Yamaha YZ125


To make it big in motocross you’ve got to put the hours in at the racetrack. So if you really are serious about getting to the top you’re going to need skill, fitness and determination – and the right race bike.

Which is where the YZ125 comes in. With its explosive engine power and ultra responsive aluminium chassis, this lightweight, 125cc 2-stroke is a proven winner at the highest level.

This legendary dirt bike features ultra responsive front and rear suspension systems for agile handling and fast cornering – and its sharp bodywork gives a unique racing bike character. 

For more information on the YZ125 bike visit: HERE

Engine type:Liquid-cooled, 2-stroke, Forward-inclined single cylinder, reed valve with YPVS
Bore x stroke:54.0 mm x 54.5 mm
Compression ratio:8.6 ~10.7 : 1
Lubrication system:Premix
Fuel system:Mikuni TMX38
Ignition system:CDI
Starter system:Kick
Transmission system:Constant Mesh, 6-speed
Final transmission:Chain


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:110/90-19 57M


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 litres
Oil capacity:0.7 litre