Question about Honda 2005 TRX 450R

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Header problems 05 trx 450r runs n idles well, but, while idling, the first 6-7 inches of the header glows red hot. I can rev it up 7-8 times n it cools right back off. but, it quickly gets hot again when idling(20-30 seconds) I have had it for 4 years n never had this problem. I am curious what the problem is n what I can do about it

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  • 552 Answers

Its running lean. not sure if thats a carb or fuel injection. you need to richen the idle somehow.

Posted on Dec 10, 2017

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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landsend
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SOURCE: 2006 yz250f header is glowing at idle, has not done this before.

combustion chamber is tooooo hot.  Mixture is way to lean

Posted on Mar 22, 2009

  • 3567 Answers

SOURCE: glowing exhaust header yamaha wr250f

It won't be valve timing or clearance. The fuel/air mix would be the culprit. Clean the carburetor with special attention to the idle circuit. Remount the carb with new manifold gaskets. A manifold air leak will mess up the mixture. Also, get a new spark plug one heat range colder than stock. Hope this helps out!

Please rate this solution. Thanks!

Posted on Apr 07, 2009

  • 6 Answers

SOURCE: my Kfx 450r doesnt want to run.it idles 2 sec, then dies

if u got the bike wet from driving it through water u may need to take carb off and let it dry then wash it petrol then put it back on and she will be up and running in no time turst me i have ktm sx 450 and ride it through water all the time

Posted on May 11, 2009

  • 1 Answer

SOURCE: 83 suziki GS450 idle issues

the problem with the rubber was close but on the gs450 there is a metal insert that even if the rubber was rotted away the metal seals aginst the head so it cant leak. the problem is on the gs 450 suzuki used a cheap throttle cable that kinks behind the gas tank and kinks at the bend to the crabs under the set and the throttle system is a pull only not a dual cable pull push to always close the throttle. if you start the bike a wiggle the bend in the cable that comes out from the twist grip you will see it changes the idle. with either your finger or a screw driver and push the plate down on the carbs that the cable connects too. if the idle drops this conforms your problem. order a new cable from dennis kirk they have the revised one that has metal adjustment screw and metal clip in. better jacket casing as well.

Posted on Sep 29, 2009

ollie reece
  • 1167 Answers

SOURCE: Exhaust header pipes getting glowing red hot

the pilot jet is too only make the bike idle so it wouldnt be this is the engine have lots of oil in the engine

Posted on Oct 01, 2009

Testimonial: "I haven't thought of that but I will put a little more oil in it and try it again. Will let you know the results later. Thanks"

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