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[retired pilot]

Purchased a 1999 Whizzer, very low miles. Blows oil out of breather. Every time I ride it oil runs out of the air filter & filter is soaked.
Any ideas ??
Thanks

 

[professor]

I am wondering if the whizzer has a check valve like the old Kohler.

 

[retired pilot]

I don't see a check valve, just a fitting and hose. I'm making a sort of air/oil seporator and will see if that helps.