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KTM SX 125 discussions

2024 KTM 125 SX. Picture submitted by anonymous user.	Discuss the KTM SX 125 models without registering or logging in. Simply enter questions, comments or answers. We specially welcome comments on technical issues, riders' experiences, tips on styling and performance enhancements and references to tests. You may also sell or request parts. Use the button below to write extensive reviews with pictures.
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Discussion topics for KTM SX 125 motorcycles:

Ktm 125 sx 1999 (By Jc, 2022-05-12)
Evan (By Evan McCormack, 2020-11-17)
Ktm 125 (By Reece brown, 2019-08-24)
Size (By Ross paterson, 2019-02-13)
Cheap bike?? (By Adam lindsay, 2016-12-15)
big orange 125 (By steve, 2016-10-07)
03 99 inteterchangeable? (By peckerwood, 2016-01-11)
Ktm wont start (By T taylor, 2015-03-14)
My ktm %&#!¤ ripps (By steven, 2014-08-03)
Jetting (By Bobbyb, 2013-08-11)
KTM 125 & 250 frame mounting 2006 (By FID, 2013-02-04)
bar wobbles (By william post, 2013-01-11)
robw (By robw, 2012-11-26)
No Power at the top of the gear (By Kevin, 2012-08-11)
KTM 125sx (By Scotty, 2012-04-26)
First Bike KTM 125sx? (By Paul J, 2012-02-09)
neeeeeeeeeeeepad (By neeeeeeeeeeeeeee, 2011-11-05)
power (By alexdeffense, 2011-06-24)
piston and ring size (By doc, 2011-05-13)
Standard Base Gasket Thickness (By Mike, 2011-04-06)
theres no power (By evan owens, 2010-10-20)
wats better (By 125 xs vs 250sxf, 2010-08-10)
joe (By joe carraway, 2010-07-07)
- RE: joe (By R.goon14, 2010-08-02)
gear box oil (By manny, 2010-06-26)
KTM kid (By Ktm kid, 2010-05-04)
horsepower?? (By hamish, 2010-04-21)
04 KTM 125 SX discussion (By Don David, 2010-04-10)
need help please (By jc233, 2010-03-17)
05 sx 125 repair manuals (By dom, 2010-03-12)
chrisy (By c toman, 2010-02-25)
gear oil question? (By gisli, 2010-02-02)
Opening the throttle (By Niall, 2009-03-31)
- RE: Opening the throttle (By hamish, 2010-04-21)
shift pattern (By John, 2009-03-24)
- RE: shift pattern (By hamish, 2010-04-21)
max (By ktm 125sx 09, 2009-03-11)
question about my new 05 ktm 125 (By rick, 2008-12-11)
03 ktm 125 sx (By none, 2008-11-15)
superman??? (By mike g, 2008-07-06)
how much motor oil dos it hold (By alex keith, 2008-06-05)
electrical (By greg, 2008-05-26)
- RE: electrical (By Ty B, 2012-08-10)
sx 125 066666 (By tsps, 2008-03-05)
How much gear oil do i use (By Dan, 2007-11-13)
- RE: How much gear oil do i use (By stephen, 2013-07-06)
i need an air box cover/plastric for an 05 ktm 125 sx (By chance, 2007-08-12)
what plugs do you run? (By tyler, 2007-07-02)
- RE: what plugs do you run? (By michael Sylveste, 2010-02-19)
front fork oil (By greg fuchs, 2007-06-22)
how fast will my ktm sx 125 go? like speed wise about 75? (By austin smith, 2007-06-20)
can i fit (By Con, 2007-06-08)
is it better? (By greg, 2007-06-06)
jkhgjk (By mhhgjhgj, 2007-06-03)
- RE: jkhgjk (By ghj, 2007-10-10)
how can i get more performance? (By PIRI, 2007-05-25)
- RE: how can i get more performance? (By nickk, 2010-10-06)
rear sespension sag (By adam short, 2007-05-22)
Clutch Master Cylinder (By Julie Kronable, 2007-04-03)
mark (By mkk, 2007-03-29)
how is the price (By favio, 2007-02-03)
SX KTM 125 (By j.breeze, 2006-11-27)
- RE: SX KTM 125 (By hamish, 2010-04-22)
SX i love it (By Daniel, 2006-10-08)
how strong is it? (By ljubsa, 2006-10-05)
ktm sx 125 03 (By matt, 2006-10-03)
- RE: ktm sx 125 03 (By hamish, 2010-04-22)
help me please (By Dave Dutcher, 2006-09-17)
How Fast??? (By Moto-boi_999, 2006-07-07)
- RE: How Fast??? (By JB, 2007-05-24)
  - RE: How Fast??? (By ~~~ME~~~, 2008-12-02)
1993 125 sx (By John, 2006-07-01)
125 ktm sx (By Jamie Rankine, 2006-06-07)
- RE: 125 ktm sx (By g man, 2007-09-13)
oil entering exhaust (By philabong, 2006-05-29)
- RE: oil entering exhaust (By matt, 2006-10-03)
Is It really? (By Revin Kevin, 2006-05-23)
about ktm (By Adam HInckley, 2006-01-25)
ktm rider (By adrian39595, 2005-12-27)
Fuel Mixture (By Aaron Suidgeest, 2005-08-02)
- RE: Fuel Mixture (By tyler, 2007-07-02)
  - RE: Fuel Mixture (By Niall, 2009-03-31)
- RE: Fuel Mixture (By Nick KTM Poole, 2010-03-14)
- RE: Fuel Mixture (By Riley Bassett, 2012-03-03)
ktm 125 (By scott, 2005-07-21)
KTM125 sx (By S.Moorat, 2005-06-19)
- RE: KTM125 sx (By someone, 2005-10-03)
  - RE: KTM125 sx (By someone, 2006-02-22)
- RE: KTM125 sx (By 125 sx, 2007-03-19)
SX125 2004 (By MIKE, 2005-06-14)
- RE: SX125 2004 (By Kenny Harrison, 2006-03-01)
my 125 sx (By mark, 2005-02-23)
buying advicr (By austin, 2004-12-21)
cold weather starts a problem? (By DuD in the mud, 2004-12-12)
- RE: cold weather starts a problem? (By Steve, 2009-07-13)
man, r these good bikes for an 80cc rider? (By its me man, 2004-11-29)
- RE: man, r these good bikes for an 80cc rider? (By someone, 2005-10-03)
- RE: man, r these good bikes for an 80cc rider? (By ~~~jesse~~~, 2008-10-23)
- RE: man, r these good bikes for an 80cc rider? (By JAMIE, 2011-08-25)
cfbvfgbvsdfbvsrdfgsh (By jh, 2004-11-18)
is it good (By tyler, 2004-09-24)
- RE: is it good (By joe, 2004-11-11)
- RE: is it good (By matt, 2005-02-26)
  - RE: is it good (By deano, 2006-04-18)
ktm 125 ???? (By cory jones, 2004-09-18)
- RE: ktm 125 ???? (By Mr. B, 2004-11-15)
  - RE: ktm 125 ???? (By Jon H., 2005-05-05)
MPG (By Jimmy, 2004-09-17)
2005 125 sx (By My first ktm, 2004-09-08)
- RE: 2005 125 sx (By Revin Kevin, 2006-05-24)
SX 125 (By phillip, 2004-09-07)
PERFORMANCE UP GRADES (By FAITH, 2004-08-24)
HOW FAST DO THESE BIKES GO!?!?!?!?!?! (By Scott T., 2004-08-12)
- RE: HOW FAST DO THESE BIKES GO!?!?!?!?!?! (By HUNTER, 2009-06-19)
KTM 125 sx How Much Fork Oil? (By Matt Norman, 2004-07-31)
KTM 125 sx How Much Fork Oil? (By Matt Norman, 2004-07-31)
KTM 125 sx How Much Fork Oil? (By Matt Norman, 2004-07-31)
KTM 125 sx How Much Fork Oil? (By Matt Norman, 2004-07-31)
exhaust problems (By Billy Intini, 2004-06-13)
- RE: exhaust problems (By hondaman928, 2004-07-11)
- RE: exhaust problems (By Skin Man, 2004-12-25)
- RE: exhaust problems (By hamish, 2010-04-21)
Comment (By NN, 2004-03-26)
Top speed (By NN, 2004-02-18)
- RE: Top speed (By johny, 2004-04-22)
  - RE: Top speed (By Matt Rivers, 2004-07-18)
    - RE: Top speed (By bw, 2007-04-29)
- RE: Top speed (By Superman, 2004-08-04)
- RE: Top speed (By adam, 2010-07-07)
  - RE: Top speed (By Dylan, 2010-07-09)
  - RE: Top speed (By buya, 2015-01-25)
- RE: Top speed (By Ian, 2010-09-17)
data (By martin fair, 2003-05-26)
- RE: data (By NN, 2003-09-10)
OIL MIXING (By NN, 2002-07-18)
- RE: OIL MIXING (By jsabo777@aol, 2003-11-04)

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Discussion forums for individual KTM SX 125 motorcycles:

2024 KTM 125 SX (Enduro/offroad, 125 ccm)
2023 KTM 125 SX (Enduro/offroad, 125 ccm)
2022 KTM 125 SX (Enduro/offroad, 125 ccm)
2021 KTM 125 SX (Enduro/offroad, 125 ccm)
2021 KTM 50 SX (Minibike, cross, 49 ccm)
2021 KTM 50 SX Factory (Minibike, cross, 50 ccm)
2020 KTM 125 SX (Enduro/offroad, 125 ccm)
2019 KTM 125 SX (Cross/motocross, 125 ccm)
2018 KTM 125 SX (Cross/motocross, 125 ccm)
2017 KTM 125 SX (Cross/motocross, 125 ccm)
2016 KTM 125 SX (Cross/motocross, 125 ccm)
2015 KTM 125 SX (Cross/motocross, 125 ccm)
2014 KTM 125 SX (Cross/motocross, 125 ccm)

2013 KTM 125 SX (Cross/motocross, 125 ccm)
2012 KTM 125 SX (Enduro/offroad, 125 ccm)
2011 KTM 125 SX (Enduro/offroad, 125 ccm)
2010 KTM 125 SX (Enduro/offroad, 125 ccm)
2009 KTM 125 SX (Enduro/offroad, 125 ccm)
2008 KTM 125 SX (Enduro/offroad, 125 ccm)
2007 KTM 125 SX (Cross/motocross, 125 ccm)
2006 KTM 125 SX (Cross/motocross, 125 ccm)
2005 KTM 125 SX (Cross/motocross, 125 ccm)
2004 KTM 125 SX (Cross/motocross, 125 ccm)
2003 KTM 125 SX (Cross/motocross, 125 ccm)
1999 KTM SX 125 (Enduro/offroad, 125 ccm)

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