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2021 Yamaha YZ 125

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Details

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.

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.

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.

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.

Engine

  • Engine Type:
    Single-Cylinder
  • Cylinders:
    1
  • Engine Stroke:
    2-Stroke
  • Cooling:
    Liquid
  • Valve Configuration:
    Reed Valve
  • Bore (mm):
    54
  • Bore (in):
    2.13
  • Stroke (mm):
    54.5
  • Stroke (in):
    2.15
  • Displacement (cc):
    124
  • Displacement (ci):
    7.6
  • Compression Ratio:
    8.6:1
  • Starter:
    Kick
  • Fuel Requirements:
    Regular
  • Compression Ratio (Secondary):
    10.7:1
  • Fuel Type:
    Gas / Oil Premix

Brakes

  • Front Brake Type:
    Hydraulic Disc
  • Front Brake Diameter (in):
    10.6
  • Front Brake Diameter (mm):
    270
  • Rear Brake Type:
    Hydraulic Disc
  • Rear Brake Diameter (in):
    9.7
  • Rear Brake Diameter (mm):
    245

Carburetion

  • Carburetion Brand:
    Mikuni
  • Carburetor:
    Yes
  • Number Of Carburetors:
    1
  • Carburetor Size (mm):
    38
  • Carburetion Type:
    Carburetor

Dimensions

  • Length (in):
    84.1
  • Length (mm):
    2136.1
  • Width (in):
    32.6
  • Width (mm):
    828
  • Height (in):
    51
  • Height (mm):
    1295.4
  • Wheelbase (in):
    56.8
  • Wheelbase (mm):
    1442.7
  • Ground Clearance (in):
    14.4
  • Ground Clearance (mm):
    365.8
  • Length (ft):
    7.01
  • Length (ft/ft):
    7
  • Length (ft/in):
    0.1

Other

  • Fuel Capacity (gal):
    2.1
  • Fuel Capacity (l):
    8
  • Frame:
    Aluminum
  • Body Material:
    Plastic
  • Chain Guard:
    Yes
  • Chassis Protectors:
    Yes
  • Fork Guards:
    Yes
  • Foot Peg Location:
    Driver
  • Front Suspension Type:
    Inverted Fork
  • Front Suspension Size (in):
    1.9
  • Front Suspension Size (mm):
    48
  • Front Travel (in):
    11.8
  • Front Travel (mm):
    299.7
  • Front Adjustable Fork Pre-Load:
    Yes
  • Front Adjustable Rebound Damping:
    Yes
  • Front Suspension Brand Name:
    KYB
  • SysModelID:
    107466
  • MfrModelID:
    YZ125M2
  • Year:
    2021
  • Manufacturer:
    Yamaha
  • Model Name:
    YZ
  • Trim Name:
    125
  • Family Name:
    YZ
  • Product Type:
    Motorcycle / Scooter
  • Manufacturer Type:
    Motorcross
  • Generic Type (Primary):
    Off-Road
  • Manufacturer Country:
    Japan
  • Photo Name:
    2021_Yamaha_YZ_125.jpg
  • Major Revision Year:
    2015
  • Revision Status:
    Carryover
  • Competitor Code:
    MOT21OAE000
  • SysTrimId:
    329127
  • SysMakeId:
    1
  • Historical ID:
    289791
  • Data Provider:
    CRS
  • Parent Company:
    Yamaha
  • Display Name:
    YZ125
  • Engine Displacement to Weight (cc):
    0.6
  • Currency:
    US Dollars
  • Warranty (Months):
    1
  • Destination Charge:
    425
  • Warranty (Condition):
    Limited
  • Rear Suspension Type:
    Twin Sided Swing Arm
  • Rear Travel (in):
    12.4
  • Rear Travel (mm):
    315
  • Rear Adjustable Shock / Spring Pre-Load:
    Yes
  • Rear Adjustable Rebound Damping:
    Yes
  • Number Rear Shock Absorbers:
    1
  • Rear Suspension Brand Name:
    KYB
  • Rear Suspension Material:
    Aluminum
  • Seat Type:
    One-Piece
  • Seat Material:
    Vinyl
  • Seat Location:
    Driver
  • Seat Height (in):
    38.4
  • Seat Height (mm):
    998.2
  • Number Of Seats:
    1
  • Steering Control:
    Handlebar
  • Tire Brand:
    Dunlop®
  • Front Tire Width:
    80
  • Front Tire Aspect Ratio:
    100
  • Front Wheel Diameter:
    21
  • Rear Tire Width:
    100
  • Rear Tire Aspect Ratio:
    90
  • Rear Wheel Diameter:
    19
  • Front Tire (Full Spec):
    Dunlop® MX52 80/100 R21
  • Rear Tire (Full Spec):
    Dunlop® MX52 100/90 R19
  • Wheels Composition:
    Aluminum
  • Tube / Tubeless:
    Tubed
  • Chromed:
    Yes

Our Location

Friendly Powersports Slidell
38008 Brownsvillage Rd
Slidell, LA 70460