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| Specifications | ![]() Yamaha YZ125 Monster Energy EditionYamaha · 2027 |
|---|---|
| Engine | |
DisplacementGreater displacement does not necessarily mean better performance. | 125cc125cc liquid-cooled 2-stroke; reed-valve inducted |
Engine configuration | 125cc liquid-cooled 2-stroke; reed-valve inducted |
Bore × stroke | 54.0mm × 54.5mm |
Compression ratio | 8.2~10.1:1 |
Fuel system | Hitachi Astemo® Keihin PWK38S carburetor |
Cooling system | Liquid-cooled125cc liquid-cooled 2-stroke; reed-valve inducted |
| Dimensions and weight | |
Ready-to-ride weightLower weight with fuel and fluids, assessed separately from dry weight. | 96.16kg212 lb |
Seat heightA lower seat. The right height depends on your stature. | 980.44mm38.6 in |
Declared dimensions | 84.1 in x 32.5 in x 51.0 in |
Wheelbase | 1445.26mm56.9 in |
Ground clearance | 365.76mm14.4 in |
| Consumption and drivetrain | |
Fuel tank capacityA larger tank. Range also depends on fuel consumption. | 6.81L1.8 gal |
| Chassis, brakes and suspension | |
Anti-lock braking (ABS)ABS status for this variant. “—” means data is unavailable. | UnknownHydraulic disc, 270mm · Hydraulic disc, 240mm |
Front suspension | KYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel |
Rear suspension | KYB® single shock; fully adjustable, 12.4-in travel |
Front brake | Hydraulic disc, 270mm |
Rear brake | Hydraulic disc, 240mm |
Front tyre | 80/100-21 Bridgestone® Battlecross X20F |
Rear tyre | 100/90-19 Bridgestone® Battlecross X20 |
Steering angle | 26° |
Trail | 109.22mm4.3 in |
| Fuel and transmission | |
Transmission | Constant-mesh 6-speed; multiplate wet clutch |
Final drive | Chain |
| Data source | Specification source |
| Yamaha YZ125 Monster Energy Edition |
|---|
Engine |
DisplacementGreater displacement does not necessarily mean better performance. |
125cc125cc liquid-cooled 2-stroke; reed-valve inducted |
Engine configuration |
| 125cc liquid-cooled 2-stroke; reed-valve inducted |
Bore × stroke |
| 54.0mm × 54.5mm |
Compression ratio |
| 8.2~10.1:1 |
Fuel system |
| Hitachi Astemo® Keihin PWK38S carburetor |
Cooling system |
Liquid-cooled125cc liquid-cooled 2-stroke; reed-valve inducted |
Dimensions and weight |
Ready-to-ride weightLower weight with fuel and fluids, assessed separately from dry weight. |
96.16kg212 lb |
Seat heightA lower seat. The right height depends on your stature. |
980.44mm38.6 in |
Declared dimensions |
| 84.1 in x 32.5 in x 51.0 in |
Wheelbase |
1445.26mm56.9 in |
Ground clearance |
365.76mm14.4 in |
Consumption and drivetrain |
Fuel tank capacityA larger tank. Range also depends on fuel consumption. |
6.81L1.8 gal |
Chassis, brakes and suspension |
Anti-lock braking (ABS)ABS status for this variant. “—” means data is unavailable. |
UnknownHydraulic disc, 270mm · Hydraulic disc, 240mm |
Front suspension |
| KYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel |
Rear suspension |
| KYB® single shock; fully adjustable, 12.4-in travel |
Front brake |
| Hydraulic disc, 270mm |
Rear brake |
| Hydraulic disc, 240mm |
Front tyre |
| 80/100-21 Bridgestone® Battlecross X20F |
Rear tyre |
| 100/90-19 Bridgestone® Battlecross X20 |
Steering angle |
| 26° |
Trail |
109.22mm4.3 in |
Fuel and transmission |
Transmission |
| Constant-mesh 6-speed; multiplate wet clutch |
Final drive |
| Chain |
Data source |
| Specification source |
Green marks an advantage in that specification. “—” means data is unavailable.
