05 yzf 450r issues


7 replies to this topic
  • Maxxim1403

Posted March 20, 2009 - 07:21 AM

#1

thanks for the header pipe issue.But this bike still has the loud back fire when you crack the throttle. Its a very loud pop,COULD SOMEONE PLEASE THROW SOME IDEAS OUT THERE...................... HELP...........HELP.............HELP:foul: :)

  • gdbarr1976

Posted March 20, 2009 - 07:29 AM

#2

Clean your carb. My guess is it is running lean due to partially clogged jets.

  • grayracer513

Posted March 20, 2009 - 07:40 AM

#3

Be a little more descriptive. Is it firing from the exhaust or the intake?

Is it backfiring when you let off the throttle at high rpm, or as you open the throttle to accelerate?

  • Maxxim1403

Posted March 20, 2009 - 08:11 AM

#4

Its Poping Out The Exhuast When Throttling Up. Iv Cleaned The Carb And Valve Adjust.

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  • grayracer513

Posted March 20, 2009 - 08:41 AM

#5

Try a fresh spark plug. That sounds more like an ignition problem.

  • Maxxim1403

Posted March 20, 2009 - 09:41 AM

#6

Fresh plug and new qoil in it.

  • grayracer513

Posted March 20, 2009 - 09:51 AM

#7

Test the stator.

  • Maxxim1403

Posted March 20, 2009 - 11:28 AM

#8

Will check the stator. Haven't tried that yet.
Thanks





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