What causes oil to leak from Breather vent on Harley Davidson?
I spoke to “He who knows all” and he said it sounded to him like a sheared oil pump key. He also explained that if that key is sheared, it is caused by a more serious problem such as a scavenger gear bearing failure. Good luck.
How does a Harley Davidson Top breathing engine work?
Top breathing engines breath, or vent, through the top breather bolts which are threaded into the heads of a Harley Davidson motor. The air inside a motor is saturated with oil. It exits through the breather bolts and into the air box where the air is filtered and the oil is captured in the air filter.
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.
Can a venting bolt on a Harley be used?
The venting bolts do not do the job on bigger motors especially on longer sustained speed rides.
I spoke to “He who knows all” and he said it sounded to him like a sheared oil pump key. He also explained that if that key is sheared, it is caused by a more serious problem such as a scavenger gear bearing failure. Good luck.
Are there any Harley crankcase breather left in stock?
Only 11 left in stock – order soon. . Only 3 left in stock – order soon. . . Only 6 left in stock – order soon. . . Only 1 left in stock – order soon.
Is it possible to run a breather filter on a V-twin?
You do want to run a breather filter on it though to prevent any dirt or water in it and it would be impossible for it to go up the hose The water in the collection can is not water from the oil in the engine, it is water that has condensed into the oil while it was in the can.
When to use the bottle on the breather hose?
Use the bottle on your breather hose at first start up, it may not do it every year depends on where the engine stops and how long it sits. Also yours is the last year of that style oil pump and breather system. I need some HELP.
Why is oil dripping from my Harley air cleaner?
Same problem on a 2012 ultra.tried running low oil didn’t work just junk harley internal parts. Don’t blow out with compressed air! You will ruin the element. Shake the filter and them let it air dry. Phooey… As long as it’s not high pressure, keep it to 10-15 psi, it’s fine.
What kind of air cleaner does a Harley Davidson breather use?
Some of the more expensive high flow air cleaner assemblies are as effective as the stock units at controlling the blow by and allowing higher air flow at the same time . All HD engines with breather heads have blow by .
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.
Why is oil venting on my Harley Davidson?
Epic false. Your pipes and jetting have as much to do with oil venting as your tire pressure is to your charging system. There’s multiple reasons an Evo will vent oil, but your pipes and jetting aren’t any of them.
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.