05 yz450F Back fire


2 replies to this topic
  • Tcfairlane

Posted August 29, 2009 - 06:08 AM

#1

Okay i have a 05 yz450 as i already stated and it has a full M4 exhaust on it.. Anytime i slow down it back fires alot is this normal? I am new to 4 strokes and just figured i would ask to make sure... I just got this bike a few weeks ago and just want to make sure i am not messing anything up.. Thanks! :ride:

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  • grayracer513

Posted August 29, 2009 - 07:29 AM

#2

Read:

http://www.thumperta...599#post3710599

  • Tcfairlane

Posted August 29, 2009 - 07:41 AM

#3

Read:

http://www.thumperta...599#post3710599


:ride: Thank you





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