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Kawirider37

first top end

4 posts in this topic

I'm gonna replace the top end on my 08 yz450f. Can anyone recommend a kit that includes everything? Or maybe give me a detailed list of everything I'll need? I'm looking to stick with stock specs or close to it.

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Thanks, That's what I was looking for. What else should I replace? Cam chain?

Yes I would replace the cam chain, and it isn't a bad idea to get a new cam chain tensioner. Some people also like to replace the valve springs for piece of mind since they are cheap and the head will already be off, but this typically isn't necessary.

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