426 head pipe bends?

4 replies to this topic
  • racer8

Posted December 18, 2004 - 07:48 PM


Did Yamaha use two different bends on their yz426 head pipes?
I have 2001 and the head pipe seams to really loop out big and then
back around.
Did they change to a shorter tighter looped pipe?

  • blireef

Posted December 19, 2004 - 07:15 AM


Yes, on the first ones you couldn't get to the oil filter without removing the pipe, they changed that so you could. Big Jim

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  • racer8

Posted December 19, 2004 - 07:31 PM


What year was the change done?
Big Al

  • MadDawg

Posted December 19, 2004 - 11:12 PM


The change was done in 2002.

  • toyota_mdt_tech

Posted December 20, 2004 - 02:41 PM


I had a 2001 WR426 and didnt need to remove the pipe to change the filter. But I did buy it used, so maybe somebody already changed the pipe on it :cry:


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