Thread: Head breather and Oil leak
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Old 25th September 2019
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cycowrencher cycowrencher is offline
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My root cause for excessive blow by through the head breather was my rear cylinder compression rings had the gaps lined up. I had to replace cylinders and when new rings were installed in the correct x pattern ( top comp at upper left, bottom comp at lower right, top oil at upper right, and bottom oil at lower left) my issue magically disappeared. I think I replaced the umbrellas 6 or 7 times and it was always there...even when I installed the cam chest breather setup...

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