When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I have read on here for awhile and am trying to find some solutions for this problem. I have read some other posts about the Harley Evo motors and know that this top breather leak is a problem but this is a little different case.
I have acquired a custom chopper that just came out of the shop a couple weeks ago. The 2 shops that did the work to it are not the greatest shops but it was not my choice.
I have an Ultima 113ci from 2006. It has only been run for a few hours but it is shooting oil out of the top breather behind the air breather. As I said before, I know this is a EVO thing with these top breathers but I am not sure why it is doing this as a brand new motor.
Here are my thoughts and I will be doing some checking this weekend:
1) They filled the oil too high after install and it is pumping out the excess
2) They installed the oil pump incorrectly
Does anyone have any ideas or at least a place I should start besides checking the oil level and seeing if they just overfilled it?
So you think I should drain out all the oil in there right now and refill it with 3 qts? Can I check it and figure out how much is in there by the fill line on dip stick?
Is that a normal thing that happens when people install a crate engine? Do they overfill the tank and would that cause the excess to come out of the breathers?
Pretty easy to check if it is an oil overfill problem. Warm up the motor good, get the bike upright, pull the dip stick, and check. If it is to the top of the stick, it could very well be the problem. Use a turkey baster or something to remove enough oil to get it about half way down on the stick, and try it there. It may still pump oil out for a while until it cleans out the bottom end. You might also want to make sure your pump is scavanging the oil back to the tank. If you pull the dip stick while it is running, you should see oil coming back to the tank.
I have an older Evo that had the same problem. It had a hypercharger on it when i got it with no puke tubes off of it. Sounds like your going to check the oil already but depending on the type of breater and if the engine has had alot of work done to it, it will push oil out the breather (trust me). You may want to invest in some banjo bolts. These are hollow bolts that hold the air cleaner on and screw in to the head. They have places on them where a hose can be placed on them to catch blow by oil. You can route the hoses down to the ground or bring them together and put a little filter on it. Thats what I did. Now it hardly leaks at all but it is a Harley.
7 Surprising Harley-Davidson Products that Are Not Motorcycles
Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.
Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?
Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.
Engraved Rebellion: Inside Bundnerbike's Glam Rock II
Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.
Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.