Suzuki GSX S125 - 2026 Specifications and Reviews

The Suzuki GSX-S125 is an entry-level naked bike designed for new riders and urban commuters seeking affordable, reliable transportation. Featuring a lightweight 124cc liquid-cooled engine with 15 horsepower and six-speed transmission, it delivers nimble handling and fuel efficiency. Known for its sporty styling, easy manageability, and low operating costs, this bike excels in city environments and represents excellent value for beginner motorcyclists.

2026
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General information

Color OptionsMetallic Triton Blue, Titan Black, Stronger Red/Titan Black, Pearl Brilliant White/Titan Black
CategoryNaked bike
 
 

Engine and Transmission Specifications

StartingElectric
Emission46.6 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel Consumption2.01 litres/100 km (49.8 km/l or 117.03 mpg)
ClutchWet, multi-disc
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
IgnitionElectric
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
InductionInjection
Bore x Stroke62.0 x 41.2 mm (2.4 x 1.6 inches)
Compression Ratio11.0:1
Max Torque11.0 Nm (1.1 kgf-m or 8.1 ft.lbs) @ 8500 RPM
Capacity:124.0 ccm (7.57 cubic inches)

Physical measures and capacities

Fuel Capacity11.00 litres (2.91 US gallons)
Wheelbase1300 mm (51.2 inches)
Ground Clearance165 mm (6.5 inches)
Overall Width745 mm (29.3 inches)
Overall Length2000 mm (78.7 inches)
Overall Height1035 mm (40.7 inches)
Seat Height785 mm (30.9 inches) If adjustable, lowest setting.
Wet Weight135.0 kg (297.6 pounds)
 
 

Suzuki GSX S125 dimensions and frame

Wheels10 spoke cast aluminium
Rear BrakesSingle disc. Petal disc. ABS.
Brake Disc Diameter187 mm (7.4 inches)
Front BrakesSingle disc. Petal disc. ABS
Rear Tyre130/70-17
Front Tyre90/80-17
Rear SuspensionLink type, coil spring, oil damped
Front SuspensionTelescopic, coil spring, oil damped

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specsReport missing specs or required updates.
LightingLED headlight
InstrumentsLCD instruments
Lubrication systemWet sump
Power15.0 HP (10.9 kW)) @ 10500 RPM
Engine typeSingle cylinder, four-stroke
Year2025
Motorcycle nameSuzuki GSX-S125

Performance Profile & Rider Fit

15 hp
Peak Power
14.5s
0-60 mph

Best For

Track15%
City90%
Cornering55%
Daily Riding80%
Touring20%
Passenger25%

Rider Profile

Best ForThis is an entry-level machine ideal for beginners, learners, or those riding on a small-capacity licence.
PurposeBuilt primarily for commuting and urban runabouts rather than performance or long-distance riding.
Rider FitIts low seat height and light 135 kg weight make it very accessible to smaller or less experienced riders.
CharacterA friendly, non-intimidating naked bike that favors nimble low-speed handling and fuel efficiency over outright speed.
Not Ideal ForNot suited to riders wanting highway touring, two-up comfort, or strong overtaking acceleration.

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

Rider Fit Visualizer

2026 Suzuki GSX S125 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 785mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2026 Suzuki GSX S125, with a moderate knee angle of around 115 degrees and a slightly forward 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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