2008 wr450f steering stem nut.

I am trying to remove the upper triple clamp and do not know what size socket I need for the steering stem nut. Some have said that it is a 30mm, but this is still too small. Any help?

Just get out your adjustable wrench.

I'm gonna guess a 32

I just checked and it's a 32mm.  I had a extra nut still in the plastic for my YZ with part number and it matches the one for your bike. Part # 90170-24003-00

Sweet. Thank you!

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