Question about 1996 KTM Duke

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1996 ktm exc 300- shooting oil out of exaust

Bike is hard to start, once going dies when choke is turned off. It shoots alot of oil out of the exaust. what could be the problem? i know very little about the bike.

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Sound like the carbie is blocked up or its very low on comprussion get a book remove carbie aand give it a good clean up . id start here frist

Posted on Jun 07, 2009


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1 Answer

2003 KTM EXC 250 hard to start. Heavy kicking full throttle choke closed finally starts. 4 stroke. Revs high then low and dies what do I need?

That sounds like a loose hose or bolts between the carb and the cylinder. Classic symptoms of hard starting, revving and dies. If not that, strip and clean the carb.

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What is the fuel mixture for a 2002 KTM 300 EXC 2 stroke? Thanks

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I have a 91 ktm 300 exc and it bogs down and dies when i isnt choked and at a low rpm

Your carb needs to be cleaned. More specifically, the pilot jet, but if it's clogged it'd be best to go ahead and clean the whole thing.

Remove the carb from your bike and then remove the bowl from the bottom. You'll then be looking at the jets and float valve. The jet causing your issue is the smallest one. Remove it and carefully spray it out with carb cleaner. Then hold the jet up and see if you can see light through the hole and that it appears clean and round-meaning no obstruction left. Locate the mixture screw on the outside of the carb. It should use a flat screwdriver. First turn the screw in and count the number of turns. Then remove the screw, followed by the spring and ,if applicable, a small o-ring. Spray through the hole and make sure it goes through and comes out somewhere. Replace the screw in the reverse order and set to the original setting you counted in the beginning.(rough estimate is 1.5 turns out. Cleanliness is the key to the carb working. So keep it spotless inside and reinstall. This should take care of your problem.

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Runs great with choke on but continues to die when choke is turned off. 2008 ktm 530 exc

Hey mate,

you definately have a problem with your fuel system, I would say you have had some dirty fuel thru your bike, the first thing i would check would be the fuel filter between your tank and the carby then if still does not run drain your carby bowl... after this if it still does not run you will need your fuel system/carb stripped down and flushed would recommend getting this done by a mechanic as there is alot of small parts involved...

Hope this helps

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Just bought used bike w no manual oil change how much oil where are the the correct bolts to to drain and check

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gas/oil ratio should be 40:1 synetic.empty tank drain carb bowl thats it l have 92 250 exc. It has fmf pipe &silencer boyesson rad valve, been ported ,crank has been balanced,PVL ignition. I use spectro synetic 36;1 to keep it well lubed at wide open. ,,,

Nov 10, 2008 | 2005 KTM MXC 300

1 Answer


gas/oil ratio should be 40:1 synetic.empty tank drain carb bowl thats it l have 92 250 exc. It has fmf pipe &silencer boyesson rad valve, been ported ,crank has been balanced,PVL ignition. I use spectro synetic 36;1 to keep it well lubed at wide open. ,,,

Nov 10, 2008 | 2005 KTM EXC 300

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