Question about 2005 KTM EXC 525 Racing

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Light to moderate backfiring when off throttle only

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That is caused by too much air intake

try adjusting the carborator screw

good luck!

Posted on Mar 24, 2011

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Why does my trx200sx backfire when I let off throttle it just started this


Dennis, Maybe try changing your plugs, unburnt fuel may be getting in exhaust because of weak plug.. Read the following links, very informative in telling causes of and some suggested fixes on backfiring. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
http://www.rcramer.com/shop/backfire.html

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