Motorcycle specifications YamahaYZ 125 2027 Crampons on sensations
presentation of the YZ 125 2027
For 2026, thanks to the ongoing commitment of Yamaha engineers, the YZ 125 has been further refined to assert its position in the 2-stroke category.
The latest YZ 125 benefits from an overhaul of its intake system, while carburetion and ignition have been optimized to deliver more consistent, linear power delivery, excellent throttle response and smoother corner exit.
Carburetion has been optimized to improve operation across the entire rev range: a new needle ensures optimum fuel delivery at every throttle opening to deliver constant power; the various jets have all been updated to obtain ideal flow and therefore better throttle response, from idle to high revs; in addition, the air screw and mixture level have been adapted for smoother corner exit. In addition, ignition timing has been updated to optimize combustion at all degrees of throttle opening. This enables the engine to respond more linearly across the entire operating range.
The air filter duct has been enlarged and reshaped, and the assembly has been updated for a smoother connection to the carburetor. These changes optimize the carburetor's inlet gas stream and deliver consistent performance levels.
All these improvements confirm the YZ 125's versatility, making it ideal for a wide range of riders, from beginners to experts. They also make it easier for the rider to adjust engine settings. As a result, the new YZ 125 is both easier to use and faster out of corners.
Yamaha also announces a 70th anniversary version, which adds its new white and red livery to the machine's long list of emblematic attributes
Info and pictures: Yamaha France
by Greg
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Key facts Yamaha YZ 125 (2027) : What you need to know before you buy
France
Specifications Yamaha YZ 125 2027
- Chassis
- Vehicle not capable of carrying passengers
- Frame : single semi-double aluminum cradle
- Fuel capacity : 7 liters (1.85 US gallons)
- Seat height : 980 mm (38.58 in)
- Length : 2,135 mm (84.06 in)
- Width : 825 mm (32.48 in)
- Min height : 1,295 mm (50.98 in)
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Min. ground clearance : 365 mm (14.37 in)
- Wheelbase : 1,445 mm (56.89 in)
- Weight when fully loaded : 96 kg (212 lb)
- Front axle
- Reverse telehydraulic fork Ø 48 mm, Wheel travel : 300 mm (11.81 in)
- Angle de chasse : 26 °
- Compression and rebound adjustment
- Braking 1 disc Ø 270 mm (10.63 in), 2-piston caliper
- Front tire (Inner tube) : 80 / 100 - 21 → Order this type of tire
- cross handlebars
- Transmission
- 6 stage gearbox , manual
- Secondary by chain
- Rear axle
- Mono-damper, Wheel travel : 315 mm (12.40 in)
- Preload, compression and rebound adjustment
- Braking 1 disc Ø 240 mm (9.45 in), single-piston caliper
- Rear tire (Inner tube) : 100 / 90 - 19 → Order this type of tire
- Motor
- single-cylinder , 2 strokes
- 1 Ø 38 mm carburettor
- Cooling system : liquid
- Valve intake
- 125 cc
- ≈ 42 ch (41.40 hp)
- Power-to-weight ratio : approximately 2.14 kg/ch
- Compression : 8.2-10.1 : 1
- Starting system : kick
- Practical information
- Country of manufacture : Japan
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Models
2027
2026
2025
2024
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2020
2019
2018
2017
2016
2015
2013
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Compare the YZ 125 to its competitors
Power
Power-to-Weight ratio
FAQ Your frequently asked questions about the YZ 125 2027
- What is the power of the YZ 125 2027?
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The YZ 125 2027 develops a power of 42 ch (41.40 hp)
- What is the weight of the YZ 125 2027?
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The YZ 125 2027 has a a weight when fully loaded of 96 kg (212 lb).
- QWhat is the seat height of the YZ 125 2027?
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To ensure good accessibility, the YZ 125 2027 offers a minimum seat height of 980 mm (38.58 in).
- What is the price of the YZ 125 2027?
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The price of the YZ 125 2027 is 8,400€ in France
- Is the YZ 125 2027 approved for transporting a passenger?
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No, this vehicle is only suitable for 1 people; it is a single-seater.
- What colors are available for the YZ 125 2027?
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For the 2027 model year, the YZ 125 is available in several colors: blue and black / blue.
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Bikers' reviews Leave a review - 5 reviews
i really don't think it's right for bikes that haven't changed in years. Many people have had to go for a Ktm, and I myself hesitated Rating : 5/5 Respond to lafleche
without modification I don't know, but in the condition I've got it, it's got an engine that runs superbly well, good throttle response, light, powerful but not aggressive Rating : 5/5 Respond to foxy