Harley pouring oil out of air cleaner. The engine ...
- Harley pouring oil out of air cleaner. The engine had been rebuilt after a cam bearing Ok, I am finding oil under the air cleaner on the engine. At first i thought it was my primary, fixed every seal in it still oil. But something isn’t breathing properly and/or circulating like it should. Harley isn't using the best quality Fasteners and the screws and bolts will easily cross thread and/or strip out the screw head or the threads themselves. Oil blows out of the air filter area and splatters on the pipes, right saddle bag, drips down on the area below the air filter, and just generally makes a mess. Awhile back I pulled I replaced my screaming eagle air cleaner and noticed there was oil that seems to be coming from the engine and depositing in the air cleaner. It has done this before a time or two after the bike had been sitting for a long time. My question is This is my first posting so i dont quite know how it works. I have a '05 FLST that has oil coming out of the air cleaner and going all over the rear of my bike. For two reasons 1: hot oil drains out quicker and 2: the oil is mostly scavanged into the tank when hot so less sitting in the crankcase making it less likely to be overfilled. It seems like when I am under load going up the hills it looses some power. The issue is oil is dripping from the air cleaner. 1984 Wideglide shovel head. Jun 28, 2009 · Basically, small drops of oil are being blown through the little air holes near the mounting bolts into the inside of my air filter. I did have an older thread from Schmidty telling me to re-route the hose back to oil tank, but make sure nipple was high on oil tank so it would function So it starting to blow oil out of the air cleaner and getting worse almost every time I ride it bike has 13,000 miles on it already blown motor up once on the second motor, The first motor blew up at 2600 miles and Harley Warranted it. When the crankcases over fill they spit the oil out through the air filter. 7K subscribers Subscribe When banking over in a turn the oil can plug the vent hole long enough for the engine crankcases to over fill with oil. After a while, the oil accumulates and sprays when the bike is in motion to the rear of the air cleaner cover. The residual oil eventually saturates the bottom of the air filter and leaks. I'm in Milwaukee on my '06 CUSE. Any suggestions. mechanic cleaned it up, took a bit of oil out, and said monitor. The best fix IMO, is to install a catch can to vent the oil into. It started at the end of a three week 7,000 mile trip last August. The lower portion of the filter was wet, it looked like a KN filter after you oil it. The oil filter has been replaced and I eliminated the oil cooler with the same result. Long story short, I had to get an engine rebuild and it is still spitting oil. True, the bike runs best on clean, cool air, but any fuel mixture setup (carbs or f. 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. I have had many other trips with same tempuratures and lenghts but only 2 times has it done this. I've heard everything from I need a oil pump alignment or re vent the hose to the back plate of the air filter My 03 Road Glide on 2 trips has burped about a quart of oil out the air cleaner. More above 75 to 80mph. Hey all, I'm not a Harley guy I'm helping my bro who is not able to work on his bike anymore because of health reasons. It's super easy to install, it added tons of power and a really cool sound from the intake sucking air. In majority of HD models the problem is similiar - here on 883 Iron example. Thanks. after the first oil change at 1000 miles it started leaking oil from the air filter area, onto the motor and blows back onto saddlebags. I've got an '03 Harley Sportster 1200 that I've been running Amsoil V-Twin oil in and using Amsoil Superduty oil filters and I've had the common problem of oil blowing out of the air cleaner (small amounts, just enough to make a mess). By addressing these issues promptly and implementing preventive measures, you can ensure that your Harley runs smoothly and efficiently for miles to come. Bike has sat for around 5 years due to moving to another state. ) should have some heat/mixture regulator that anticipates the gases from beyond the air cleaner. What is causing this to happen & how do I fix it? Engine Mechanical Topics - Oil in bottom of air filter - I'm a new Harley owner and it's also my first bike. What is going on here and is it an easy fix? I have an ‘06 Deluxe, took it down to the car wash to clean it up & when I got there had a steady stream of oil coming out of the air breather. I'm questioning their analysis for the The oil level is right with the bike upright checked hot level just below filler spout,always run the engine upto hot before changing the oil. We figured something catastrophic had happened to his engine so we called for a tow. Nov 17, 2021 · When I was running the bike I noticed oil being pushed out of the rocker cover gaskets. The only engine modification is a stage one air cleaner (K&N). Had to change all the oil lines and this dam part came out with the cover plate. I am thinking maybe some engine blow off of excessive oil. Is this common with the evo? Precision Harley Davidson performance parts. So far I have looked at dipsticks, air breather bypasses and now oil pump/cam chest upgrades. They have come back and said oil is getting into the cylinder so I need new pistons and rings. Take extreme Caution removing your old Air Cleaner and Re-Installing this one. This article will provide an in-depth analysis of the possible causes, solutions, and preventive measures for your Harley that’s If you fill it to the full mark when cold, you can have " oil carry over", which is oil coming out the breathers and it usually will drip off the bottom of the air cleaner. The problem is that the head vent tubes are blowing oil into the air cleaner. If your gonna replace the stock air box always run a seperate breather line up over the frame and down the back tube to exit down by the bottom of the frame with its own filter. Stage 1, all three are blowing oil out of the Air cleaner. Would love to hear what i have 03 883 sportster punched out to a 1200. Made myself an external breather kit and solved the issue. Also I don't have the oil coming out of the air cleaner when I am just riding on flat ground not going up hills and putting the motor under extra load. It was clean when I arrived up here, but in the last day or two the oil problem has shown up. It was getting worse so I took it to HD. It mixes with the air and fuel in the TB and is burned. I have a 2017 road glide with a s&s 124 big bore kit 550g cam s&s sidewinder exhaust feuling injecter 5. It appears to be coming out of the blow-by hose below the throttle body. The vacuum from the air cleaner area pulls that oil saturated air out. How do I get it back in with out damaging anything. 1 trip was at about 250 miles into it the other was about 90. It's splattered the whole right side of the bike. Was in mint condition before It was put in storage. I've had three or four bikes with this issue. A bit of oil coming out the Upon starting the bike, oil started puking out what appears to be the breather to the air cleaner (it does have a Screamin' Eagle air cleaner and a Screamin' Eagle intake manifold, both installed 20-25 years ago). Mentioned it on a sportster facebook page, and someone said to check for oil on the bottom and behind the air cleaner. Harley Davidson air cleaner LEAKING OIL Gilstrap Garage 15. I’m a newbie to these motors and troubleshooting them. Hello, I'm new here and have a question about my 2000 Road King Classic. It meant survival. looking to find some sort of solution that will work. Can someone help me out here, I cant do a search with the word oil since the admin has search words limited to 4 letters and up so my searchs are fruitless. It explains why you had oil pumping out if your air cleaner assembly. It got worse from a small amount of oil to an almost steady flow. have had head gaskets umbrela gaskets replaced and added an oil blow by line. any ideas? I've searched but didn't see anything on this issue. I took it to the dealership four times and through consultation with the Motor Company they drilled holes in the backing plate and did some other things but the problem persisted. Help Hi All, After only a short ride, when I get where I'm going I stop to see that oil is literally pouring from my air filter. I've been happy with the quality of Amsoil products thus Look into the oil tank and see if oil is returning to the tank when the engine is running. i. 5. Sure enough there was oil, as well as a small amount I think the "overflow tube" you are seeing oil come out of may actually be the crankcase breather hose. Started the bike up and oil was leaking everywhere out of the breather vaulve. I don't know about other riders but I am tired of hearing it s what it is from dealers on the oil in my air cleaner. Edit: btw oil isn’t coming out of intake, rather from breather/banjo bolts and the poorly designed plates makes it so the oil will go at the bottom of the air filter instead of it going into the air intake and burned into the cylinders. I have a new Harley EVO Engine with a S & S Carbruator. Took it to a local shop they couldn't fix it. I went on a 150 mile ride and in the middle of the ride i decided to fill up and noticed oil leaking from the stock air filter cover. on my test run is Understanding the causes of oil leakage from your Harley’s air filter is essential for maintaining optimal engine performance and preventing costly repairs. still getting oil leeking out air filter any ideas how to solve this issue To meet EPA requirements Harley tries to redirect oil back into the engine via little holes in your air cleaner bolts and back into the intake to burn off. If this is the hose you are talking about, what you are seeing is fairly normal. Harleys have excess crank pressure and to help alleviate that and to maintain epa compliance they run the blowby through the air cleaner and send the excess oil back into the combustion chamber to be burned off. But to Sarah, that harsh fluorescent lighting pouring out of the glass storefront looked like heaven. The crank case vent tube in the air cleaner is shooting a stream of oil when I turn it over, not even running. Oct 27, 2017 · Excessive amount of oil blow by saturating the air cleaner and dripping onto the rear header and saddlebag. I have been checking the oil level and all is normal. I started the bike over the weekend and had a frikin gusher of engine oil running out of my air cleaner. if it persists, he said he may have to remove rockers and check Journey into the perplexing world of oil leaks from your Harley Davidson air filter and unveil the surprising revelations that await. From the factory, this hose went into the air cleaner, but a lot of people re-routed them to the bottom of the frame when upgrading the carb and air cleaner. Introduction Oil coming out of your air filter on a motorcycle can indicate several different issues, such as a dirty air filter, a worn-out air filter, or even a leaking Check and clean your air cleaner regularly, as a clogged air cleaner can cause undue pressure, leading to oil breather issues. It has something to do with the small oil return holes in the heads, and the breathers that provide venting back into the intake. It's his 90's Evo 1500 cc engine that's acting up. I removed the air cleaner and re-started the bike to find oil blowing out of the breather hose about 3 feet! Any ideas? I can only imagine extreme crankcase pressure as the cause i have a 97 softail heritage that is leaking oil through the air cleaner. If the oil lines connected to the filter adapter are reversed, and you use a filter with an anti drainback valve, the oil will not pass through the filter, it will just accumulate in the crankcase and then blow out the breather. I have a 2011 road glide ultra 103, with 6,000 miles on it. There are three of us with 2011 - 103's all three have the same issue and equipment. Get the most out of your Harley Davidson motorcycle with high performance machined parts from Feuling Parts, the leader in racing parts for Harley Davidson motorcyles and engines. Does anyone I have a problem with oil coming out of my air cleaner after rideing in the mountians. I just purchased a 2019 HD sportster iron 883 that has 12000. Oil tank is I have a 02 Heritage Softail,Twincam88 , carberated, it has about 13,000 on it . I think I know what it might be, but could use some second opinions. I have fuel injection and have oil coming out of the air filter housing. I was super careful to install the gaskets correctly and cleaned the surfaces very well. I've started noticing oil leaking out the air filter , only at higher speeds. Hey guy I just bought a 2012 street bob and noticed its leaking oil out of the air cleaner. I didn’t know what to do so i just wiped it This week Doc compares an oil bucket with your Harley-Davidson Air Cleaner While adjusting the carb a small amount of putty looking stuff started leaking out. That might explain the problems some have asked about on the forum. Been trying to figure out this issue for a couple weeks now. considered camshaft seal up until i figured id put new lines on my air cleaner and make sure everything is nice and tight there. Not alot, notice it after a long ride. Taking care of your bike is important, and this fix can keep it running smoothly. Now, within 5-10 seconds of starting, it is flowing out the breather. Harley Oil Breather problems have become a prevalent issue for many motorbike enthusiasts globally, impacting the motorcycle’s performance and longevity. I'm assuming that this is a similar set up as a cars pcv. Mar 15, 2015 · He pulled over to the side of the road and looking it over there was oil almost pouring from the air cleaner. All three have K & N - but also did this One such common issue among Harley owners is the oil pouring out from the crankcase breather. Check out the article, Understanding Blowby in Motorcycle Engines, from MotorcycleCruiser. Which is a half assed solution cause in practice it just spits it all over your filter and leaks anyway. com. I have a 2008 Ultra Classic. A friends pure stock s2005 Ultra blew a lot of oil out of the air filter. . :biker: I rode over to have my oil cooler clamps checked on the recall, and the techs noticed oil on engine, rear pipe and right saddlebags coming out of the air cleaner. The bike is a 2016 slim with 5,000 miles and a stock My issue is basically oil puking out of the air filter, enough to coat the side of the bike and my leg. Over filling would do the same thing. Hi I have a 2015 RGS w/ approx 40k miles and have had oil coming out of my air cleaner for the past couple of years. I have asked 3 dealers about it and Most common cause of the leak around air cleaner/filter box, mostly on rear cylinder. Need help! Good day everybody! I have an interesting one for you. My uncles twin cam bagger is blowing oil out the air cleaner, I have seen some stuff on google, but nothing definitive about why this is I attribute it to the breather bolts venting oil blowby into the throttle body for cleaner emissions. Doc Harley from the Service Clinic at Low Country Harley-Davidson to help you with the health of your motorcycle! This week he talks about modifying your air cleaner to get the air breather oil out. At around 15K the motor started spewing oil out of the right or forward breather tube of the air cleaner. It was a standard, rundown American gas station—the kind that smelled of old motor oil, stale hot dog grease, and cheap floor cleaner. Was checking the air filter and found oil in the bottom of the intake. It’s vital to replace your oil filter as scheduled and monitor your oil levels carefully; overfilling can cause oil to be forced out through the breather. So last night after riding home, I noticed a very small amount of oil on the right side of the bike (02 883 sportster). It meant heat. If you’re dealing with oil coming out of the crankcase breather on your Harley, you’ve come to the right place. After riding with the new air cleaner I pulled it off again to check and there is oil depositing in the back plate of the new cleaner. Some shops say use no oil at all on a K&N air filter because it gets oiled as you ride. Try running a little less oil and cleaning filter often and using very little oil on filter after cleaning. After I had my local Harley dealer put this kit on ive been having oil leaking all over on short and long rides any ideas or way to fix this problem and Harley just said it just the Harley-Davidson Twin Cam Leaking Oil From Air Filter! Watch us talk and go through the process of elimination to find out why this motorcycle is leaking oil out of the air cleaner. The oil level in the bike is slightly below I never like the aftermarket companies for air cleaners when they breathe the oil back into the cleaner to the carb. This was just before a big road trip and the dealer tried to pass it off as normal, the result of idling too long on the jiffy stand or a long high speed run on the freeway. Jul 17, 2025 · Fixing the Harley Davidson oil mist in your air cleaner is easier than you might think. epauir, pf1e, yn67ml, jep4, d8kzi4, 8zz0, cvv7sm, 6zxz0, phjy, 97itni,