Replacing Chain and Sprockets

7 replies to this topic
  • Regalman

Posted April 06, 2016 - 04:43 AM


So, I have 2009 WR450 and it and the owners manual is at the cabin.  I want to purchase a new chain and sprockets.  I did some searching, but wasn't sure what my gearing, chain size and number of links is stock.  With the mix of riding I do, I'm fine with the stock setup.


Thanks in advance.

  • stevethe

Posted April 06, 2016 - 04:59 AM


Usually you can punch bike type in Rocky Mountain atv and they will get you what fits. But what you should get is a 520 X-ring chain 13 tooth sprocket and a 50 tooth on the rear. Most people just buy a 120 link chain and cut it to fit.

  • Krannie McKranface

Posted April 06, 2016 - 05:47 AM


^ yes if you buy a 120 it's cheaper than getting it cut to fit for you.


Recommended: JT sprockets

                           Sun Sprockets

                           Sunline Sprockets

                           DID VT-2 chain (premium X ring chain) < lasts hundreds of hours....


Skip the aluminum stuff......

  • Regalman

Posted April 06, 2016 - 07:19 AM


Thanks guys.


Just in case I can find one cheap, what is the correct number of links?

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  • WR-Josh

Posted April 06, 2016 - 07:36 AM


114 according to manual  (113+joint)


WR450F 09

  • Arctic Pride

Posted April 06, 2016 - 08:09 AM


your sprocket should be stamped, if you bought the bike used it may have been changed by the PO

  • 2strokeYardSale

Posted April 06, 2016 - 09:36 AM


I just did my 2007 chain and sprockets, 13-50, replaced with 14-50 and 116 link chain.

  • Regalman

Posted April 07, 2016 - 06:37 AM


Thanks everyone.  I did buy my bike new, but it and the manual are 100 miles away from home.


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