Shock interchangeability

4 replies to this topic
  • Jim813

Posted June 11, 2011 - 03:58 PM


Does anyone know if a 2004 YZ 250 two stroke shock will work on my 2008 YZ450F?

  • grayracer513

Posted June 12, 2011 - 08:39 AM


Not as well as the '08 does. It will fit, but it's shorter, and the internals aren't as good.

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  • KJK_JR

Posted June 12, 2011 - 11:39 AM


Not as well as the '08 does. It will fit, but it's shorter, and the internals aren't as good.

How much shorter? Cause right now I have the shock off my 09 yz450 right next to a shock off a 03 yz125 and they visually appear to be exactly the same measurement.

  • grayracer513

Posted June 12, 2011 - 01:32 PM


My understanding was that the earlier YZ450 shock was a few mm shorter (remember that a change in shock length shows up 3 times as big at the rear wheel.

The earlier shocks have a 2mm smaller shaft, also. The later ones are just better.

  • Jim813

Posted June 13, 2011 - 05:14 AM


I understand it wont perform as well. This shock will just be part of a low budget option to get me riding until I get my suspension back from SPI.

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