KTM SX 300 2003 — 17 compatible parts
KTM SX 300 2003 parts by category






Technical specs & maintenance KTM SX 300(oils, jetting, service intervals...)
Maintenance: frequently asked questions
Which engine oil for the KTM SX 300 (1993-2004)?
Huile 2T (Motorex Cross Power 2T, Putoline MX7) — Mélange 2 à 3 % (4 % en compétition)
Which gearbox oil for the KTM SX 300 (1993-2004)?
SAE 10W-40 JASO MA
When to change the gearbox oil on the KTM SX 300 (1993-2004)?
Toutes les 5 h en compétition, 20-25 h en loisir
When to replace the piston and rings on the KTM SX 300 (1993-2004)?
Segments toutes les 20 h, piston toutes les 40 h
When to change the fork oil on the KTM SX 300 (1993-2004)?
Vidange huile toutes les 50 h
Which brake fluid for the KTM SX 300 (1993-2004)?
DOT 4
Recommended product: Hydraulic brake and clutch fluid LIQUI MOLY 500ml in DOT 4
What is the stock chain kit on the KTM SX 300 (1993-2004)?
520 - 14/50 (a confirmer, certains catalogues donnent 13/50)
What are the tire sizes for the KTM SX 300 (1993-2004)?
80/100-21 / 110/90-19
Which spark plug for the KTM SX 300 (1993-2004)?
NGK BR8ECM, ecartement 0,60 mm
Recommended product: Standard spark plug NGK BR8ECM for BETA, KTM, HUSQVARNA,...
La KTM 300 SX des années 90-2000 est une machine de caractère recherchée en restauration. Ses pièces d'usure restent disponibles ci-dessous.
Official documentation
Data compiled by Cross Mania for guidance only. It does not replace the manufacturer documentation: always check the figures in your machine workshop manual before working on it.
All compatible parts
17 products
ATHENA Clutch Cover Gasket for KTM EGS, EXC, GS, MX, MXC, SX 250, 300, 360, 380 1990-2018
ATHENA Cylinder Base Gasket for KTM EGS, EXC, GS, MX, MXC, SX 250, 300, 360, 380 1990-2003
ATHENA Cylinder Base Gasket for KTM EXC, EXCF, SX, SXS 250, 300, 400, 450, 520, 525, 540 and BETA RR 400, 450, 525 2000-2013
ATHENA Cylinder Head Gasket for KTM EGS, EXC, MXC, SX 250, 300, 360, 380 and GAS GAS EC 300 1995-2014
ATHENA Cylinder Head Gasket O-ring Ø83.00 x 2 mm for KTM and YAMAHA 1993-2026
ATHENA Engine Bearing for KTM, HUSQVARNA, GAS GAS and BETA 2002-2023
ATHENA Exhaust Gasket for KTM EGS, EXC, GS, MX, MXC, SX 250, 300, 360, 380 1990-2003
ATHENA Ignition Cover Gasket for KTM EXC 250, EXC 300, EXC 380, MXC 250, MXC 300, SX 250, SX 300, SX 380 1999-2003
ATHENA Needle Bearing for KTM, BETA, HUSQVARNA, GAS GAS and HUSABERG 1990-2027
ATHENA Racing Forged Piston for KTM EGS 300, EXC 300, GS 300, MX 300, SX 300, XC 300 1996-2005
ATHENA Top End Gasket Kit for KTM EXC 250, EXC 300, EXC 380, MXC 250, MXC 300, SX 250, SX 300, SX 380 1999-2003
All years and other KTM models
17 spare parts are listed as compatible with the 2003 KTM SX 300. They are sorted into 6 categories, including high engine (6), gaskets (4) and carburetors (3). Main brands: ATHENA, BOYESEN, UFO and TURBOKIT.
Other years: 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027
Other KTM models
KTM SX 50 2003 · KTM SX 60 2003 · KTM SX 65 2003 · KTM SX 85 2003 · KTM SX 105 2003 · KTM SX 125 2003 · KTM SX 200 2003 · KTM SX 250 2003 · KTM SX 380 2003 · KTM SX 400 2003 · KTM SX 450 2003 · KTM SX 520 2003 · KTM SX 525 2003 · KTM SX 540 2003 · KTM SXF 450 2003 · KTM EXC 250 2003































