Photo You can click the following link to check out a gallery of photos of the 2008 Yamaha YZ125.

Key Features:

  • A light, aluminum frame housing an amazingly light and compact engine results in an awesome power-to-weight ratio.
  • 610 grams off the front end makes this the quickest turning, best-handling YZ125 ever.
  • 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.

Engine:

  • 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.
  • Large-capacity radiator features a 10-row core with four louvers to deliver maximum cooling efficiency at all performance levels.
  • 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:

  • A carefully engineered, advanced aluminum frame and swingarm give the YZ125 the best handling in the class.
  • Speed-Sensitive System 48mm Kayaba fork tubes move the transfer control valves (TCV) above the fork springs, so that damping force is controlled by piston speed instead of position. Along with a bigger base valve hole, the result is a smooth ride and super-precise handling.
  • Removable aluminum rear subframe constructed of square-section tubing for reduced weight.
  • Rear, fully adjustable Kayaba 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.
  • Lightweight front and rear calipers with aluminum pistons and anti-bubble front master cylinder, 250mm floating front and 245mm rear discs, deliver strong stopping power with progressive feel.
  • 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.

MSRP*

$5,599 (Team Yamaha Blue/White)
Available from August 2007

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

Carburetion

TMX x 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

250mm single disc

Brakes/Rear

245mm single disc

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

Dry Weight

190 lb

Fuel Capacity

2.1 gal

Other

 

Warranty

30 Day (Limited Factory Warranty)

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