Enduro Bikes
2027Yamaha YZ125X
15 fields on record
The 2027 Yamaha YZ125X is a cross-country-oriented 2-stroke, adapting the motocross YZ125's 125cc reed-valve engine with off-road gearing and suspension for trail and cross-country racing. At 96.2kg wet weight with 300mm front and 315mm rear suspension travel, it's built for tight, technical terrain. Yamaha does not publish power/torque figures for this closed-course-oriented model.
- Capacity
- 125.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- Not on record
Know it? Add it → - Wet weight
- 96.2 kg
- Seat height
- 970 mm
- Power
- Not on record
Know it? Add it →
What’s new for the 2027 Yamaha YZ125X
vs the 2026| Spec | 2026 | 2027 |
|---|---|---|
| Power | 15.0 HP (11.0 kW) | not listed |
| Gearbox | 6-speed | not listed |
| Front suspension | KYB® Speed-Sensitive System inverted fork; fully adjustable | not listed |
| Rear suspension | KYB® single shock; fully adjustable | not listed |
| Front brakes | Single disc. Hydraulic. | 270mm disc |
| Rear brakes | Single disc. Hydraulic. | 240mm disc |
| Compression | 10.2:1 | not listed |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Cross-country and trail competition riding
- Built for
- Lightweight 2-stroke cross-country racer
- Not ideal for
- Beginner riders or road use
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
- Engine type
- Single, two-stroke
- Cooling system
- Liquid
Dimensions & weight
- Wheelbase
- 1455 mm
- Seat height
- 970 mm
- Wet weight
- 96.2 kg
- Fuel capacity
- 6.80 litres
Chassis & suspension
- Front wheel travel
- 300 mm
- Rear wheel travel
- 315 mm
Brakes & wheels
- Front brakes
- 270mm disc
- Front brakes diameter
- 270 mm
- Rear brakes
- 240mm disc
- Rear brakes diameter
- 240 mm
Other
- Comments
- Reed-valve 2-stroke, cross-country-tuned adaptation of the motocross YZ125. Closed-course model - Yamaha does not publish official hp/torque.
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 | 2017 | 2020 | 2022 | 2025 | 2027 |
|---|---|---|---|---|---|
| Capacity | 124 cc | 125 cc | 125 cc | 125 cc | 125 cc |
| Seat height | 975 mm | 975 mm | 975 mm | 970 mm | 970 mm |
| Fuel capacity | 8 L | 8 L | 8 L | 6.8 L | 6.8 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 YZ125X?
The 2027 Yamaha YZ125X has a Capacity of 125.0 ccm (7.63 cubic inches).
How much does the Yamaha YZ125X weigh?
The 2027 Yamaha YZ125X has a Wet weight of 96.2 kg (212.1 pounds).
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