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Sportbikes

2021Suzuki GSX-R125

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The 2021 Suzuki GSX-R125 is an entry-level sport bike designed for new and young riders seeking affordable performance and styling. Its lightweight 124cc single-cylinder engine delivers nimble handling and excellent fuel economy while maintaining the aggressive GSX-R aesthetics. Best known for accessible sportiness and reliability, it's ideal for learners progressing to sport bikes.

Capacity
124.0 ccm
Engine
Single, four-stroke
Gearbox
6-speed
Wet weight
134.0 kg
Seat height
785 mm
Power
15.0 HP (10.9 kW) @ 10000 RPM
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2021 Suzuki GSX-R125

vs the 2020
Spec20202021
Power 14.8 HP (10.8 kW) @ 10000 RPM 15.0 HP (10.9 kW) @ 10000 RPM
Other years 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 22Agility 85Comfort 45Off-road 5Touring 25Road manners 70
Off-road & trail5%
Cornering70%
City riding90%
Daily riding75%
Touring25%
Two-up20%
Track45%
Best for
Built for city commuting, learning sportbike ergonomics and cornering technique, and short energetic rides rather than outright speed.
Built for
A miniature superbike in styling and attitude, rewarding high-rev riding and playful handling over raw power.
Not ideal for
Not suited for highway touring, carrying a passenger comfortably, or riders seeking strong overtaking acceleration.

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 us
At 785mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2021 Suzuki GSX-R125, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Range and running costs

Worked out in your browser - nothing is sent to us

Based 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.

Full specifications

Engine
Capacity
124.0 ccm
Power
15.0 HP (10.9 kW) @ 10000 RPM
CO2 Emissions
45 CO2 g/km
Torque
11.5 Nm (1.2 kgf-m) @ 8000 RPM
Engine type
Single, four-stroke
Fuel consumption
1.90 litres/100 km (52.6 km/l)
Power/weight ratio
0.1119 HP/kg (wet)
Bore x stroke
62.0 x 41.2 mm
Compression
11.0:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
Electric
Lubrication system
Wet sump
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet, multi-disc
Dimensions & weight
Wheelbase
1300 mm
Overall length
2000 mm
Overall width
700 mm
Overall height
1070 mm
Seat height
785 mm
Wet weight
134.0 kg
Fuel capacity
11.00 litres
Ground clearance
160 mm
Dry weight
Not on record - add it
Chassis & suspension
Front suspension
Telescopic, coil spring, oil damped
Rear suspension
Link type, coil spring, oil damped
Brakes & wheels
Front brakes
Single disc. Petal
Front brakes diameter
290 mm
Rear brakes
Single disc. Petal
Front tyre
90/80-M17
Rear tyre
130/70-M17
Other
Color options
Metallic triton Blue
Warranty
24

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 201720192021202220242026
Capacity 124 cc 124 cc 124 cc 124 cc 124 cc 124 cc
Seat height 785 mm 785 mm 785 mm 785 mm 785 mm 785 mm
Fuel capacity 11 L 11 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

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MotorcycleDB

The 2021 Suzuki GSX-R125 is a powerful and agile motorcycle that is perfect for city commuting and weekend rides. The 124.4cc liquid-cooled engine provides plenty of power for quick acceleration, while the lightweight chassis and nimble handling make it easy to navigate through traffic. The sleek and sporty design of the GSX-R125 is sure to turn heads, and the comfortable riding position makes it a joy to ride for long distances. Overall, the 2021 Suzuki GSX-R125 is a fantastic choice for anyone looking for a reliable and fun-to-ride motorcycle.

With its impressive performance and stylish design, the 2021 Suzuki GSX-R125 is a standout in the 125cc motorcycle category. The advanced fuel injection system ensures smooth and efficient power delivery, while the ABS-equipped brakes provide confident stopping power. Whether you're a new rider or a seasoned veteran, the GSX-R125 offers an exhilarating riding experience that is hard to beat. Whether you're navigating the city streets or hitting the open road, the GSX-R125 is an ideal choice for riders who demand both performance and style from their motorcycle.

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Common questions

What is the engine size of the Suzuki GSX-R125?

The 2021 Suzuki GSX-R125 has a Capacity of 124.0 ccm (7.57 cubic inches).

What engine power does the Suzuki GSX-R125 have?

The 2021 Suzuki GSX-R125 has a Power of 15.0 HP (10.9 kW) @ 10000 RPM.

How many gears does the Suzuki GSX-R125 have?

The 2021 Suzuki GSX-R125 has a Gearbox of 6-speed.

What is the torque of the Suzuki GSX-R125?

The 2021 Suzuki GSX-R125 has a Torque of 11.5 Nm (1.2 kgf-m or 8.5 ft.lbs) @ 8000 RPM.

How much does the Suzuki GSX-R125 weigh?

The 2021 Suzuki GSX-R125 has a Wet weight of 134.0 kg (295.4 pounds).

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