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[gabe]

i have a 2009 fatbob cvo and a 2009 ultra with a 110 both bikes leak oil from air cleaner 1 bike cvo engine other build 110 both doing the same  help

[Wheelsnkeels]

Most common cause is oil level overfull The crankase vents into the aircleaner when filled on the center stand it should be half to 3/4 of the high mark. Higher than this cause oil to be expelled through the vents. Especially with agressive riding?

[gabe]

thanks gabe

[boerne free bird]

I added some oil to my bike yesterday during a road trip then rode hard back home. I got too close to the full mark and had blow through for the first half of the trip. It stopped after the oil level "corrected itself". This never happens when I keep the level at the mid-point or lower.

[nudels2u75]

I had the same problems for several thousand miles....It was due to the pins that go into the throttle body---not only did the pins have a really bad connections---dealership had re-pinned it several different times----later it was determined the wireing harness was deterioating----