Manufactured to a best-in-class specification and featuring pure race-bred engine and chassis technology, the R125 is Yamaha’s ultimate lightweight Supersport. With new graphics as well as a next generation Icon Blue colour scheme that strengthens its R-Series family DNA, this lightweight 125cc Supersport has a serious big-bike attitude.
Key Specifications
Engine Type
4-stroke, Liquid-cooled, SOHC, 4-valves
Engine Capacity
125 cc / 7.62 cubic inches
Max Power
11.0kW (15.0PS) @ 10,000 rpm
Max Torque
11.5Nm (1.16kg-m) @ 8,000 rpm
Top Speed
n/a
Fuel Tank Capacity
11 L / 3 US gallons
Weight (Wet/Kerb)
141 kg / 310.8 lbs
Seat Height
820 mm / 32.28 inches
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
Yamaha R125
Year
2025 –
Engine
Engine Type
4-stroke, Liquid-cooled, SOHC, 4-valves
Displacement
125 cc / 7.62 cubic inches
Bore x Stroke
52 x 58.7 mm
Compression Ratio
11.2 : 1
Number of Cylinders
1
Max Horsepower
11.0kW (15.0PS) @ 10,000 rpm
Max Torque
11.5Nm (1.16kg-m) @ 8,000 rpm
Valve Train
SOHC
Valves per Cylinder
4
Engine Management System
Electronic Fuel Injection
Lubrication System
Wet sump
Cooling System
Liquid Cooled
Ignition System
TCI (digital)
Performance
Top Speed
n/a
*n/a – information not provided by manufacturer
Transmission
Clutch
Wet multiplate, slip and assist
Gearbox
Constant Mesh, 6-speed
Final Drive
Chain
Assist & Slipper Clutch
Yes
Electrical & Electronics System
Headlight Type
LED
Taillight Type
LED
Instrumentation
5 inch TFT instrument
Traction Control System
Yes
ABS
Yes
Chassis & Suspension
Frame Type
Deltabox frame
Front Suspension
KYB Telescopic forks, Ø41 mm
Front Suspension Travel
130 mm / 5.11 inches
Rear Suspension
Link type suspension
Rear Suspension Travel
110 mm / 4.33 inches
Rake
26º
Trail
95 mm / 3.74 inches
Swingarm
Aluminum swingarm
Wheels & Brakes
Wheels
10-spoke cast aluminum wheels
Front Tire Size
100/80-17 M/C
Rear Tire Size
140/70-17 M/C
Front Brakes
Hydraulic single disc, Ø292 mm
Rear Brakes
Hydraulic single disc, Ø220 mm
ABS
Yes.
Dimension & Weights
Overall Length
1990 mm / 78.34 inches
Overall Width
715 mm / 28.14 inches
Overall Height
1145 mm / 45 inches
Seat Height
820 mm / 32.28 inches
Wheelbase
1325 mm / 52.16 inches
Ground Clearance
160 mm / 6.3 inches
Fuel Tank Capacity
11 L / 3 US gallons
Wet (kerb/curb) Weight
141 kg / 310.8 lbs
Yamaha R125 (2025 – ) Color Options
Icon Blue (Europe)
Tech Black (Europe)
*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com
