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Discussion Starter #1
Hi everyone my motorcycle is leaking engine oil from the vent in large quantities. The bike does not smoke, runs well and there are no drops in performance. I have done a complete oil change and put in the right amount of oil but it continues to drive until it almost empties.
 

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Sounds like inner seal failed allowing oil migration, not uncommon on 08's with the split oil design.
 

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Discussion Starter #5
I removed the right crankcase half to check ... am I wrong or the shaft oil seal is mounted upside down?

98912
 
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