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Wet vs dry top end assembly

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Hey, doing a top end on a 2003 400ex. Getting a new cylinder and all. On all the 2 strokes I've rebuilt I've oiled the cylinder but I was reading on a 4 stroke page that most people assembly the top end dry to ensure that the rings seat. Which method should I use? Wet or dry? Also, how should I break it in? Thanks in advance

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split the difference. Lube one side of the piston and then other other side of the cylinder wall. 🙂

I assemble a two stroke dry except for the wrist pin bearing.

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