Question about 2000 KTM EXC 250

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My KTM 250 EXC has been sitting all winter. Now it won't start. Plug looks fine and I put fresh fuel in.

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???? check oil and try to choke with hand and clean carb

Posted on Mar 10, 2009

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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

My KTM started before winter, so I changed the spark plugs and put a new sprocket on it, and new gas. but it will not start. What could it be, or what are some troubleshooting tips?

I am assuming you didn't drain your carb prior to winterizing. So just because you put new gas in doesn't mean that you couldn't have obstructions in the carb from sitting through the winter. Remember in order to start you need 3 things:
1) Compression
2) Spark
3) Fuel

More than likely your compression is good.
Double check that you have spark.
Then confirm your carb is clean.

Feb 22, 2011 | 2000 KTM EXC 300

1 Answer

Starts ok when cold stalls when hot and wont re start, i have checked valve clearances

Do not twist the throttle when re-starting a hot engine. That bike floods easily. The power valve in the carb squirts gas into the cylinder with every twist of the throttle. A fresh spark plug will also help.

Feb 02, 2011 | 2008 KTM 250 EXC-F

1 Answer

What Spark Plug Tool Will Remove My Plug From My KTM 250 SXF 2008? Spark Plug Wrench 16mm 1/2 Inch 60029073000 Spark Plug Key 77029072000 Didnt Get One With My Bike And Want To Order The Right One....

Motion Pro offers a tool that is half the price of the one KTM offers, that will do the job. I got mine at after searching all over for months trying to find a cheap alternative to removing the spark plug from my 2007 KTM 250 SXF.

Aug 07, 2010 | 2005 KTM EXC 450 Racing

1 Answer

I have a ktm 250 exc 2001. It had a full engine rebuild in december and i have been using it day to day to go to work with the odd green land fun. last week it started putting oil out from some where up...

The gray color(if it's milky) may be water and may mean that your water pump seals are leaking. Check your radiator level, it should tell you. Be sure to replace both and check the waterpump shaft for corrosion in the seal area. If there is, replace the shaft, too, or the problem will occur again.

If you don't feel that you have water in the oil, it may be that your right crank seal is blown. This will pressurise the clutch and tranny area and likely blow oil some out of any place it can on the right side. If this is the case, the engine will have to be pulled and completely disassembled to replace your crank seals and possibly the main crank bearings.

*Help me out. Rate me!

May 20, 2010 | 2005 KTM EXC 250

1 Answer

Bikes been sitting for about 2 yrs, no use.

Most likely source of a problem will be a gummed up carb. Clean it thoroughly and drain fuel tank and replace with fresh fuel. Probably would be a good idea to check the valve lash, too.

May 20, 2010 | 2001 KTM Exc-Racing E 400

1 Answer

Is fitting clutch plates to ktm exc-f 2004 a big job

Make sure to put every thing you take of in order and if needed do a drawing so that you can see what part goes where .The last part you take off will be the first part you put back on .

Mar 18, 2010 | 2004 KTM EXC 250

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