20 Most Recent 2009 KTM 250 SX - Page 9 Questions & Answers


Check rear wheel bearings. Be sure the chain is adjusted and lubricated properly.

KTM Motorcycles | Answered on May 15, 2014


Waren clutch and or low oil check oil with engine at running temp also check for metal shavings in your clutch oil

KTM Motorcycles | Answered on May 13, 2014


Had great luck with Shorai but you will pay for it.

KTM Motorcycles | Answered on Apr 10, 2014


Clean carburetor idle jet and idle circuit.

KTM Motorcycles | Answered on Apr 04, 2014


94 - 96 only!

KTM Motorcycles | Answered on Apr 04, 2014


Drain the entire system and back-bleed it from the slave cylinder up with a syringe.

KTM Motorcycles | Answered on Apr 04, 2014


If the bolts are spinning you will have to drill off the bolt heads and extract the threads from the base inserts. Replace the petcock base o-ring, epoxy the base nuts into the tank body, install petcock. Or replace tank and valve. It's a choice of time or money.

KTM Motorcycles | Answered on Apr 04, 2014


Carburetor issue. Running to rich, water in carb and tank, or filthy air filter

KTM Motorcycles | Answered on Apr 04, 2014


The ring is too keep the pipe from damaging the cylinder.
The o-ring on the pipe is what seals it from leaking.

KTM Motorcycles | Answered on Apr 04, 2014


You must keep the fuel tank
at least half full

KTM Motorcycles | Answered on Mar 14, 2014


buy one from your dealer.

KTM Motorcycles | Answered on Mar 14, 2014


get yourself a workshop manual to do this properly

KTM Motorcycles | Answered on Mar 14, 2014


No the starter relay is seperate ! check all fuses and ignition system connections !

KTM Motorcycles | Answered on Mar 04, 2014


rewinding a stator is not difficult, find the right wire, better is square wire, as the heat conductance is better. If you select the same diameter you get automatically approximately the same amount of windings as the original. The sell the wire on Amazon and other places, Bing is your friend.

KTM Motorcycles | Answered on Feb 04, 2014


have you got a spark and is fuel getting to the spark plug ? check these and you might have your answer ! P...

KTM Motorcycles | Answered on Jan 16, 2014


have u tried a new plug ? is power gettin to coil , put plug in cap and hold against a good earth point on head and crank over and see if plug sparks , if you dont see a spark try holding the plug and crank engine and if you dont feel voltage in your hand then remove cap off ht lead and repeat and if no voltage then check kill switch , if ok then check coil wires etc !

KTM Motorcycles | Answered on Jan 14, 2014


sounds like you bent a selecter fork in gearbox ! need to strip engine and check all parts inc cogs and bearings !

KTM Motorcycles | Answered on Jan 14, 2014


Sounds like idle jets are still clogged, they are really small and unless you check them, a standard cleaning of the carbs may not clear them. I use a nylon bristle pulled from a scrub brush to **** out the pilot jets.

KTM Motorcycles | Answered on Jan 08, 2014


i think you got gearbox problems

KTM Motorcycles | Answered on Jan 07, 2014

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engine stops when throttle opened also

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