KTM 125 SX parts (1981, 1987-2027)

795 parts listed for the KTM 125 SX, 565 of them in stock. Choose your year to see what fits it.

ASV INVENTIONS Clutch and Brake Lever Pair Pack (880043)

ASV INVENTIONS · 880043

$329.99 In stock

Hiflofiltro OE Replacement Air Filter (HFF5012)

HIFLOFILTRO · HFF5012

$35.95 In stock

Bridgestone Battlecross X10 Tire

Bridgestone · 037195

$215.98 In stock

JT 1901 Self-Cleaning Steel Front Sprockets (JTF1901.13SC)

JT SPROCKET · 24-F1901-13SC

$26.95 In stock

All Balls Fork Bushing Kit (38-6073)

ALL BALLS RACING · 38-6073

$96.95 In stock

All Balls Wheel Bearing & Seal Kit (206456)

ALL BALLS RACING · 206456

$47.99 In stock

Rock Hard Semi-Metallic Brake Pad (MC-05553)

ROCKHARD · 61-08069

$20.95 In stock

DRC/ZETA/UNIT Chain Guide — GAS GAS/HUSABERG/HUSQVARNA/KTM

DRC/ZETA/UNIT · 228898

$134.99 In stock

D.I.D Chain - 520DZ2 (004724)

D.I.D · 004724

$149.99 In stock

All Balls Countershaft Seal Kit (206927)

ALL BALLS RACING · 206927

$39.99 In stock

All Balls Swing Arm Bearing & Seal Kit (28-1087)

ALL BALLS RACING · 28-1087

$147.95 In stock

Bridgestone Motocross/Off-Road Tire Tube

Bridgestone · 012045

$36.99 In stock

Polisport Airbox Cover — KTM Polypropylene plastic

Polisport · 255472

$37.99 In stock

Polisport Radiator Scoop — KTM 256914

Polisport · 256914

$70.99 In stock

Namura Top End Gasket Set (NX-70026T)

NAMURA · 709001

$42.95 In stock

Enduro Engineering Fork Leg Guard (459270)

Enduro Engineering · 459270

$75.99 In stock

All Balls Rear Shock Bearing Kit (29-5066)

ALL BALLS RACING · 29-5066

$42.95 In stock

Polisport Graphic Guards Protector (255217)

Polisport · 255217

$39.99 In stock

Pro Taper Race Spec MX Rear Drive Sprockets (328604)

Pro Taper · 328604

$174.99 In stock

Polisport Fender — KTM

Polisport · 142456

$38.99 In stock

Polisport Number Plate (142946)

Polisport · 142946

$38.99 In stock

EBC "MXS" Moto-X Race Brake Pad (007566)

EBC · 007566

$85.99 In stock

Cycra Disc Cover for Mount Kit (245487)

Cycra · 245487

$51.99 In stock

DRC/ZETA/UNIT Aluminum Foot Peg — 228408

DRC/ZETA/UNIT · 228408

$169.99 In stock

Enduro Engineering Radiator Guard

Enduro Engineering · 459135

$319.99 In stock

NGK Iridium IX Spark Plug (900316)

NGK · 900316

$21.99 In stock

Pivot Works Waterproof Wheel Spacer Kit (PWFWC-T03-500)

PIVOT WORKS · 01-92001

$96.95 In stock

Vertex Inner Clutch Cover Gasket (816027)

VERTEX · 816027

$17.95 In stock

Pro Taper Clamp-on Handlebar Grips — Diamond

Pro Taper · 328825

$40.99 In stock

Polisport Side Panels (143724)

Polisport · 143724

$70.99 In stock

All Balls Fork & Dust Seal Kit (206602)

ALL BALLS RACING · 206602

$28.99 In stock

All Balls Master Cylinder Rebuild Kit (18-1026)

ALL BALLS RACING · 18-1026

$39.95 In stock

All Balls Brake Rotor (337952)

ALL BALLS RACING · 337952

$123.99 In stock

Psychic Clutch Kit (MX-03234H)

PSYCHIC · 21-91005

$114.95 In stock

All Balls Racing Fuel Valve Kit (FS101-0163)

ALL BALLS RACING · 62-90804

$137.95 In stock

Namura Piston Kit (NX-70026)

NAMURA · 70-91000

$129.95 In stock

DRC/ZETA/UNIT Case Saver (027379)

DRC/ZETA/UNIT · 027379

$104.99 In stock

All Balls Shock Bearing Kits (206503)

ALL BALLS RACING · 206503

$87.99 In stock

All Balls Brake Master Cylinder Rebuild Kit (209397)

ALL BALLS RACING · 209397

$40.99 In stock

All Balls Racing Hose and Clamp Kit (FS110-0123)

ALL BALLS RACING · 62-90881

$21.95 In stock

Enduro Engineering EVO2 Handguard Mount Kit 50-5214B/S

Enduro Engineering · 459330

$104.99 In stock

DRC/ZETA/UNIT Lowering Kit (428815)

DRC/ZETA/UNIT · 428815

$239.99 In stock

Boyesen MX Pro-Series Reed (PRO-113)

BOYESEN · 78-00113

$99.95 In stock

DRC/ZETA/UNIT Trigger Brake Pedal (228364)

DRC/ZETA/UNIT · 228364

$129.99 In stock

Emgo Brake Lever (30-69563)

EMGO · 61-90506

$4.48$9.95 In stock

All Balls Carburetor Repair Kit (26-10047)

ALL BALLS RACING · 26-10047

$53.95 In stock

Polisport Frame Protector — KTM Pair

Polisport · 255157

$42.99 In stock

Polisport Rear Shock Flap (142899)

Polisport · 142899

$24.99 In stock

Psychic Radiator Oversized Single (XD-10099)

PSYCHIC · 71-95005

$299.95 In stock

V-Force Reed Valve Kit (V306A-H)

V-FORCE · 78-90005

$289.95 In stock

All Balls Rear Shock Seal Kit (37-1119)

ALL BALLS RACING · 37-1119

$92.95 In stock

Namura Top End Repair Kit (NX-70029K)

NAMURA · 70-99010

$189.95 In stock

Arrowhead Voltage Regulator (230-42022)

ARROWHEAD · 85-91001

$124.95 In stock

Vertex Water Pump Rebuild Kit (821007)

VERTEX · 821007

$57.95 In stock

DRC/ZETA/UNIT Astelight Wheel Hub

DRC/ZETA/UNIT · 027366

$659.99 In stock

All Balls Wheel Spacer (209445)

ALL BALLS RACING · 209445

$54.99 In stock

DRC/ZETA/UNIT Adjusting Axle Block

DRC/ZETA/UNIT · 022257

$61.99 In stock

SBS Brake Pin (4003)

SBS · 4003

$22.95 In stock

All Balls Brake Caliper Rebuild Kit (18-3046)

ALL BALLS RACING · 18-3046

$44.95 In stock

Enduro Engineering 35mm Brake Pedal Tip (459194)

Enduro Engineering · 459194

$44.99 In stock

All Balls Float Bowl Gasket (46-5013)

ALL BALLS RACING · 46-5013

$16.95 In stock

All Balls Carburetor Repair Kit (209499)

ALL BALLS RACING · 209499

$56.99 In stock

Emgo Lever (30-69532)

EMGO · 61-90501

$8.08$17.95 In stock

All Balls Master Cylinder Rebuild Kit (18-4001)

ALL BALLS RACING · 18-4001

$56.95 In stock

Hot Rods Connecting Rod Kit (8627)

HOT RODS · 72-96007

$207.95 In stock

All Balls Crankshaft Bearing Kit (24-1097)

ALL BALLS RACING · 24-1097

$196.95 In stock

Hot Rods Heavy-duty Crankshaft (4024)

HOT RODS · 72-05006

$685.95 In stock

Trailtech Surface Mount TTO Computer Kit (223016)

Trailtech · 223016

$91.99 In stock

Namura Full Gasket Set (NX-70110F)

NAMURA · 70-47034

$239.95 In stock

R&G Exhaust Protector (EP0011BK)

R&G · 3-204006

$51.12$92.95 In stock

Psychic Fuel Cock Repair Kit (MX-07655)

PSYCHIC · 6-290200

$20.95 In stock

DRC/ZETA/UNIT Gas Valve Rear suspension WP (228934)

DRC/ZETA/UNIT · 228934

$84.99 In stock

Vertex Ignition Cover Gasket (816387)

VERTEX · 816387

$11.95 In stock

Polisport Ignition Cover Protector (142327)

Polisport · 142327

$35.69$50.99 In stock

Namura Piston Rings (NX-20000-1R)

NAMURA · 70-92000

$16.95 In stock

Enduro Engineering Radiator Brace (459120)

Enduro Engineering · 459120

$169.99 In stock

V-Force 4 Replacement Gasket (G426-K)

MOTO TASSINARI · 78-02102

$19.95 In stock

VForce4 Reed Valve System (341004)

VFORCE · 341004

$309.99 In stock

All Balls Racing Shock Bumper (37-1204)

ALL BALLS RACING · 37-1204

$38.95 In stock

All Balls Steering Bearing Kit (22-1026)

ALL BALLS RACING · 22-1026

$63.95 In stock

Hot Rods Transmission Bearing Kit (HR00163)

HOT RODS · 22-01506

$212.95 In stock

DRC/ZETA/UNIT Suspension Lowering Link -30mm

DRC/ZETA/UNIT · 228306

$239.99 In stock

Trailtech External Antenna for Voyager Pro (223170)

Trailtech · 223170

$66.99 In stock

Enduro Engineering Handlebar Riser Kit (459473)

Enduro Engineering · 459473

$53.99 In stock

DRC/ZETA/UNIT Magnetic Drain Bolts (027999)

DRC/ZETA/UNIT · 027999

$16.99 In stock

Acerbis Rear Disc Cover Mount (2106919999)

ACERBIS · 38-00693

$5.99$29.95 In stock

All Balls Carburetor Mid Body Gasket Kit (26-10155)

ALL BALLS RACING · 26-10155

$25.95 In stock

All Balls Chain Roller (79-5003)

ALL BALLS RACING · 79-5003

$32.95 In stock

All Balls Countershaft Seal Kit (25-4045)

ALL BALLS RACING · 25-4045

$39.95 In stock

Vertex Complete Engine Rebuild Kit (WR101-216)

VERTEX · 72-98000

$1,350.95 In stock

Twin Air Air Filter Foam Cover

Twin Air · 025239

$40.99 In stock

DRC/ZETA/UNIT Fork Top Bleeder — 228858

DRC/ZETA/UNIT · 228858

$33.99 In stock

All Balls Quick Break Fuel Filter (47-3024)

ALL BALLS RACING · 47-3024

$52.95 In stock

All Balls Fuel Pump Rebuild Kit (47-2078)

ALL BALLS RACING · 47-2078

$129.95 In stock

All Balls Quick Break Fuel Pump Filter (337923)

ALL BALLS RACING · 337923

$53.99 In stock

All Balls Fuel Tap Rebuild Kit (60-1014)

ALL BALLS RACING · 60-1014

$22.95 In stock

DRC/ZETA/UNIT Rubber Killer Steering Fitting (022391)

DRC/ZETA/UNIT · 022391

$28.99 In stock

DRC/ZETA/UNIT Bolt Set for Plastic (228947)

DRC/ZETA/UNIT · 228947

$86.99 In stock

ASV INVENTIONS Rotator Clamp - Front Brake

ASV INVENTIONS · 481083

$61.99 In stock

Kimpex 4" Round Mirror (055059)

Kimpex · 055059

$20.99 In stock

VForce3 Petal Kit (317058)

VFORCE · 317058

$119.99 In stock

Ipone Box X-Trem Oil (050719)

Ipone · 050719

$21.59$23.99 In stock

Namura Piston Needle Bearing (09-B013-1)

NAMURA · 720-7008

$14.95 In stock

Wiseco Top End Needle Cage Bearing (060773)

Wiseco · 060773

$40.99 In stock

DRC/ZETA/UNIT Triangle Stand

DRC/ZETA/UNIT · 023051

$30.99 In stock

Enduro Engineering Throttle Body Guard (459254)

Enduro Engineering · 459254

$63.99 In stock

Kimpex HD Starter Relay Solenoid Switch (286869)

Kimpex HD · 286869

$29.99 In stock

DRC/ZETA/UNIT Rear Suspension Bleed Cup (027385)

DRC/ZETA/UNIT · 027385

$104.99 In stock

All Balls Rear Shock Seal Head Assemblies (209321)

ALL BALLS RACING · 209321

$93.99 In stock

Polisport Rear Shock Protector KTM (142168)

Polisport · 142168

$24.99 In stock

Enduro Engineering Spark Arrestor End Cap (459554)

Enduro Engineering · 459554

$189.99 In stock

Enduro Engineering Start/Stop Button (459592)

Enduro Engineering · 459592

$289.99 In stock

ElectroSport Stator (215112)

ElectroSport · 215112

$277.99 In stock

All Balls Tapered Steering Bearing Kit (206424)

ALL BALLS RACING · 206424

$64.99 In stock

Pivot Works Steering Stem Bearing Kit (PWSSK-T01-521)

PIVOT WORKS · 05-98001

$107.95 In stock

DRC/ZETA/UNIT Fork Bolt Kit

DRC/ZETA/UNIT · 027293

$22.99 In stock

KOUBA Links Lowering Link (KTM11-3-R)

KOUBALINK · 06-51025

$289.95 In stock

All Balls Swing Arm Linkage Kit (209029)

ALL BALLS RACING · 209029

$165.99 In stock

Polisport Swing Arm Protector (243633)

Polisport · 243633

$52.49$74.99 In stock

Psychic Throttle Cable (MX-05982)

PSYCHIC · 6-250000

$57.95 In stock

TAG Metals Aluminum Throttle Tubes (AB1-400)

TAG METALS · 34-02803

$35.00$69.99 In stock

DRC/ZETA/UNIT Tire Lever with Wrench (023316)

DRC/ZETA/UNIT · 023316

$54.99 In stock

Enduro Engineering 4 in 1 Axle Wrench (459470)

Enduro Engineering · 459470

$45.99 In stock

Polisport Water Pump Cover Protector (256132)

Polisport · 256132

$25.99 In stock

ASV INVENTIONS Clutch Lever Serie C6 – Off-Road — 6.5"

ASV INVENTIONS · 480545

$219.99 In stock

Hiflofiltro OE Replacement Air Filter (HFF5013)

HIFLOFILTRO · HFF5013

$35.95 In stock

Bridgestone BattleCross X20 Tire

Bridgestone · 112169

$220.98 In stock

JT 1901 Self-Cleaning Steel Front Sprockets (JTF1901.14SC)

JT SPROCKET · 24-F1901-14SC

$26.95 In stock