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 read 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.
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| 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 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.
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| 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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| Engine |
| Type |
124cc, liquid-cooled, 2-stroke, reed-valve inducted |
|
| Bore x Stroke |
54.0 x 54.5mm |
|
| Compression Ratio |
8.6~10.7:1 |
|
| Fuel Delivery |
Mikuni® TMX 38 |
|
| Ignition |
CDI |
|
| Transmission |
Constant-mesh 6-speed; multiplate wet clutch |
|
| Final Drive |
Chain Drive |
|
|
| Chassis |
| 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 |
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| Tires/Front |
80/100-21-51M |
|
| Tires/Rear |
100/90-19-57M |
|
|
| Dimensions |
| Length |
84.1 in |
|
| Width |
32.6 in |
|
| Height |
51.8 in |
|
| Seat Height |
39.3 in |
|
| Wheelbase |
56.8 in |
|
| Ground Clearance |
15.2 in |
|
| Wet Weight |
208 lb |
|
| Fuel Capacity |
2.1 gal |
VN:F [1.9.2_1090]
Rating: 5.0/5 (1 vote cast)
VN:F [1.9.2_1090]
2009 Yamaha YZ125, 5.0 out of 5 based on 1 rating
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