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| Specifications |  Yamaha YZ125Yamaha · 2025 |
|---|---|
| Engine | |
DisplacementGreater displacement does not necessarily mean better performance. | 125cc125cc |
Engine configuration | Liquid-cooled, 2-stroke, Single cylinder |
Bore × stroke | 54,0 x 54,5 mm |
Compression ratio | 8,2-10,1 : 1 |
Lubrication | Premix |
Ignition | CDI |
Starting | Kick |
Cooling system | Liquid-cooledLiquid-cooled, 2-stroke, Single cylinder |
| Dimensions and weight | |
Seat heightA lower seat. The right height depends on your stature. | 980mm |
Length | 2.13mm2.135 mm |
Width | 825mm |
Height | 1.29mm1.295 mm |
| Consumption and drivetrain | |
Fuel tank capacityA larger tank. Range also depends on fuel consumption. | 7L7,0 L |
| Chassis, brakes and suspension | |
Anti-lock braking (ABS)ABS status for this variant. “—” means data is unavailable. | UnknownHydraulic single disc, Ø270 mm · Hydraulic single disc, Ø240 mm |
Frame | Semi double cradle |
Trail | 109mm |
Front brake | Hydraulic single disc, Ø270 mm |
Rear brake | Hydraulic single disc, Ø240 mm |
Front tyre | 80/100-21 51M |
Rear tyre | 100/90-19 57M |
| Fuel and transmission | |
clutch | Wet, Multiple Disc |
Transmission | Constant Mesh, 6-speed |
Final drive | Chain |
| Other declared specifications | |
Carburettor | Carburettor |
Caster Angle | 26º |
Front suspension system | Telescopic fork |
Rear suspension system | link suspension, Swingarm |
Front travel | 300 mm |
Rear Travel | 315 mm |
Wheel base | 1.445 mm |
Minimum ground clearance | 365 mm |
Wet weight (including full oil and fuel tank) | 96 kg |
| Data source | Specification source |
| Yamaha YZ125 |
|---|
Engine |
DisplacementGreater displacement does not necessarily mean better performance. |
125cc125cc |
Engine configuration |
| Liquid-cooled, 2-stroke, Single cylinder |
Bore × stroke |
| 54,0 x 54,5 mm |
Compression ratio |
| 8,2-10,1 : 1 |
Lubrication |
| Premix |
Ignition |
| CDI |
Starting |
| Kick |
Cooling system |
Liquid-cooledLiquid-cooled, 2-stroke, Single cylinder |
Dimensions and weight |
Seat heightA lower seat. The right height depends on your stature. |
| 980mm |
Length |
2.13mm2.135 mm |
Width |
| 825mm |
Height |
1.29mm1.295 mm |
Consumption and drivetrain |
Fuel tank capacityA larger tank. Range also depends on fuel consumption. |
7L7,0 L |
Chassis, brakes and suspension |
Anti-lock braking (ABS)ABS status for this variant. “—” means data is unavailable. |
UnknownHydraulic single disc, Ø270 mm · Hydraulic single disc, Ø240 mm |
Frame |
| Semi double cradle |
Trail |
| 109mm |
Front brake |
| Hydraulic single disc, Ø270 mm |
Rear brake |
| Hydraulic single disc, Ø240 mm |
Front tyre |
| 80/100-21 51M |
Rear tyre |
| 100/90-19 57M |
Fuel and transmission |
clutch |
| Wet, Multiple Disc |
Transmission |
| Constant Mesh, 6-speed |
Final drive |
| Chain |
Other declared specifications |
Carburettor |
| Carburettor |
Caster Angle |
| 26º |
Front suspension system |
| Telescopic fork |
Rear suspension system |
| link suspension, Swingarm |
Front travel |
| 300 mm |
Rear Travel |
| 315 mm |
Wheel base |
| 1.445 mm |
Minimum ground clearance |
| 365 mm |
Wet weight (including full oil and fuel tank) |
| 96 kg |
Data source |
| Specification source |
Green marks an advantage in that specification. “—” means data is unavailable.