YZ125

YZ125

Description

TOP FEATURES

  • Modern Styling
    The front fender, front number plate, radiator shrouds, side number plates, air box, rear fender, fork guards, as well as the rear brake disc protector, rear brake caliper protector and wider foot pegs offer modern, aggressive styling —just like the 4-strokes.
  • Lightweight Frame
    A light aluminum frame houses a patented YPVS™-equipped ripper of an engine for an awesome power-to-weight ratio.
  • Race-Ready Features
    Complete with an aluminum handlebar, titanium foot pegs and gripper seat, the YZ125 is ready to race out of the crate.
  • Ideal Balance
    A pure motocross machine, the light and nimble YZ125 is the perfect choice for riders stepping up from the 85cc class.
  • Rider-Friendly Chassis
    Ultra light weight means nimble handling and less fatigue.
  • 270mm Front Brake
    The large 270mm front disc brake coupled with high-performance pad material offers outstanding machine control and performance, plus exceptional stopping power and controllability.

ENGINE

  • Two-Stroke Power
    Amazingly compact 124cc reed-valve-inducted two-stroke helps produce an awesome power-to-weight ratio.
  • Race-Developed Intake
    Reed-valve spacer improves acceleration across the entire powerband.
  • Yamaha Power Valve System
    Patented YPVS™ combines crisp, hard-hitting bottom-end acceleration with strong midrange and eye-opening top-end.
  • Close-Ratio Transmission
    Six-speed, close-ratio transmission optimizes gear ratios for maximum performance.
  • Digital Ignition
    Digital CDI system delivers precise spark and monitors engine speed to ensure optimal timing for faster, stronger response during hard acceleration.
  • High-Capacity Radiator
    Large-capacity radiator features a 10-row core with four louvers to deliver maximum cooling efficiency at all performance levels.

CHASSIS/SUSPENSION

  • 270mm Front Brake
    Large 270mm front disc brake coupled with high-performance pad material offers outstanding machine control and performance, plus exceptional stopping power and controllability.
  • Aluminum Frame
    A carefully engineered, advanced aluminum frame and swingarm give the YZ125 the best handling in its class.
  • Lightweight Subframe
    Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
  • Industry-Leading Fork
    The Speed-Sensitive System 48mm KYB® fork and the damping force are controlled by the piston speed for a smoother, more precise ride with 11.8 inches of travel.
  • Advanced KYB® Shock
    Rear, fully adjustable KYB® shock features reduced-friction Kashima Coat™ 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 for fantastic rear wheel control and a sweet ride.
  • Race-Ready Tires
    Premium Dunlop® knobbies offer race-spec traction and wear.

ADDITIONAL FEATURES

  • Race-Ready Features
    Complete with an aluminum handlebar, 2-position adjustable handlebar clamp, wide foot pegs, gripper seat and adjustable clutch lever with works-style cable adjuster, the YZ125 is ready to race out of the crate.

Specifications

Engine Type 125cc liquid-cooled 2-stroke; reed-valve inducted
Bore x Stroke 54.0mm x 54.5mm
Compression ratio 8.6~10.7:1
Fuel Delivery Mikuni® TMX 38
Transmission Constant-mesh 6-speed; multiplate wet clutch
Final Drive Chain
Ignition CDI
Suspension / Front KYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
Suspension / Rear KYB® single shock; fully adjustable, 12.4-in travel
Brakes / Front Hydraulic disc, 270mm
Brakes / Rear Hydraulic disc, 245mm
Tires / Front 80/100-21 Dunlop® MX52
Tires / Rear 100/90-19 Dunlop® MX52
L x W x H 84.1 in x 32.6 in x 51.0 in
Seat Height 38.4 in
Wheelbase 56.8 in
Rake (Caster Angle) 26.0°
Trail 4.3 in
Maximum Ground Clearance 14.4 in
Fuel Capacity 2.1 gal
Wet Weight 207 lb
Monster Energy Yamaha Racing Edition
Team Yamaha Blue