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Born from the award winning YZ competition bikes, YZ 125 features a light aluminum frame with a powerful, compact engine with awesome power-to-weight ratio. YZ125 is ready to race out of the crate complete with ProTaper aluminum handlebar, titanium footpegs and gripper seat.
Key Features:
A light, aluminum frame housing an amazingly light and compact engine results in an awesome power-to-weight ratio.
Ready to race out of the crate, complete with a ProTaper aluminum handlebar, titanium footpegs and gripper seat.
A pure motocross machine, the light and nimble YZ125 is the perfect choice for riders stepping up from the 85cc class.
New for 2009:
Dunlop® D742FA front tire has an innovative knob pattern for excellent grip and handling.
New seat cover has great grip and more durability, and it’s easy to clean.
Premium drive chain has gold colored plates for outstanding looks.
Front brake hose clamp is now aluminum, greatly reducing its weight.
Engine:
Reed-valve spacer improves acceleration across the entire powerband.
Amazingly compact 124cc reed-valve-inducted two-stroke helps produce an awesome power-to-weight ratio.
Patented YPVS® power-valve system combines crisp, hard-hitting bottom-end acceleration with strong midrange and eye-opening top end.
Six-speed, close-ratio transmission optimizes gear ratios for maximum performance.
Digital CDI ignition system delivers precise spark and monitors engine speed to ensure optimal timing for faster, stronger response during hard acceleration.
Primary kickstarting ensures easy restarts in any gear.
Trick, works-style clutch lever features race-spec barrel adjuster for on-the-fly adjustability.
Chassis/Suspension:
YZ250F-style front-brake caliper and wave type front and rear discs minimize unsprung weight and provide excellent stopping power.
A carefully engineered, advanced aluminum frame and swingarm give the YZ125 the best handling in the class.
Speed-Sensitive System 48mm KYB® fork damping force is controlled by piston speed: provides a smoother, more precise ride.
Removable aluminum rear subframe constructed of square-section tubing for reduced weight.
Rear, fully adjustable KYB® shock features a super-light titanium shock spring and reduced-friction Kashima coating of internals. 12.4 inches of travel, separate adjusters for high- and low-speed compression damping, and a full lock oil rebound system for increased comfort all add up to fantastic rear wheel control and a sweet ride.
Tapered rear wheel spacers ease sliding the rear wheel into place for quicker tire changes.
Premium Dunlop® knobbies offer race-spec traction and wear.
Additional Features:
Special-design “gripper” type seat and fuel tank, forward-canted steering crown and low ProTaper handlebar all help create greater freedom of movement and more comfortable ergonomics for riders.
Wide, cleated, folding titanium footpegs are lightweight and provide excellent comfort, grip, and ground clearance.
Use of light, box-head bolts throughout the chassis eases maintenance while reducing weight for increased performance.
Wide-diameter fuel tank cap for easier refueling.
Repackable exhaust silencer.
Durable, comfortable handlebar grips.
Ignition:CDI Clutch:Multiplate wet clutch Bore and Stroke:54.0 x 54.5mm Valve Train:YPVS® power-valve system Final Drive:Chain Drive Frame:Aluminum frame Suspension Front:Speed-sensitive system inverted fork; fully adjustable, 11.8-in travel Suspension Rear:Fully adjustable single shock; 12.4-in travel Brakes Front:Hydraulic single disc brake, 250mm Brakes Rear:Hydraulic single disc brake, 245mm Tires Front:80/100-21-51M Tires Rear:100/90-19-57M Length:84.100 Width:32.600 Height:51.800
