2025 KTM 125 SX

Stock #4AT140
MSRP: $8,199 USD

150 people have recently viewed it.
Check Availability
Hi, my name is and I'm interested in this 2025 KTM SX 125 . I'm in the area and you can reach me at or by phone at
  • Status:
    New
  • Vehicle:
    2025 KTM 125 SX
  • VIN:
    VBKSXG235SM157487
  • Model Number:
    F6101Y0
  • Fuel Type:
    Gasoline
  • Transmission:
    Manual
  • Color:
    Orange
  • Stock Number:
    4AT140
  • Title:
    Clear
  • Location:
    ATVs and More
  • Warranty:
    Manufacturer's w/ Extended Available

BRAKES

  • Brake Brand Name:
    Brembo®
  • Front Brake Diameter (in):
    10.2
  • Front Brake Diameter (mm):
    260
  • Front Brake Type:
    Hydraulic Disc
  • Rear Brake Diameter (in):
    8.7
  • Rear Brake Diameter (mm):
    220
  • Rear Brake Type:
    Hydraulic Disc

ENGINE

  • Bore (in):
    2.13
  • Bore (mm):
    54
  • Carburetion Brand:
    Keihin
  • Carburetion Type:
    Fuel Injected
  • Cooling:
    Liquid
  • Cylinders:
    1
  • Displacement (cc):
    124.8
  • Displacement (ci):
    7.6
  • Engine Stroke:
    2-Stroke
  • Engine Type:
    Single-Cylinder
  • Fuel Injector Size (mm):
    39
  • Fuel Injector:
    Yes
  • Fuel Requirements:
    Premium
  • Fuel Type:
    Gas / Oil Premix
  • Starter:
    Electric
  • Stroke (in):
    2.15
  • Stroke (mm):
    54.5
  • Valve Configuration:
    Reed Valve

EXTERIOR

  • Body Material:
    Plastic
  • Chain Guard:
    Yes
  • Exhaust Guard:
    Yes
  • Foot Peg Location:
    Driver
  • Fork Guards:
    Yes
  • Frame:
    Chromium Molybdenum
  • Radiator Cover:
    Yes
  • Stand Type:
    Kick
  • Top Crown Material:
    Aluminum

SEATS

  • Adjustable:
    Yes
  • Number Of Seats:
    1
  • Seat Height (in):
    37.7
  • Seat Height (mm):
    958
  • Seat Location:
    Driver
  • Seat Material:
    Vinyl
  • Seat Type:
    One-Piece

STEERING

  • Steering Control:
    Handlebar

SUSPENSION

  • Front Adjustable Fork Pre-Load:
    Yes
  • Front Adjustable Rebound Damping:
    Yes
  • Front Suspension Brand Name:
    WP XACT
  • Front Suspension Size (in):
    1.9
  • Front Suspension Size (mm):
    48
  • Front Suspension Type:
    Inverted Fork
  • Front Travel (in):
    12.2
  • Front Travel (mm):
    310
  • Number Rear Shock Absorbers:
    1
  • Rear Adjustable Rebound Damping:
    Yes
  • Rear Adjustable Shock / Spring Pre-Load:
    Yes
  • Rear Suspension Brand Name:
    WP XACT
  • Rear Suspension Material:
    Aluminum
  • Rear Suspension Type:
    Twin Sided Swing Arm
  • Rear Travel (in):
    11.8
  • Rear Travel (mm):
    300

TECHNICAL SPECIFICATIONS

  • Dry Weight (kg):
    92.4
  • Dry Weight (lbs):
    203.7
  • Engine Displacement to Weight (cc):
    0.61
  • Fuel Capacity (gal):
    1.9
  • Fuel Capacity (l):
    7.2
  • Ground Clearance (in):
    14.1
  • Ground Clearance (mm):
    359
  • Wheelbase (in):
    58.8
  • Wheelbase (mm):
    1493

TRANSMISSION

  • Number Of Speeds:
    6
  • Primary Drive (Rear Wheel):
    Chain
  • Transmission Type:
    Manual

WHEELS & TIRES

  • Front Tire (Full Spec):
    Dunlop® GEOMAX MX34 80/100 R21 51M
  • Front Tire Aspect Ratio:
    100
  • Front Tire Speed Rating:
    M
  • Front Tire Width:
    80
  • Front Wheel Diameter:
    21
  • Front Wheel Width (in):
    1.6
  • Rear Tire (Full Spec):
    Dunlop® GEOMAX MX34 100/90 R19 57M
  • Rear Tire Aspect Ratio:
    90
  • Rear Tire Speed Rating:
    M
  • Rear Tire Width:
    100
  • Rear Wheel Diameter:
    19
  • Rear Wheel Width (in):
    2.15
  • Tire Brand:
    Dunlop®
  • Tube / Tubeless:
    Tubed
  • Wheels Composition:
    Aluminum

Our Location

ATVs and More
1307 W Main St
Salem, IL 62881