Sportbikes
2021Kawasaki Ninja 125
37 fields on record
The 2021 Kawasaki Ninja 125 is an entry-level sport motorcycle designed for new riders and commuters seeking an affordable, nimble machine. Powered by a 125cc single-cylinder four-stroke engine producing 15 horsepower, it combines lightweight handling with fuel efficiency and easy manageability. Known for its accessible performance and iconic Ninja styling, it serves as an ideal gateway into sport riding.
- Capacity
- 125.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Wet weight
- 148.0 kg
- Seat height
- 785 mm
- Power
- 15.0 HP (10.9 kW) @ 10000 RPM
What’s new for the 2021 Kawasaki Ninja 125
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Power | 14.8 HP (10.8 kW) @ 10000 RPM | 15.0 HP (10.9 kW) @ 10000 RPM |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It is designed primarily for commuting, urban riding, and learning sport riding fundamentals rather than outright performance.
- Built for
- It has a sporty, aggressive Ninja-styled character with modest real-world performance suited to relaxed, approachable riding.
- Not ideal for
- It is not suited to experienced riders seeking high speed, long-distance touring comfort, or 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 usEngine
- Capacity
- 125.0 ccm
- Power
- 15.0 HP (10.9 kW) @ 10000 RPM
- Torque
- 11.7 Nm (1.2 kgf-m) @ 7700 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1014 HP/kg (wet)
- Bore x stroke
- 58.0 x 47.2 mm
- Compression
- 11.7:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- Digital
- Valves per cylinder
- 4
- Lubrication system
- Forced lubrication, wet sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Clutch
- Multi plate wet
Dimensions & weight
- Wheelbase
- 1330 mm
- Overall length
- 1935 mm
- Overall width
- 685 mm
- Overall height
- 1075 mm
- Seat height
- 785 mm
- Wet weight
- 148.0 kg
- Fuel capacity
- 7.40 litres
- Ground clearance
- 170 mm
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Tubular diamond, steel
- Front suspension
- Inverted fork
- Rear suspension
- Offset laydown single-shock with adjustable preload
- Front wheel travel
- 110 mm
- Rear wheel travel
- 120 mm
- Trail
- 90 mm
Brakes & wheels
- Front brakes
- Double disc
- Front brakes diameter
- 200 mm
- Rear brakes
- Single disc
- Front tyre
- 100/80-17
- Rear tyre
- 130/70-17
Other
- Color options
- Lime Green/Ebony/Pearl Blizzard White
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 | 2020 | 2021 | 2022 | 2024 | 2025 | 2027 |
|---|---|---|---|---|---|---|
| Capacity | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc |
| Dry weight | — | — | — | — | — | 137 kg |
| Seat height | 785 mm | 785 mm | 785 mm | 785 mm | 785 mm | 785 mm |
| Fuel capacity | 7.4 L | 7.4 L | 11 L | 11 L | 11 L | 11 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 Ninja 125?
The 2021 Kawasaki Ninja 125 has a Capacity of 125.0 ccm (7.63 cubic inches).
What engine power does the Kawasaki Ninja 125 have?
The 2021 Kawasaki Ninja 125 has a Power of 15.0 HP (10.9 kW) @ 10000 RPM.
How many gears does the Kawasaki Ninja 125 have?
The 2021 Kawasaki Ninja 125 has a Gearbox of 6-speed.
What is the torque of the Kawasaki Ninja 125?
The 2021 Kawasaki Ninja 125 has a Torque of 11.7 Nm (1.2 kgf-m or 8.6 ft.lbs) @ 7700 RPM.
How much does the Kawasaki Ninja 125 weigh?
The 2021 Kawasaki Ninja 125 has a Wet weight of 148.0 kg (326.3 pounds).
Shop this bike
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Similar bikes
Same category, weighted similarity
2021 Malaguti Monte Pro 125
125 cc · 130 kg · 790 mm
2021 Daelim Roadsport 125
124 cc · 145 kg · 780 mm
2021 Malaguti Dune 125
125 cc · 130 kg · 790 mm
2021 Zontes ZT125-G1 Scrambler
125 cc · 160 kg · 795 mm
2022 Daelim Roadsport 125
124 cc · 145 kg · 780 mm
2021 Aprilia RS 125 GP Replica
124 cc · 129 kg · 820 mm
The 2021 Kawasaki Ninja 125 is a thrilling entry-level motorcycle that packs a punch. With its sleek design and powerful 125cc engine, this bike is perfect for riders looking for a blend of style and performance. The Ninja 125's lightweight frame and responsive handling make it a joy to ride, whether you're cruising through the city streets or hitting the open road. Its comfortable seating position and user-friendly controls make it an ideal choice for new riders, while its sporty looks and nimble performance will appeal to more experienced motorcyclists.
Overall, the 2021 Kawasaki Ninja 125 is a fantastic option for anyone in the market for a stylish and capable entry-level motorcycle. Whether you're a newbie rider looking to gain confidence on the road or a seasoned biker seeking an agile, fun-to-ride bike, the Ninja 125 delivers on all fronts. With its impressive power and nimble handling, this bike is a great choice for anyone looking for a thrilling two-wheeled experience.
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