2009 YAMAHA YZ125 SPECS
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.
- 38mm Mikuni TMX carburetor gives excellent throttle response and serious horsepower.
- 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 froint 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.
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