Sportbikes
2018Yamaha YZF-R125
43 fields on record
The 2018 Yamaha YZF-R125 is an entry-level sportbike designed for new and younger riders seeking an accessible, nimble platform. Its lightweight 142kg frame, compact 818mm seat height, and manageable 125cc engine deliver confident handling and easy control. Known for approachable performance and aggressive styling, it bridges the gap between learner bikes and sportier machines.
- Capacity
- 124.7 ccm
- Engine
- Single single, four-stroke
- Gearbox
- 6-speed
- Wet weight
- 142.0 kg
- Seat height
- 818 mm
- Power
- 15.0 HP (10.9 kW) @ 9000 RPM
What’s new for the 2018 Yamaha YZF-R125
vs the 2017| Spec | 2017 | 2018 |
|---|---|---|
| Engine capacity | 124.70 ccm (7.61 cubic inches) | 124.7 ccm (7.61 cubic inches) |
| Power | 15.00 HP (10.9 kW) @ 9000 RPM | 15.0 HP (10.9 kW) @ 9000 RPM |
| Torque | 12.24 Nm (1.2 kgf-m or 9.0 ft.lbs) @ 8000 RPM | 12.2 Nm (1.2 kgf-m or 9.0 ft.lbs) @ 8000 RPM |
| Weight | 140.0 kg (308.6 pounds) | 142.0 kg (313.1 pounds) |
| Fuel capacity | 11.50 litres (3.04 gallons) | 11.50 litres (3.04 US gallons) |
| Front brakes | Single disc. Optional ABS. Radial caliper with floating disc. | Single disc. Radial caliper with floating disc. |
| Rear brakes | Single disc. Optional ABS | Single disc |
| Wheelbase | 1,355 mm (53.3 inches) | 1355 mm (53.3 inches) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built primarily for track riding and high-performance sport road use, with race-derived electronics and chassis geometry prioritizing outright speed and cornering precision.
- Built for
- A razor-sharp, race-bred superbike that rewards commitment and skill with explosive acceleration, crossplane-crank character, and pinpoint cornering ability.
- Not ideal for
- Not suitable for beginners, commuters seeking comfort, or riders wanting a relaxed upright touring or passenger-friendly experience.
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
- 124.7 ccm
- Power
- 15.0 HP (10.9 kW) @ 9000 RPM
- CO2 Emissions
- 49 CO2 g/km
- Torque
- 12.2 Nm (1.2 kgf-m) @ 8000 RPM
- Engine type
- Single single, four-stroke
- Fuel consumption
- 2.10 litres/100 km (47.6 km/l)
- Power/weight ratio
- 0.1056 HP/kg
- Bore x stroke
- 52.0 x 58.6 mm
- Compression
- 11.2:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- TCI
- Valves per cylinder
- 4
- Lubrication system
- Wet sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multiple-disc coil spring
Dimensions & weight
- Wheelbase
- 1355 mm
- Overall length
- 2015 mm
- Overall width
- 660 mm
- Overall height
- 970 mm
- Seat height
- 818 mm
- Wet weight
- 142.0 kg
- Fuel capacity
- 11.50 litres
- Ground clearance
- 155 mm
- Oil capacity
- 1.20 litres
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Steel deltabox
- Front suspension
- Upside-down telescopic fork, Ø 41 mm
- Rear suspension
- Linked monoshock with spring preload adjustment
- Front wheel travel
- 130 mm
- Rear wheel travel
- 114 mm
- Rake (fork angle)
- 25.0°
- Trail
- 89 mm
Brakes & wheels
- Front brakes
- Single disc. Radial caliper with floating disc.
- Front brakes diameter
- 292 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 230 mm
- Front tyre
- 100/80-17
- Rear tyre
- 130/70-17
Other
- Color options
- Tech Black, Race Blu, Radical Red
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 | 2008 | 2014 | 2018 | 2022 | 2026 |
|---|---|---|---|---|---|
| Capacity | 124.66 ccm (7.61 cubic inches) | 124.70 ccm (7.61 cubic inches) | 124.70 ccm (7.61 cubic inches) | 124.7 ccm (7.61 cubic inches) | 124.7 ccm (7.61 cubic inches) |
| Dry weight | 126.5 kg (278.9 pounds) | — | — | — | — |
| Seat height | 818 mm (32.2 inches) | 818 mm (32.2 inches) | 818 mm (32.2 inches) | 825 mm (32.5 inches) | 856 mm (33.7 inches) |
| Fuel capacity | 13.80 litres (3.65 gallons) | 11.50 litres (3.04 gallons) | 11.50 litres (3.04 gallons) | 11.50 litres (3.04 US gallons) | 17.03 litres (4.50 US gallons) |
| Color options | Blue/white | Grey, blue, red | Tech Black, Race Blu, Radical Red | Icon Blue, Tech Black | Team Yamaha Blue, Matte Raven Black |
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 YZF-R125?
The 2018 Yamaha YZF-R125 has a Capacity of 124.7 ccm (7.61 cubic inches).
What engine power does the Yamaha YZF-R125 have?
The 2018 Yamaha YZF-R125 has a Power of 15.0 HP (10.9 kW) @ 9000 RPM.
How many gears does the Yamaha YZF-R125 have?
The 2018 Yamaha YZF-R125 has a Gearbox of 6-speed.
What is the torque of the Yamaha YZF-R125?
The 2018 Yamaha YZF-R125 has a Torque of 12.2 Nm (1.2 kgf-m or 9.0 ft.lbs) @ 8000 RPM.
How much does the Yamaha YZF-R125 weigh?
The 2018 Yamaha YZF-R125 has a Wet weight of 142.0 kg (313.1 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
The 2018 Yamaha YZF-R125 is a sleek and powerful motorcycle that offers an impressive combination of performance and style. With its 125cc engine, this bike is perfect for those who are looking for a lightweight and nimble ride. The YZF-R125 features a sporty design, with an aggressive front fairing and a comfortable riding position that allows for easy maneuvering through city streets or winding roads. Its advanced technology, including a digital instrument panel and LED lighting, adds to the overall appeal of this impressive machine. Whether you're a seasoned rider or a beginner, the 2018 Yamaha YZF-R125 is a fantastic option that will not disappoint.
Overall, the 2018 Yamaha YZF-R125 is an excellent choice for anyone in the market for a sporty and capable motorcycle. Its combination of power, agility, and modern features make it a standout option in its class. Whether you're commuting to work or hitting the open road for a weekend adventure, the YZF-R125 delivers a thrilling ride every time. If you're in the market for a reliable and stylish motorcycle, the 2018 Yamaha YZF-R125 is definitely worth considering.
Please log in or register if you'd like to leave a comment.