
Yamaha
Nothing compares to the YZ125 experience. With its explosive 2-stroke engine power, super-light aluminium chassis and outstanding agility, the YZ125 accelerates, turns and brakes like nothing else. Its industry-leading speed sensitive forks give you precision steering for faster cornering – and the Monocross rear end soaks up the bumps to ride with ease.
The compact body enables you to rapidly shift your body weight and throw the YZ around at will – and its razor sharp styling and coordinated blue wheels show off its factory racer DNA. Discover the ultimate lightweight 2-stroke. And aim for the top.
Engine
Engine type- liquid-cooled, 2-stroke, Forward-inclined single cylinder, reed valve with YPVS
Displacement- 125cc
Bore x stroke- 54.0 mm x 54.5 mm
Compression ratio- 8.6 ~ 10.7 : 1
Lubrication system- Premix
Clutch type- Wet, multiple-disc coil spring
Fuel system- Mikuni TMX38
Ignition system- CDI
Starter system- Kick
Transmission system- Constant Mesh, 6-speed
Final transmission- Chain
Chassis
Frame- Semi double cradle
Front suspension system- Upside-down telescopic fork
Front travel- 300 mm
Caster angle- 26º
Trail- 109 mm
Rear suspension system- Swingarm, (link suspension)
Rear travel- 315 mm
Front brake- Hydraulic single disc, Ø 250 mm
Rear brake- Hydraulic single disc, Ø 245 mm
Front tyre- 80/100-21 51M
Rear tyre- 100/90-19 57M
Dimensions
Overall length- 2,137 mm
Overall width- 825 mm
Overall height- 1,295 mm
Seat height- 975 mm
Wheel base- 1,445 mm
Minimum ground clearance- 363 mm
Wet weight (including full oil and fuel tank)- 94 kg
Fuel tank capacity- 8.0 L
Oil tank capacity- 0.7 L
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