What causes oil to blow out of crankcase breather?
Ive had the stock plastic crankcase breather valve shell out and cause excessive oil blowby thru the breather. S&S makes a steel replacement one. Bad umbrella valve issue or valfes replaced with the incorrect sealing space for the umbrella.
What causes a Harley Davidson crankcase breather to leak?
Partially restricted pushrod tubes. Improper oil pump timing. Improper head venting. Excessive blow-by due to worn rings. Also, one other thing that can cause it, if none of the above fixes your problem. Ive had the stock plastic crankcase breather valve shell out and cause excessive oil blowby thru the breather.
When did oil start leaking from Breather vent?
Discussion in ‘ Oil ‘ started by dontask, Aug 16, 2008 . I have a Hearitage Softail CLassic 1991, this year we have not done much riding weather been really rainy.
How do you get oil out of a bike vent?
You can also run the vent lines down to vent out the bottom of the bike and another way is to use a catch can that collects any oil vapors that accumulate as a result of venting instead of gathering in the air cleaner. (You must log in or sign up to reply here.)
What does it mean when your crankcase breather is blowing oil?
If your crankcase breather is passing oil, chances are that something’s wrong (Okay, we know something’s wrong, but don’t be too alarmed). Here are some things to look for while you’re searching for the source of the issue:
Partially restricted pushrod tubes. Improper oil pump timing. Improper head venting. Excessive blow-by due to worn rings. Also, one other thing that can cause it, if none of the above fixes your problem. Ive had the stock plastic crankcase breather valve shell out and cause excessive oil blowby thru the breather.
Discussion in ‘ Oil ‘ started by dontask, Aug 16, 2008 . I have a Hearitage Softail CLassic 1991, this year we have not done much riding weather been really rainy.
You can also run the vent lines down to vent out the bottom of the bike and another way is to use a catch can that collects any oil vapors that accumulate as a result of venting instead of gathering in the air cleaner. (You must log in or sign up to reply here.)