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Inside a YZ250F engine.

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Hi, I went riding with a friend of mine yesterday. I had stopped after warming up a couple of laps when I see him coming towards me and I heard a one knock sound and see his rearwheel locking up. Anyway, I got these pics of him today:banghead::smirk: Doesn`t look to good.

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aint that a doosie?

Looks like it smashed into a valve, then the piston got stuck and the rod broke off.

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Doosie?? I don`t know but I think the hole in the piston came from the rod and the piece of the piston smashed the exhaust valve.

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