YZ400 Exhaust header vs' YZ426 header


5 replies to this topic
  • boaz

Posted November 03, 2008 - 05:29 AM

#1

YZ400 Exhaust header vs' YZ426 header:

Would anyone know what is the diffrence between these two?
I think the late 426 alows ezy axsses to the oil filter compare to the 400 that blocks it.
Would someone know?

Thanks

  • maverick_26

Posted November 03, 2008 - 08:37 PM

#2

They are the same. When I had my 98 yz400f my stock head pipe got smashed in and I replaced it with a yz426f head pipe. :worthy:

  • boaz

Posted November 04, 2008 - 02:53 AM

#3

I checked & there is a diffrent part number for 01-02 models compare to 98-00 models. 00 is the year the 426 had the old model on.
Thanks for your replay

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  • matt4x4

Posted November 04, 2008 - 05:23 AM

#4

they will work fine even though the numbers are different.
98 to 03 is interchangeable.

  • grayracer513

Posted November 04, 2008 - 07:23 AM

#5

The shape of the header was changed in '01 to make it easier to get at the oil filter, as you have suggested. Otherwise, they are quite interchangeable.

  • spc mike

Posted November 04, 2008 - 06:07 PM

#6

...heck i have a 450 header on my bike! it just took a little pursuation. i'll get a pic up to show you the clearance of the pipe.





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