Naked Motorcycles
2019Yamaha YS125
41 fields on record
The 2019 Yamaha YS125 is a simple, economical 125cc commuter bike for learner riders. Its air-cooled 125cc four-stroke single makes 10.5 hp at 7,500 rpm and 10.8 Nm through a five-speed gearbox and chain. A 795 mm seat, 129 kg wet weight and 14-litre tank give it a long range.
- Capacity
- 125.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 129.0 kg
- Seat height
- 795 mm
- Power
- 10.5 HP (7.6 kW) @ 7500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built primarily for commuting and city riding rather than performance or long-distance travel.
- Built for
- A friendly, economical, and easy-going small-capacity bike that prioritizes practicality over excitement.
- Not ideal for
- Not suited for highway touring, carrying a passenger comfortably, or riders seeking strong 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 usEngine
- Capacity
- 125.0 ccm
- Power
- 10.5 HP (7.6 kW) @ 7500 RPM
- Torque
- 10.8 Nm (1.1 kgf-m) @ 6000 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.0814 HP/kg (wet)
- Bore x stroke
- 52.4 x 57.9 mm
- Compression
- 10.0:1
- Cooling system
- Air
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- TCI
- Valves per cylinder
- 2
- Lubrication system
- Wet sump
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multiple-disc coil spring
Dimensions & weight
- Wheelbase
- 1320 mm
- Overall length
- 2005 mm
- Overall width
- 735 mm
- Overall height
- 1050 mm
- Seat height
- 795 mm
- Wet weight
- 129.0 kg
- Fuel capacity
- 14.00 litres
- Ground clearance
- 150 mm
- Oil capacity
- 1.20 litres
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Steel, diamond shaped
- Front suspension
- Telescopic forks
- Rear suspension
- Swingarm
- Front wheel travel
- 120 mm
- Rear wheel travel
- 105 mm
- Rake (fork angle)
- 26.0°
- Trail
- 90 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 245 mm
- Rear brakes
- Expanding brake (drum brake)
- Rear brakes diameter
- 130 mm
- Front tyre
- 2.75-18
- Rear tyre
- 100/80-18
Other
- Color options
- White, red, black
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 | 2018 | 2019 | 2020 | 2021 |
|---|---|---|---|---|
| Capacity | 125 cc | 125 cc | 125 cc | 125 cc |
| Seat height | 795 mm | 795 mm | 795 mm | 795 mm |
| Fuel capacity | 14 L | 14 L | 14 L | 14 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 Yamaha YS125?
The 2019 Yamaha YS125 has a Capacity of 125.0 ccm (7.63 cubic inches).
What engine power does the Yamaha YS125 have?
The 2019 Yamaha YS125 has a Power of 10.5 HP (7.6 kW) @ 7500 RPM.
How many gears does the Yamaha YS125 have?
The 2019 Yamaha YS125 has a Gearbox of 5-speed.
What is the torque of the Yamaha YS125?
The 2019 Yamaha YS125 has a Torque of 10.8 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 6000 RPM.
How much does the Yamaha YS125 weigh?
The 2019 Yamaha YS125 has a Wet weight of 129.0 kg (284.4 pounds).
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