Air filter screen

7 replies to this topic
  • devyz450f

Posted May 17, 2004 - 12:41 PM


As a newbie to the 4 stroke scene, I am hopeful that some of you pillars of knowledge will know if it is really important to keep the metal mesh screen on the airfilter cage. Anyone? Anyone? Beuhler?

  • 426F

Posted May 17, 2004 - 01:23 PM


Only if you do not want you bike to go up in flames. Keep it or buy a flame proof air filter.

  • yathump

Posted May 17, 2004 - 01:50 PM


As said above buy a backfire proof filter, if you decide to do it i believe a yz250 filter cage will match right up instead of trying to cut out the screen.

  • devyz450f

Posted May 18, 2004 - 05:53 AM


Thanks guys----appreciate the tip as a torched YZ is not of much use!



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  • Ga426owner

Posted May 18, 2004 - 10:00 AM


Twin Air has the screenless cage & flameproof filter.

  • Rick_Kienle

Posted May 18, 2004 - 06:53 PM


Yes, the YZ250 or YZ125 aircage will fit and do not have the screen. I do recommend a flame proof filter.

  • Chazlom

Posted May 18, 2004 - 08:23 PM


Yes, I have run the YZ250 cage on my 03 450 for over a year without any problems. :thumbsup:

  • dominator426

Posted May 18, 2004 - 09:24 PM


I've run mine for 5000 miles without screen, regular UNI filter and Maxima synthetic filter oil without any problems whatsoever, so far. The impressive increase in air flow required a switch to a richer needle/MFJ...

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