WR/YFZ interchangable?

2 replies to this topic
  • Trick188

Posted September 09, 2009 - 11:22 AM


So after searching forever I was wanting to clarify- is the WR motor out of a 2005 WR 450 the same as any YFZ 450 quad motor? I read some conflicting answers. I'm mostly curious about the cylinder/head/piston?? Thanks in advance :busted:

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  • wondermuscle

Posted September 09, 2009 - 03:18 PM


Use the microfiche to check part numbers on both and see if they match. It is a sure fire way to know rather than relying on someone's BS.

Here is a link to get you started

  • Trick188

Posted September 09, 2009 - 09:16 PM


ya but problem there is even if the numbers dont match it doesnt mean they arent interchangable. Like the cylinder head for example. The numbers are different but I think its just because of the decomp plug is rubber in one and cast alum. in the other?


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