- Fuel Tank Material
- Metal
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 | 2022 | 2023 | 2025 | 2026 | 2027 |
|---|---|---|---|---|---|
| Capacity | 649 cc | 649 cc | 649 cc | 649 cc | 649 cc |
| Dry weight | 174 kg | 174 kg | 174 kg | 174 kg | 179 kg |
| Seat height | 800 mm | 800 mm | 800 mm | 800 mm | 800 mm |
| Fuel capacity | 12 L | 12.1 L | 12.1 L | 12.1 L | 12 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 Z650RS?
The 2023 Kawasaki Z650RS has a Capacity of 649.0 ccm (39.60 cubic inches).
What engine power does the Kawasaki Z650RS have?
The 2023 Kawasaki Z650RS has a Power of 67.3 HP (49.1 kW) @ 8000 RPM.
How many gears does the Kawasaki Z650RS have?
The 2023 Kawasaki Z650RS has a Gearbox of 6-speed.
What is the torque of the Kawasaki Z650RS?
The 2023 Kawasaki Z650RS has a Torque of 65.7 Nm (6.7 kgf-m or 48.5 ft.lbs) @ 6500 RPM.
How much does the Kawasaki Z650RS weigh?
The 2023 Kawasaki Z650RS has a Dry weight of 174.0 kg (383.6 pounds).
Shop this bike
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The 2023 Kawasaki Z650RS is a stylish and powerful bike that offers a perfect blend of retro design and modern performance. With its 649cc parallel-twin engine, the Z650RS delivers strong and responsive power, making it a thrilling ride for both beginners and experienced riders. Its classic styling, including a round headlight and teardrop-shaped fuel tank, pays homage to Kawasaki's legendary Z1 model, while modern features such as LED lighting and digital instrumentation bring it into the 21st century. The Z650RS is also equipped with advanced technology such as smartphone connectivity and traction control, making it a versatile and capable bike for any rider.
Overall, the 2023 Kawasaki Z650RS is a fantastic choice for those who appreciate classic design and modern performance. Its combination of retro styling and advanced features make it a standout option in the mid-sized motorcycle market. Whether cruising around town or hitting the open road, the Z650RS offers a thrilling and enjoyable riding experience that is sure to impress any motorcycle enthusiast. With its strong engine, stylish design, and advanced technology, the Z650RS is a top contender in its class.
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