2013 Yamaha YZ125

The Yamaha YZ125 rewards its rider with a tasty mix of power and agility which help you deal effortless with a wide range of terrains.

In terms of comfort, the Yamaha YZ125 features an ergonomically designed seat, a well made handlebar and an nonintrusive fuel tank. You won’t have any complains about the wide folding titanium foot pegs which are lightweight and offer a proper grip.

The bike is boosts a compact 124cc reed-valve-inducted two-stroke engine that is capable of producing a high power-to-weight ratio. Moreover, the reed-valve spacer on the bike enhances acceleration across the entire powerband. The bike is also fitted with the YPVS power-valve along with the six-speed, close-ratio transmission and Digital CDI ignition system.

The stopping power is assuared by YZ250F-style front-brake caliper and wave-style front and rear discs.

All components are mounted on a superior aluminum frame which is paired with a modern swingarm and a speed-sensitive 48mm KYB fork.

Hit the jump for more information on the 2013 Yamaha YZ125.

Yamaha YZ125

Yamaha YZ125
  • A light aluminum frame housing an amazingly light and compact engine results in an awesome power-to-weight ratio.
  • The YZ125 is ready to race out of the crate, complete with an aluminum handlebar, titanium foot pegs, and gripper seat.
  • A pure motocross machine, the light and nimble YZ125 is the perfect choice for riders stepping up from the 85cc class.
  • Ultra lightweight means nimble handling with less fatigue.

Engine

Yamaha YZ125
  • Amazingly compact 124cc reed-valve-inducted two-stroke helps produce an awesome power-to-weight ratio.
  • Reed-valve spacer improves acceleration across the entire powerband.
  • 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.
  • 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

Yamaha YZ125
  • YZ250F-style front-brake caliper and wave-style 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 its class.
  • Speed-Sensitive System 48mm KYB® fork; damping force is controlled by piston speed which provides a smoother, more precise ride with 11.8 inches of travel.
  • Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
  • Rear, fully adjustable KYB® shock features 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

Yamaha YZ125
  • Special-design “gripper” type seat and fuel tank, forward-canted steering crown and low aluminum handlebar all help create greater freedom of movement and more comfortable ergonomics for riders.
  • Wide, cleated, folding titanium foot pegs 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.
  • Premium drive chain has gold-colored plates for outstanding looks.
  • Wide-diameter fuel tank cap for easier refueling.
  • Repackable exhaust silencer.
  • Durable, comfortable handlebar grips.

Specifications

Yamaha YZ125
Engine Type124cc, liquid-cooled, 2-stroke, reed-valve inducted
Bore x Stroke54.0 x 54.5mm
Compression Ratio8.6 10.7:1
Fuel DeliveryMikuni® TMX 38
IgnitionCDI
TransmissionConstant-mesh 6-speed; multiplate wet clutch
Final DriveChain Drive
Suspension / FrontSpeed-sensitive system inverted fork; fully adjustable, 11.8-in travel
Suspension / RearFully adjustable single shock; 12.4-in travel
Brakes / FrontHydraulic single disc brake, 250mm
Brakes / RearHydraulic single disc brake, 245mm
Tires / Front80/100-21
Tires / Rear100/90-19
Length84.1 in
Width32.6 in
Height51.8 in
Seat Height39.3 in
Wheelbase56.8 in
Ground Clearance15.2 in
Fuel Capacity2.1 gal
Wet Weight***207 lb
Warranty30 Day (Limited Factory Warranty)

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