2008 yz spring

6 replies to this topic

Posted July 17, 2011 - 07:09 PM


Hey guys I have a spring from a 2008 yz450 it's supposed to be oem 5.5 it has two pink dots can you check your manuals And tell me what rate thAt is.thanks alot

  • grayracer513

Posted July 17, 2011 - 08:11 PM


The pink ID marks indicate it's a 5.5 kg/mm


Posted July 18, 2011 - 05:56 AM



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Posted July 18, 2011 - 06:36 PM


One more question. Upon further research my spring has two pink dots which makes it a progressive rate spring. I thought the 08 came with straight rate ti spring

  • grayracer513

Posted July 18, 2011 - 06:43 PM


Is it wound straight, or progressively? You can tell by looking at it.

If it's Ti, a magnet won't stick.


Posted July 19, 2011 - 06:01 AM


It looks wound straight that's what is throwing me off. I'll do the mag test tonight.

  • grayracer513

Posted July 19, 2011 - 07:22 AM


If it's straight rate wound (coil spacing is the same over the length of the spring), and it is marked with pink, that should be a 5.5.

Starting with '06, the rear springs were titanium. In either '08 or '09, they switched back to steel, as I recall, and I can't remember which year that was.

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