Question about KTM EXC 525 Racing Motorcycles

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My 07 KTM 525 blows smoke and uses all the oil arter 2 hrs of riding, It was sitting for about 1 year and never used oil before

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One of the disadvantages of parking a bike for such a long time. One of 2 things have happened.(Or maybe both.)
Valve stem seals have hardened.
Rings have become gummed up.
Either way you'll need to get the head and barrel off. I've heard of mixing a table spoon brake fluid with a cup of petrol and running that through the carb. I dont recommend it as I've not tried it. Rather try something like valve ease. Dont use it too often. The graphite tends to clog filters. I've also used acetone on my 4X4 but be VERY careful. Use only about a teaspoon full per litre of fuel.

Posted on Aug 02, 2010

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Posted on Jan 02, 2017

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1 Answer

Why does the Acerbis 6.6 gal tank of the 2004 ktm 525 sx not fit the exc


Hi, Fred parts swapping is common with most motorcycles when it comes to interchangeable or compatible parts from one model with another except for CDI's they are year-make-model specific the best thing to do is call your local Dealership Parts Department or a reputable independent shop. If your location is not near a shop then go online and find a parts catalog or "FICHE" and match part numbers depending on your criteria.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
Amazon com ACERBIS 6 6 GALLON FUEL TANK ORANGE KTM EXC SX 02 07 Automotive
Advice on fuel tanks for the 525 EXC 2000 2007 KTM 250 400 450 525 SX EXC service repair manual pdf
https://www.partsfish.com/page/oem-parts-for-ktm
2004 KTM 250f450f525f sx fexc fmxc owners manual pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Nov 27, 2017 | 2004 KTM EXC 525 Racing

1 Answer

Whats most likely the prob if I filled my dirtbike oil level to full and within 1 hr of riding low on oil with white smoke and oio blowing out of exhaust


it would be helpful if you would give us details like what kind of oil, etc. and tell us if it is a 2 stroke or 4 stroke, off road only or dual purpose

Sep 23, 2014 | 2007 KTM 660 SMC

1 Answer

2001 KTM 250 SX idles fine and as soon as give it 1/2 to Full throttle it smokes something awful.


bad rings/ do a fuel teatment/ change oil use good oil spend the buck

Aug 09, 2013 | 2000 KTM EXC 380

1 Answer

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


WIth Shell v-power and your favourite 2-stroke oil, you could go 50:1 (that's from my dealer). I have been running 50:1 since my 2002 300 EXC has been new, always use new mix for every ride, and drain whatever leftover is in the tank every two weeks.

Sep 20, 2011 | 2002 KTM EXC 300

1 Answer

Can i restrict a ktm 525 to 33 bhp


yes. like any bike your local dealer can restrict it for you.
i would question why you would want to restrict the 525 when it would be easier to get a 250 and restrict that instead. the difference would be much less noticeable and you wouldn't feel like you were riding a castrated bike. i'd wait for your licence upgrade to get a 525. or just do your accelerated access in the mean time and get the 525 in it's natural form. if you can afford a 525 you can afford accelerated access.

Jul 19, 2010 | 2005 KTM EXC 525 Racing

1 Answer

2009 KTM 250 exc-f excessive oil use, no apparent oil leaks or blue smoke


It is normal for these bikes to use some oil. A typical, maintained 250 4 stroke will use a pint of oil or more in one day of riding - depending on a lot of variables, of course. Oil consumption on these four strokes is quite typical.

Nov 08, 2009 | 2005 KTM EXC 250 Racing

4 Answers

I have a 2005 KTM 525 SX that burns alot of oil, and makes blue smoke, but still has lots of compression and power, I'm just wondering if it would be piston rings or Valve problems?


Could be the valve guides, or it could be the rings are worn, or not aligned properly.

What was the actual compression reading?

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c

Sep 11, 2009 | 2005 KTM SX 525 Racing

1 Answer

Using oil after 1/2 top end rebuilt what type oil do u rec.


re- strip top end, hone cylinder bore and then re-assemble piston, rings and cylinder dry, yes that's correct use no oil on piston assy. apart from gudgeon pin. Has the valve stem seals been replaced?

Apr 13, 2009 | 2002 Honda XR 200

1 Answer

It wont start


well it could be because the bike sat for a while. with the 2 stroke gas being mixed with oil sometimes when it sits the oil sinks to the bottom and it will clog the valves fuel lines carb every thing. you should check.

Mar 28, 2009 | 2006 KTM 525 SX

2 Answers

Maintenance


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

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