Oil Coming Out Of Crankcase Breather Harley

I rode the bike another 1,000 miles or so and now it pushes some oil out the breather vent, I mean a light mist constantly while riding. It is normal for a little bit of oil to come out of the breather but not an excessive amount. It is most likely the oil pump check valve is either bad. Re: oil comming out of crank case breather Originally Posted by gfp55 80 psi seems kinda high, if the oil pressure is too high and the reed valve is only good to 60-65 psi then you will get oil coming out the breather. As it mixes with the oil, the gas/oil mix will rise until above the crankcase breather level. I was also a tad on the over full side. this is on a built motor and just recently got tuned. love the deal. On a stock bike, the primary chain is lubricated by engine oil that is sprayed into the primary by an engine breather. Oil mist is what you should have coming out the breather, not straight oil in a liquid form. The oil level is correct and will leak until no oil is left. I ran my breather filter over the engine and down low and hasn't been an issue. 07 kx250f, just got back from engine rebuild, crank / top / gaskets / etc. 2001 Honda Foreman 400 smoking and oil coming out of exhaust The must be little or no baffle between crankcase ventilation and that hose that attaches to the air. Of course, if your air compressor is factory lubed for life (also known as oil less or oil free) you will not have an oil sump, and have no need of an oil fill tube. If the pc vale is plugged it will cause the crankcase to pressurize and blow oil out the breather hose and dipstick tube. The 'drip' is coming from the crankcase breather. Page 1 of 2 - K301 oil out the breather - posted in Garden Tractor Forum: Got a k301 rebuild and it runs like a champ I had it going for about 30min just driving it around to break it in and see is there was any problems Well after I shut off the motor I noticed oil dripping I took off the air filter and its coming out of the valve breather. 004 for both the intake and exhaust. The pcvalve is to pull the crankcase pressure and fumes into the intake manifold. less than 100mi. Orange Cycle Parts Crankcase Breather Kit for Harley 1999-2017 Big Twin (Except 2017 FXDLS, 2016-2017 Softails and 2008-2017 Dressers) 1. That top breather caused some earlier camshaft failures because the side breather carried a mist of oil over the camshaft area. After some investigation it looks like the oil is escaping from the crankcase breather filter and it's not just a weep. I'm thinking that the breather tube needs to be much taller and more vertical and this will help keep the oil in the crankcase. Since I have had this Yamaha Timberwolf it has had the problem of blowing oil out the breather, Also if I am running it down a road and look back I can smell oil, So I assume its burning it as well, Plug is a light brown in color. I took it off and oil was all the way out to the edges on the gaasket. On the early models the breather vent emptied out over the chain, helped keep it oiled. The only other route the blow-by can take to get out of the crankcase is through the dipstick tube. still pushing oil out of the dip stick. I put a small lawnmower fuel filter on the end of mine and pointed it up so any oil will run back down after the engine is shut off. I just picked up a 93 trail boss 350l 4x4. I would suggest a (stainless if there is) steel wool pad in the breather hose. If earlier engine, it will be the ONLY open large diameter (3/4- 1") hose coming down from the engine. we're doing some trouble shooting on a car that is smoking from the crankcase vent and also the oil cap while the car is running/idle. In a fairly recent case (in my area)with a Yanmar 6LY/315, the crankcase was overfilled (not the engine manufacturer’s fault) and upon using the boat the crank whipped and threw so much oil out the breather tube (which happened to be attached to the inlet of the turbo) that the engine decided that this was all the fuel it needed. When an after market Air cleaner is installed, typically with two plates and a filter, that filtered air connection is lost. since going with my new intake setup, (APC cone with separate breather) i have been experiencing a little oil coming out my breather and it is getting on my pipes, crankcase, etc. Excessive blowby could be forcing pressure down in the crankcase. 8 Liters in it after running the engine for "some time" and draining all oil. If the problem isn't one of the above, it seems likely to me that either blowby is excessive or the breather is faulty (never seen that happen without provocation). If an engine’s breathing system should become blocked or restricted, the crankcase will pressurise causing any one or more of the following problems: The oil/air mix will force its way out through any other convenient exit e. Oh, he means the breather! Yes, I am well aware of the breather, that is where the oil is coming from!! Anyway, this weekend I had a chance to pull the breather off. Quite noticeable ticking after getting it going. Smoke is coming out of the valve cover oil fill hole big time, when the car warms up even more smoke. Everything else internally looked fine too. I have ordered a new gasket. You have to account the wind while riding at different speeds, and also the deflection of the wind around engine components as well. I rev the engine and a mixture of fuel and oil comes spewing out of the breather valve hose. Compression effect of the piston descending in the bore. Then when you start the engine it blows it out the breather. It also seems to be coming out of the valve cover. My point is that if the problem is coming and going it could possibly be a breather issue, I just have no idea what the breathing circuit on an 89 looks like. this had a stock rebuild about 5000 miles ago. If oil is coming out of the breather, I recommend checking the oil level first. The pcvalve is to pull the crankcase pressure and fumes into the intake manifold. They often have older pieces which are no longer trendy. The fitting coming out of the crankcase has one side going to the intake tube and one side going to the PCV valve. That way the oil mist from the breather gets sucked back into the engine. What you need to do, just collect that oil coming from breather into some storage pan and ride the bike untill leaking will stop itself. Air cooled bikes like Harley big twins expand and contract with the heat soaking into the cylinders, much more so than a water cooler bike, or a car. The timed breather gear acts as a one-way valve of sorts. This will result is more oil mist being sprayed out of the breather tube when the compressor is running. Harley air cleaners, hanging off the side of the bike, are considerably more visible than their multi-cylinder counterparts, so any airbox oil that's found its way out is much more noticeable. As Albion said - I had this on an MGB (1. This is a common thing with virtually all seasoned OHV aluminum block engines. how much was the oil pump? how hard to swap out?. Unless you have mistakenly filled the crankcase with gasoline there is no way it should be comeing out the breather hose into the filter assembly. Perhaps having the breather box there keeps the engine running longer when there is blowpack from worn cylinder/rings… as instead of oil spewing out it has to get out through the top tube…. Some bikes havea timed gear driven crankcase vent in them (HD) If it has a vent like that make sure it's timed right Other than those two issues the only other reason to pump oil out vent is excessive crankcase pressure Just gotta see where its coming from P. The amount of additional vacuum from the. Oil flow out of the rocker cover breather hoses should not ordinarily be a problem with the XR1200. The car was ok for a couple of days. If its stuck, just soak it in some gas, and it will free it up. started bike and oil started spewing from the breather tube. This can lead to oil and combustion gasses sneaking past the rings when everything is hot. It appears to be engine oil and upon inspection it seems the only place it could be coming from is the crackcase breather. Those oily vapors are likely collecting in your K&N breather and condensing back to a liquid upon cooling. Make sure the crankcase is not filled with fuel. Oil blowing from the oil tank vent. it could have a bad set of rings. It will be forced out the one-way breather valve, up the breather hose, and into the air cleaner assembly. Tractor sits in the field, no idea what's going on with it. I got it running a few weeks back and noticed then it would start acting up a little. Use 5W-30 Synthetic Small-Engine Oil in small engines found in (not limited to) snowblowers, generators, power washers and other equipment that requires SAE 30 or 5W-30 motor oil, including those made by. The amount of additional vacuum from the. When it comes to breather and overflow tanks, STEF’S doesn’t fall short in selection! Originally designed as external dry sump tank breathers, STEF’S tanks can also be used as crankcase, transmission, and rear-end vent tanks. Putting a Stop to Oil Consumption through the PCV Valve Background Info on the PCV System The PCV is an emissions device that allows the pressure and corrosive gasses in the crankcase to vent, without venting these harmful gasses to the environment. 0 with the 90 degree breather elbow on the valve cover. On a stock. 16 hp briggs and stratton engine pushing oil into crankcase breather tube. Here are some common causes of blow-by and excessive oil consumption and how you can avoid them on your next engine build. The oil may not be coming out of the throttle body. Engine appears to be running fine. Turned out my Exhaust valve was just about shut and was pressurizing my crankcase which blew oil into the breather tube. im using the KMS siphon break but thats not helping. When the motor is started is expells the oil out the crankcase vent line onto the ground. Also all i have done to the bike is put a new npipe on and idle screw on it. The air coming out of the engine will naturally be laden with oil vapor and combustion byproducts because of the inevitable blow-by. UPR Crankcase Breather Oil Cap. After a rebuilt at Volvo dealer earlier this year, a crack appeared in the port engine sump. I discovered it is pumping a large amount of oil from the crankcase breather tube into air box. Of course, if your air compressor is factory lubed for life (also known as oil less or oil free) you will not have an oil sump, and have no need of an oil fill tube. I agree that excessive crankcase pressure my well not be the only cause of oil coming out of the the crankcase breather, but it is certainly sufficient. The oil pump cannot sump the oil out from the bottom end quickly enough which causes it to load up in the top end and flow out the breather. MKL's '98 1200C. Harley Davidson Touring: How to Create Bypass Breathers. But, excessive oil coming out of the breather is quit often caused by a defective breather system and not a defective engine. A certain amount of cylinder pressure will always find its way into the oil pan. if there is oil coming out of the overflow this indicates you have added two much two stroke oil to the tank. 16 hp briggs and stratton engine pushing oil into crankcase breather tube. Oil coming out of Crankcase Breather Hose I carried out the 1200 upgrade on my wife's 883 Sportster, 1997 model. The front intake was leaking oil, so I thought that the oil was coming from there and the fan was blowing it over the motor. Why am I spitting oil out of the crank case breather? Sludge on the injector bodies? Some of you have read my jeep GC build thread with the nissan diesel here is a part of the thread. The epa didn't like oil blowed all over. I will look for a set of new valve covers and see if that helps. Looking back on it, I thought the engine had a miss in it. oil coming out breather hose need help when the bike is runing oil spits out of the crankcase breahter hose. I have read this is due to by pass gas either coming through the piston rings or from a valve guide seal. Hey Terry did you find out why where you leaking oil out the fly wheel my 2010 pro star with a isx is doin the same thing but I put a breather in the inspection hole about 2 months before I noticed blue smoke coming out the exhaust pipe I'm goin to remove the breather I put on it I haven't done it yet but do you have any suggestions. This allows some of the. The engine breather, or crankcase vent as Harley sometimes calls it, is to allow air out of the lower crankcase, but not in, as the pistons rise and fall. The only other route the blow-by can take to get out of the crankcase is through the dipstick tube. 9L 12 & 24 Valve Turbo Diesel Engine. Blow by will increase the amount of oil coming out the breather/PCV line. An oil pump with aluminum components is going to have accelerated wear. my hd motor is pushing a lot of oil out the crankcase breather. Oil leaking from breather k301 I've been getting what I consider to be a lot of oil coming out of my breather. This is typical after a bottom breathing bike sits for a prolonged period of time. A lot of smokey air coming out of the crankcase breather tube. Overfilling the crank case is the most likely cause of your problem. oil line Routing Figure 3 Tank cutaway shows the oil line identification for Stock FXST® type tanks and Ultima® brand FXST® type oil tanks. The air coming out of the engine will naturally be laden with oil vapor and combustion byproducts because of the inevitable blow-by. everytime i park my truck, overnight it leaks a couple drops onto the driveway out of the crank case tube, what could cause this? and how could i fix it? all i can seem to find anywhere is people posting about a huge load of oil comin out, mine is barely anything, but still noticeable when theres black spots all over the driveway, any ideas? thanks. just bought a 90 model softail, been sitting for a few months and the guy I got it from said it was blowing smoke from the crankcase breather hose on idle but ok while riding, got it home put a battery in and cranked it over, nearly fired but noticed a great pool of oil on the ground coming from the crankcase breather hose, was pumping it out from the moment I hit the starter, ol mate told me. Orange Cycle Parts Crankcase Breather Kit for Harley 1999-2017 Big Twin (Except 2017 FXDLS, 2016-2017 Softails and 2008-2017 Dressers) 1. My understanding is if oil is coming out of it then it is because of blow back…. Why? I have drained/replaced engine oil (10w30) and drained replaced pump/compressor oil to right capacities If I replace the breather tube am I likely to fix the problem?. Try running the engine with the oil filler cap off, put a lot of rag over and around the filler because oil will splsh out, but if the oil stops coming out of the dipstick the problem is cankcase pressure not the pump. I have a 86' k10 blazer with a 350 small block and my problem is smoke coming out of the crankcase vent/ PCV vale breather. I don't mind a little bit of oil leaking but this seems like a lot to be coming out of the breather tube. In those that do, the breather tube directs exhaust gases out of the combustion chamber and into a positive crankcase. The problem begins with this oil being blown back into the turbo then into the intercooler and makes it way to the motor that in it's self is ok except the EGR valve feeds some of the exhaust gasses back into the intake usually after the Turbo, this is a pollution control measure, the valve opens when you decelerate to burn off unspent fuel. If there's not a great reason or need for the breather, I might do away with it myself (PCV actively pulls acidic vapors out of the crankcase, whereas a breather just lets the stuff ooze out when pressure builds). In this form you don’t want to pump it back into the engine as it consists of a mixture of oil and water. I gave my breather hose a blow job and a suck job (don't laugh). Buell updated the crankcase seal. Posted: Sun May 24, 2015 1:06 pm Post subject: Farmall H has oil coming out of breather tube After I drive my H for a few minutes and park it, oil drips out of the breather tube. They are pushing air as they go downward, so that air has to go somewhere. The return is also located in the tank, hence only one line (supply) coming out of the tank. This usually shows up as excessive smoke exiting through the crankcase vent. How would this much oil get out of the crankcase vent??. lots, like at least 75 cc or more. Yes, there is a breather gear in the crankcase but that is for the oil return to the oil pump. Whilst on the track during a recent practise day (dirt speedway), a large amount of smoke came out of the crankcase breather filter so I quickly returned to the pits and found that oil had been spat out all over the place. That crankcase pressure forces engine oil past the failing crankcase seal and into the tranny. Re: White Smoke and Oil Emissions From Crank Case Breather on Diesel Engine 02/24/2015 2:35 PM If droplets of oil gets blown out at the breather, the crank case has too much oil in it or compression is leaking past the pistons. if there is oil coming out of the overflow this indicates you have added two much two stroke oil to the tank. I had her running after I replaced the head, and right away there was alot of smoke coming out of the crankcase breather, to the point where it was even coming out the oil filler if you took the cap off. When the truck is hot like when I am towing I will notice a slight oil smell when walking around the truck. Hi, I have put together a 16V G60 engine, it is now running but there is a problem with the crankcase breather system. Air filters through the engine and is mixed with fuel which ignites. Re: Oil coming out the crankcase breather Thats what my first thought was, however the mileage is only 30,000. To see if it is in fact sticky rings will it create more damage if I run the engine to fing out?. The pcv valve is working perfect. I've seen it happen with exhaust gas and worn piston rings where exhaust gasses actually shoot into the crankcase and come out the port. If the air filter is full of oil, it should be replaced. The factory manual does say that oil blowing from either the lower breather or governor housing could be caused by overfilling the crankcase or excessive crankcase pressure. It wasn't just a couple of ounces as in a sumping issue but half the tank was drained out. It also seems to be coming out of the valve cover. I took it back apart this morning and it seems that it's coming out of the breather and dumping out the bottom of the primary. I had a hard time finding the small oil draining hole. Harley Wet Sumping Explained If too much oil is in the sump, the Harley's engine can't pump it all back into the oil tank, so the oil goes out through the crankcase breather and out onto the. That is why the desel engines oil gets dirty looking so soon after a oil change. To keep excess oil from building up in the primary, there is a drain at the bottom of the primary which allows the oil to drain out and down a tube onto the rear chain, thus lubricating it as well. A breather / breather box is a little different. When an after market Air cleaner is installed, typically with two plates and a filter, that filtered air connection is lost. Tecumseh Breather Spitting out oil I've got a 1971 Ariens 910962 blower, with a Tecumseh H70 130076A motor on it that runs well. Sounds like excessive back pressure in the crankcase -- do you have a PCV valve on. As some of you know iv fit an oil catch tank and crank case breather to mu B12 (as below) I went for a blast yesterday and after some very enthusiastic riding home I found oil dripping down the side of the catch tank coming out of where the pipes push on. 8 Liters in it after running the engine for "some time" and draining all oil. That way the oil mist from the breather gets sucked back into the engine. it could have a bad set of rings. How would this much oil get out of the crankcase vent??. but as long as its not spewing out of it, you just want to keep your eye on the oil level. I thought I blew a hydraulic hose until I got off and saw it was engine oil coming out of the crankcase breather. Get shopping advice from experts, friends and the community! troy bilt pressure washer model 020241 oily liquid coming out of breather tube when pressure washing. Because the hot oil in the crankcase is easily displaced by the increased pressure and because it has a perfect path out of the crankcase via the breather, the first sign of impending trouble is nearly always oil migrating into the air filter. One of you guys mentioned to "check the crankcase breather hose to make sure it's not plugged". That’s the kind of difference a new Harley breather kit can make for the efficiency and performance of your Harley-Davidson air intake & fuel systems. Firstly, I need to let you all know that my knowledge about engines is at best, stuff all. I modified the crankcase breather line because of the beneficial effect of not draining oil from the tank into the bottom of the engine, and to keep from blowing oil out of the tank during high rpm engine operation. After running a bush hog for about four hours I shut it down. just bought a 90 model softail, been sitting for a few months and the guy I got it from said it was blowing smoke from the crankcase breather hose on idle but ok while riding, got it home put a battery in and cranked it over, nearly fired but noticed a great pool of oil on the ground coming from the crankcase breather hose, was pumping it out from the moment I hit the starter, ol mate told me. Routing it to the air cleaner sends that oil mist directly into the combustion chambers along with the air/fuel mix from the carburetor (or throttle body),. The fixes on that are the updated breather valves and drilling the drains in the rocker supports. FLH Shovelhead Motor Case Oil Fittings I'm replacing a '77 FLH oil pump and have an issue with the crankcase fittings located directly behind the pump. MKL's '98 1200C. The old school Peanut Tank Cover. I'm thinking that the breather tube needs to be much taller and more vertical and this will help keep the oil in the crankcase. There is the feed side from the oil tank to the engine, and the scavenge side from the crankcase, through the filter, and back to the tank. Problem:- Oil is blowing out of the oil tank breather hose in large quantities (confirmed that this is the source of the leak). I am finding a small amount of oil (black and sooty so I know what it is) coming from the crankcase breather tube. Oil I'm breather box I have a 05 tj with a 2. The volume of oil remains the same, it simply gets circulated. I slow down to 65-ish and light goes off, power resumes but I feel a hot soaking to my right pantleg, reach down and right saddlebag is soaked in oil. How much blow by are you talking take the oil cap off with it running and see how much is coming out of the cap. Whilst on the track during a recent practise day (dirt speedway), a large amount of smoke came out of the crankcase breather filter so I quickly returned to the pits and found that oil had been spat out all over the place. Problem is that is leaking oil like crazy. Two months later I went out to start it and thats when I noticed the oil coming out of the crankcase breather. I believe when they first implemented the umbrella valves they eliminated the timed breather gear. Routing it to the air cleaner sends that oil mist directly into the combustion chambers along with the air/fuel mix from the carburetor (or throttle body),. Some pics below. Firstly, I need to let you all know that my knowledge about engines is at best, stuff all. One common problem that scares the hell of people is wet sumping. In those that do, the breather tube directs exhaust gases out of the combustion chamber and into a positive crankcase. I took it off and oil was all the way out to the edges on the gaasket. I agree that excessive crankcase pressure my well not be the only cause of oil coming out of the the crankcase breather, but it is certainly sufficient. Sands Cycle. 1999 Kawasaki Vulcan 800 Oil Gushing Out Through Air Filter I have a 1999 Kawasaki Vulcan 800 Classic, when I start it up, oil starts pouring out through the air cleaner after a few seconds. If it's bad enough, it will force oil up the tube. this is on a built motor and just recently got tuned. DICK, the leak is coming directly out of the oil pan breather on the passenger side. So if you are blowing oil out of the breatherthose are the most likely causes unless someone WAY overfilled the crankcase with oil after your last oil change. One comes from the oil tank, one goes to the air box and the small one on the bottom goes to the valve cover. The bike is running well with no junk coming out the exhaust followed the tube from the bottom and it's a oil breather tube off the back of the engine. Noticed temp light comes with loss of throttle response. This really sounds like crank case pressure not the oil pump. There's alot of extra horsepower lurking in a correctly tuned crankcase evacuation system without excessive crank pressure or excessive vaccum build up, Jump to Sections of this page. We also list an air/oil separator which has become an essential addition to any crankcase evacuation system. Those oily vapors are likely collecting in your K&N breather and condensing back to a liquid upon cooling. SOURCE: 89 Harley FLTCU oil coming from the crankcase breather tube and. On my New Holland S-14 it has a 14 horse Kohler K321 that loves to spit oil out of the crankcase breather when being worked. If oil is coming out liberally, there may be a worn valve retainer. On a race engine you really want to keep oil of any sort out of the intake - so we use another breather setup. I did something like this on my Harley because there was enough oil mist to soak the air filter and drip on to the chrome lifter covers and chrome cam chest cover. 8 b series petrol). Briggs and Stratton breather reed valve I have a 24 hp briggs that uses a reed valve in the cylinder housing. The reason for this is, even with the standard petroleum based oil, the scavenger side of the oil pump is marginal for the motor. I attached some photos. Gas/Oil In the case and out of the crankcase breather Hey everyone, I got my 2000 deuce about a year ago and it had issues with gas leaking into the case if I didnt shut off the fuel so i figured it was a petcock issue. However, I had a lot done during that rebuild out of pure frustration and fear of being stuck in the middle of nowhere ( 124 cylinders, cam, new oil pump/plate , breather Cap, and yes, somewhere a long the way I started using less oil as well) and the bike runs great 3000 miles post sumping. Why? I have drained/replaced engine oil (10w30) and drained replaced pump/compressor oil to right capacities If I replace the breather tube am I likely to fix the problem?. If the check valve wasn't there, all the oil in the oil tank would flow into the lower end of the engine. How much blow by are you talking take the oil cap off with it running and see how much is coming out of the cap. Also, another mystery solved. The PCV does do what you say. UPR Crankcase Breather Oil Cap. It is designed to drip oil a few drops/minute, and often will do so even when the engine is not running. In a Harley Davidson motorcycle, slobbering oil, also known as oil carryover, is a common problem caused by deteriorated, cracked or improperly attached backplate air filter bolts or tubes. Oil baffles and fiber gauze help control breather oil loss in times of positive crankcase pressure. I want to make sure the oil lines weren't mixed up by the previous owners. I read that the '91 is the only model where that hose clips to the Air Cleaner Housing. In general, some blow by and "smoke" will always be in the crank case. Normally when I pull the black plug a small amount of dirty oil will come out. I am finding a small amount of oil (black and sooty so I know what it is) coming from the crankcase breather tube. the engine ran fine until I had to pull it to replace the starter. It is important that the cam oil splash curtain also be under the valve cover. I recently replaced my cam and after I bolted it back up and started it oil is coming out of the crankcase breather. If the oil over filled, pour some out and recheck the level. This allows air to come in one side and down through the crankcase and up to the PCV. Worn rings on one or more cylinders. Since there's always air-flow out the breather, it'll suck oil from the case walls right along with the air. I have listed them below. Oil spits out of the breather whenever I hold the rpm at 3,000+. Sounds like excessive back pressure in the crankcase -- do you have a PCV valve on. my poor old Honda generator loses a lot of oil through the crankcase vent and then into the oil filter. Another common problem is that the valve cover baffle underneath the pcv gets crudded up and then pcv valve doesn't work effectively, which then allows pressure to build and forces oil vapors into intake area. Re: oil comming out of crank case breather Originally Posted by gfp55 80 psi seems kinda high, if the oil pressure is too high and the reed valve is only good to 60-65 psi then you will get oil coming out the breather. It drips what seems to me to be too much oil. A certain amount of cylinder pressure will always find its way into the oil pan. Got sump replaced last week with new one. If its stuck, just soak it in some gas, and it will free it up. the engine ran fine until I had to pull it to replace the starter. My dealer told me that it's totally normal and everyone complains about it. Oil coming out of the breather tube My Dad has a 1999 model 2500 with the Cummins 24 valve under the hood. The sealing ability of the piston rings can be checked by using a leak-down tester. Check the breather hose. 4) The front and rear crankshaft seals. In the first 10 minutes of the Kodiak sitting and running it looked like the Kodiak dripped about 1/8 of an ounce underneath the bile. Originally the problem of oil coming from the breather was a leftover from the "total loss" oiling system where all of the oil was supposed to drain onto the ground instead of back to the oil tank. The problem begins with this oil being blown back into the turbo then into the intercooler and makes it way to the motor that in it's self is ok except the EGR valve feeds some of the exhaust gasses back into the intake usually after the Turbo, this is a pollution control measure, the valve opens when you decelerate to burn off unspent fuel. It's a characteristic of a dry sump bike with the oil tank mounted higher than the engine (at least on Harleys), learn to live with it. There is the vent on the oil filler tube. Like all modern Harley-Davidson motorcycles, the Wide Glide comes with a halogen headlight, self-canceling turn signals (which should be standard on all motorcycles), maintenance free belt final drive, outstanding hand controls, and a 5 speed gearbox. The only other route the blow-by can take to get out of the crankcase is through the dipstick tube. On my 64 FLH, the crankcase breather seems to have too much blow-by. Blow by will increase the amount of oil coming out the breather/PCV line. If your engine requires ULSD, it will have been built on or after 1/1/07 and will not have one. I did something like this on my Harley because there was enough oil mist to soak the air filter and drip on to the chrome lifter covers and chrome cam chest cover. It's not just an odd drip or two, it's a steady stream. why dose oil come out breather on my harley davidson roadking oil will drain into the bottom end and be blown out the breather on start up. The downside I can imagine is that oil droplets stirred up by the connecting rod will go to the breather tube unhindered. They run a dry sump so the scavenge pump and crank scraper tend to depress crankcase pressure. When the engine is running and I take off the pipe from the breather to turbo inlet I can feel weak pules coming from the crankcase breather but they aren't as powerful as the pulses at the oil filler cap. Sands Steel Cam Chest Breather Valve,for Harley Davidson,by V-twin For Sale Online. Im just not a big fan of more hoses and the crap you have to poor out of the tube every 100 miles!! Crank case breather alternative!!! The new and improved. Tappet housing busted so replaced both housings, cam, oil pump, breather gear, and tappets. The rest of the blow-by (the majority of it, actually) will escape up the turbo oil drain line and force the oil out of the seals. I put clamps on the fuel line last night and changed a tire out on the drivers side rear. Why? I have drained/replaced engine oil (10w30) and drained replaced pump/compressor oil to right capacities If I replace the breather tube am I likely to fix the problem?. It will reduce the crankcase pressure, and yes, you will get a little oil in the intake, but it will just lubricate the valves. Oil flow out of the rocker cover breather hoses should not ordinarily be a problem with the XR1200. My suggestion is to change your oil, because gas coming out of the crankcase breather means your oil is also contaminated. I recently replaced my cam and after I bolted it back up and started it oil is coming out of the crankcase breather. I've also seen a small engine blow oil after it was stored in a very wet location: Water got into the crankcase, which caused the oil to foam upon starting. I asked one of the mechanics to check the engine and he says there is too much oil coming out from the breather of the engine as vapour and if left unchecked, may damage the turbo charger after sometime. 1999 Kawasaki Vulcan 800 Oil Gushing Out Through Air Filter I have a 1999 Kawasaki Vulcan 800 Classic, when I start it up, oil starts pouring out through the air cleaner after a few seconds. For this reason, if you suspect that your crankcase vent filter may be having an issue, have the vehicle serviced by a professional technician, such as one from YourMechanic. im using the KMS siphon break but thats not helping. engine honda EB4000 generator blowing oil out the breather - MyTractorForum. Redirected crankcase breather Post by Rockzilla » Sun May 19, 2013 7:29 am I did this on my truck too because I was sick of oily nasty intercooler boots and blowing them off from boost pressure. The oil pump cannot sump the oil out from the bottom end quickly enough which causes it to load up in the top end and flow out the breather. When this slight vacuum is lost for any reason, the engine goes to a slight pressure and one of the places that oil leaks out is the crankcase breather. The oil misting out the crankcase is just plain killing me at this point. There will always be a little oil in the filter house, coming from the crankcase breather. " I bet if you take and crack open the oil fill cap it would make a mess blowing oil all over too. There is no evidence of oil in the water. Re: White Smoke and Oil Emissions From Crank Case Breather on Diesel Engine 02/24/2015 2:35 PM If droplets of oil gets blown out at the breather, the crank case has too much oil in it or compression is leaking past the pistons. My bike was having problems with blowby, and continued to blow some oil out of that breather tube coming from the rear cylinder (the positive pressure tube). Noticed temp light comes with loss of throttle response. Because the hot oil in the crankcase is easily displaced by the increased pressure and because it has a perfect path out of the crankcase via the breather, the first sign of impending trouble is nearly always oil migrating into the air filter. the hose that comes with it is garbage, but the rest is quality for the price. There is less air coming out of the crankcase tube but it still is pumping oil. leaking a lot of oil through crankcase breather hose that runs from filter to carb A retainer ring on one of the - Harley Davidson 2000 XL 1200 C Sportster question Search Fixya Press enter to search. The oil and vent lines are hooked up correctly and was running fine like this last year. It is most likely the oil pump check valve is either bad. I took my secondary muffler off because someone said I was getting a lot of back pressure. Not sure what bike you have, but as a general rule oil shouldn't come out (except a minuscule amount as vapour) when the bike is new. So if you are blowing oil out of the breatherthose are the most likely causes unless someone WAY overfilled the crankcase with oil after your last oil change. The Bunn Breather Kit (BBK) cuts oil leaks AND reduces engine wear, as it flushes toxic blowby from your crankcase & rockerbox. D&M Custom Cycle, Carb Support Bracket/Breather Kit, $377. If troubleshooting a complaint of excessive oil out of the breather tube, it can be necessary to remove the breather components to clean and remove any lubricating oil buildup before performing any blowby measurements. The engine is in a Cub Cadet 582 and the oil collects in the air cleaner pan. 4 and a 6 speed I was cleaning my IAC valve and throttle body the other day and when I took my air filter out I noticed some oil residue and a little oil pulled up in one corner or the back of the air box. I notice that there is no reed. Try to wipe it off the cap and out of the filler tube and check it again in a few days. I don't know anything about this particular engine. Check it out. 8 out of 5 by 10. If its stuck, just soak it in some gas, and it will free it up. The air coming out of the engine will naturally be laden with oil vapor and combustion byproducts because of the inevitable blow-by. It is coming directly up from the black box on the right side of the bike which I do believe is the oil breather box. Re: Crankcase breather squirting oil Maybe there need to be some screen in the crankcase vent tube to trap the aerated oil from escaping, Not sure on boat engines but the old road draft tubes had as some coarse steel wool like looking stuff packed in the tube adapter off the manifold, it seems like that would stop some of your oil loss, or make an extension with a 45 degree elbow and up so the. its previous owner was an elderly lady who had it from new and didnt know much about cars so did not look after it. The sealing ability of the piston rings can be checked by using a leak-down tester.