04 EXC 520 replace shock. What years will fit?

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Quote Originally Posted by Folie View Post
There is no such thing as a '04 520. It's 525 from 2003-07. But a 520 will work with 405 mm. Perhaps even better with a shock shortened to 402 or so. The topout spring is not a bad thing as long as you are not too heavy. If you need to run a heavy main spring, it will overly compress the topout spring white setting preload, resulting in an effectively too long shock and your back end riding too high. If you can work with the standard spring rate or one size heavier (like the sx did) the topout spring is nice to have
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