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Wrbiker

oil leak out from my 98 WR top block

3 posts in this topic

i have oil leaking out from the top block, a little hole on the right side.

what is happening? :p

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The small hole in the head is a drain hole for the spark plug well. The first thing I would check is the valve cover gasket to make sure it is sealing correctly and not cracked. While you are there check to make sure your plug is seated correctly and tight.

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