2008 yz450f valve specs

Does anyone have the valve specs. Im not at home to measure the valves. I looking for the valve stem, head and id of the valve guide. Need both intake and exhaust. Thanks

I need to buy a manual. I have the engine apart right now waiting on a new piston kit. The head i pulled apart and de carbonized. Valve and valve seats look ok. No cupping yet. Will rebuild the head in another 50 hours. Pretty easy engine to work on.

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