2003 KTM SX 250 Logo

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Posted on Jul 31, 2011
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I was riding my KTM 250sx when it suddenly lost power and blurred out to a stop I tried kicking it over but their was nothing I took it back to the garage and tried kicking it over a few more times and their was nothing still I took out the spark plug and rested it against the casing and their didnt seem to be a spark at first but my mate fiddled with the kill swith and I ended up getting a belt off the plug I tried it again but nothing happened then I got another belt a bit later on I was just wondering if it could be the kill switch corsing the bother or maybe the plug itself I had a KTM 125 and that didnt have a kill switch at all and just stopped because the tick over screw was wound in so maybe it is a common problem? I could live without a tick over and kill switch I suppose what would I do to take off the kill switch? Would that be the best way around it? Could it just be the plug?

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Anonymous

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  • Expert 56 Answers
  • Posted on Sep 20, 2012
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Joined: Apr 16, 2009
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SOUNDS LIKE YOU MAY HAVE A DICKY KILL SWITCH . TRY TO FIND IT'S CONNECTOR( COULD BE UNDER THE TANK NEAR THE HEAD STOCK)UNPLUG THE CONNECTOR AND YOU SHOULD GET A SPARK. IF SO CHAGE THE SWITCH . MAKE SURE YOU CHECK TRY A NEW SPARKPLUG FIRST.....CHEERS.

4 Related Answers

agent91

Ned White

  • 2100 Answers
  • Posted on Mar 17, 2010

SOURCE: My 2001 KTM 250sx is stuck in gear, the shifter moves.

It sounds like the end of the shifting shaft has broke loose, it is a welded joint, If you can grab the shifter with your hand and feel that thing slip in there, up and down,that might be the problem, but splitting that case, ugh, total rebuild.Too bad you can't get to it through the clutch. Hope this helps.moz-screenshot-1.png

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Anonymous

  • 1 Answer
  • Posted on Jul 21, 2010

SOURCE: is the sachs zx 125 rear sprocket same as ktm

sorry i dont but do you no the code or number for a set of sachs zx 125 fork seals ????? email me [email protected]

pepsiman1967

Dorrian Wilkins

  • 216 Answers
  • Posted on Jul 30, 2010

SOURCE: What could cause a KTM 250SX transmission to

Either the shift linkage could be binding or you may need to adjust the clutch.
The other problem might be a synchronizer in the transmission going bad.

Anonymous

  • 7 Answers
  • Posted on Aug 11, 2010

SOURCE: I have a 2003 ktm

How is your clutch? Does it slip or drag when starting out? When you put it into 1st gear when starting out does the bike lunge forward? Hold it in first gear with the clutch in and rev the bike up. See if the bike wants to move forward with the clutch in.It sounds to me like your clutch isn't set right or getting worn out. Much easier to shift at low rpms on a clutch than high rpms. I hope this helps...

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