Question about 2006 KTM 250 SX-F

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Problem starting ktm 2006 sxf 250

Only just bought this bike have had it in the garage just on a week , went for a ride and could only kick start it once after about ten goes fuel was on and choke out just really hard to kick over.througout the day stopped and when time came to hot start it, it wouldnt kickover had to constantly clutch start it and would kick over fine , should i drain all the fuel does any one else have this problem, any help would be great,,

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  • 7 Answers

Check inlet valve clearances. they close up making it hard to start exactly as you described. titanium valve coatings wear and ressesion happens quickly,a clean air filter must be maintained to prevent contaniments wearing valve coatings.

Posted on Jun 22, 2009

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Posted on Jan 02, 2017

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1 Answer

2011 250 sxf . owned for 8 months bought new.problem is the bike will die as soon as you give it gas.problem is very intermitent. may run great for a while then will start doing it again. been to dealer 6...


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If it is still under warranty you could void your warranty
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a week later it would refuse to run.
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I have a ktm sxf 250 2006 model and when its hot it is very hard to kick start even with start assist spray and sometimes will not but it will roll start and also when you are at top of each gear mainly...


Using "Easy Start" or other ether based engine starting aerosols will damage the engines in the long run, reducing compression due to engine wear as the aerosol removes the oil traces off the engine bore and stripping the aluminiun from the pistons. If it were an old diesel engine, not a problem.
Check your petrol mixture settings and compression. As if the compression is low it will be hard to start.

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hi
If you have run the engine with too little oil then there is probably damage to the piston / rings & / or bore
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Ride Safe
Bike-Doc

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