Discover a new definition of adventure on two wheels with the 2025 Yamaha YZ125! This lightweight and agile motorcycle is the perfect choice for adrenaline enthusiasts who want to feel power and precision in every turn. Powered by a dynamic 125cc engine, the YZ125 delivers performance that will satisfy the needs of both beginners and experienced riders. Its innovative design and advanced technologies make every ride not just a challenge, but also a pure joy of exploring new trails. Excellent traction and stability in the most demanding conditions are features that set this model apart from the competition. Get ready for unforgettable moments — check out the details of the Yamaha YZ125 specifications and embark on your motorcycle adventure!
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| Engine Capacity (cm³) | 125 |
|---|---|
| Type | Single-cylinder, two-stroke |
| Details | Reed-valve-inducted |
| Bore × Stroke (mm) | 54.0 x 54.5 |
| Compression | 10.1:1 |
| Valves/Cylinder | - |
| Max RPM | - |
| Power (HP) | - |
|---|---|
| Power (kW) | - |
| Torque (Nm) | - |
| Peak Torque (RPM) | - |
| 0-100 km/h (s) | - |
| 1/4 Mile (s) | - |
| Top Speed (km/h) | - |
| Gearbox | 6-speed |
|---|---|
| Final Drive | Chain (final drive) |
| Clutch | Multiplate wet clutch |
| Driveline | Constant-mesh |
| Fuel System | Carburettor. Hitachi Astemo® Keihin PWK38S carburetor |
|---|---|
| Fuel Control | - |
| Fuel Consumption (l/100 km) | - |
| Fuel Capacity (l) | 6,81 |
| Reserve Fuel (l) | - |
| Oil Capacity (l) | 0,7 |
| CO₂ Emissions (g/km) | - |
| Emission Details | - |
| Exhaust System | - |
| Frame Type | Aluminum semi-double cradle |
|---|---|
| Rake Angle (°) | - |
| Trail (mm) | 109 mm (4.3 inches) |
| Front Suspension | KYB® Speed-Sensitive System inverted fork fully adjustable |
| Front Wheel Travel (mm) | 300 mm (11.8 inches) |
| Rear Suspension | KYB® single shock fully adjustable |
| Rear Wheel Travel (mm) | 315 mm (12.4 inches) |
| Dry Weight (kg) | - |
|---|---|
| Total Weight (kg) | 94,8 |
| Power-to-Weight Ratio | - |
| Seat Height (mm) | 980 |
| Overall Height (mm) | 1295 |
| Overall Length (mm) | 2136 |
| Overall Width (mm) | 826 |
| Wheelbase (mm) | 1445 |
| Ground Clearance (mm) | 366 |
| Front Tyre | 80/100-21 |
|---|---|
| Rear Tyre | 100/90-19 |
| Front Brakes | Single disc. Hydraulic. |
| Front Brake Diameter (mm) | 270 |
| Rear Brakes | Single disc. Hydraulic. |
| Rear Brake Diameter (mm) | 240 |
| Wheels | Bridgestone® Battlecross X20 tires. |
| Starter | Kick |
|---|---|
| Instruments | - |
| Electrical | - |
| Light | - |
| Battery | - |
| Ignition | - |
| Lubrication System | - |
|---|---|
| Cooling System | Liquid |
| Engine Oil | - |
| Oil Filter | - |
| Brake Fluid | DOT 4 |
| Coolant | - |
| Spark Plugs | NGK BR9EVX, NGK BR9EIX |
| Warranty | 30 Day Limited Factory Warranty |
|---|