y426 or yz400?

4 replies to this topic
  • superjetrider18

Posted August 08, 2013 - 05:33 PM


How can i tell whether my bike is a 426 or 400 without lookin at the vin number, and will a yz426f base and head gasket fit a a 400 or no

  • kemble

Posted August 08, 2013 - 07:19 PM


On the cylinder should be the engine size stamped in. Sitting on bike it would be on your right side.

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  • superjetrider18

Posted August 17, 2013 - 10:06 AM


Does anyone kno if a yz426 base and head gasket will fit a on a yz400

  • jwleonard

Posted August 17, 2013 - 05:52 PM


Both the 400 & 426 part numbers are the same for both the head & cylinder gaskets.


1998 400 -- items 14 & 29


2001 426 -- items13 & 28

  • superjetrider18

Posted September 01, 2013 - 05:04 PM


So a yz426 head gasket will fit on my yz400???

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