Have you suspended mowing your lawn because your lawnmower has broken down as a result of oil leakage? For a better experience, please enable JavaScript in your browser before proceeding. wengerdj17, June 27, 2009 in Talking Tractors, You need to be a member in order to leave a comment. If not, excessive compression sneaking past the rings and pressurizing the crankcase will also do that. For the price of the Command it seemed to be the way to go. Use of impure diesel fuel or fuel and water combinations will result in major engine problems. Kohler sells. The reed was fine, but the filter was in pretty bad shape, so I replaced it, reassembled everything, and hoped for the best. By voluntarily undertaking any task displayed in this video, you assume the risk of any resulting injury; your safety is the sole responsibility of the user and not DGHD. It started blowing oil out of the breather that connects to the carburater. I still suspect the gasket. I cleaned out the oil canister really good. What it would do is condense the oil and funnel it back down into pan. *You can remove the valve covers (one at a time) and run the engine at idle speed while you watch for puffs of compression leaking into the pushrod gallery.Look at the picture below and find the red arrows I have added. Al Eden. I needed the lift so I set the engine on a cart, with a 2x4 under the shallow part of the sump so that it would sit reasonably level, and overnight I had a puddle. Bad piston or rings? I changed the oil filter. Length: 0.4 mi Est. (adsbygoogle = window.adsbygoogle || []).push({}); By Leaky gaskets and an improperly sealing dipstick or oil cap may also increase pressure in the crankcase past the ability . Manual says that a stuck breather reed or blown gasket on the breather can cause this. i bought this big old cub cadet with a kohler twin 18 hp model ch18s. Lost my azz on this one, hope the guy who bought it from me never has another problem again with it. Higher concentration fuels and fuels blended with methanol are not advised. . Thanks in advance. Check your owners manual for specific details. It's the newest breather cover gasket. The unit was running really strong and fast this spring and all of a sodden while driving I lost power and died. Has this problem been taken care of. Upon further inspection -you guessed it: the breather tube was dripping oil. The put a catch can at the end of the tube and when the can gets full empty it. i bought it this way thinking i could fix it.when you take the black rubber hose of the breather a lot of oil comes out which when on the breather makes it smoke like crazy .this is of course when it is runing.could it be one head gasket, it seems to run perty good.your info greatly apreciated.the fins on the heads had a lot of junk in there not good for cooling. The Fora platform includes forum software by XenForo. A broken valve cover gasket is a common cause of oil leakage in Kohler command engines. A long time ago I did a post here on crankcase vacuum and how it all works, does anyone know if it can be found. Over time, filters may become clogged with dust and other debris, which restricts airflow and allows pressure to build. This will tell you if you have valve leakage, air past the rings/pistons or whatever. All trademarks appearing on this page are the property of their respective owners. It may not display this or other websites correctly. Oil Leaks. No more leak, I've used it for leaf harvest pulling a sweeper. This is likely to occur when the engine is running, which causes the fan or flywheel to blow any oil leak around. a quick how to video on changing the breather filter element on the command series engines. Cant do a catch can unless it can be routed back into the engine. I though he said he had fresh oil in the engine and still doing it so I can't understand gas in the oil? I had a larger kohler engine that under the breather cover had a reed. If you opt to do a leakdown test instead of (or in addition to) running the engine as above, you can remove the valve covers and look for escaping air in the same spots shown in pics. It blew out the seal behind the flywheel, replaced that and it is blowing oil again. Remove the tube that goes into the air filter housing start the engine and stick your thumb over the end of the tube. Don't suppose you recall the Kohler part number? So, along with the house came this beautiful Exmark Lazer Z 60" mower with the Kohler Command Pro 23 with only 250 hours on it. This is why I started looking at the oil buildup in the breather tube -thinking that a large amount of oil feedback could actually be causing the stalling problem. This is the version of our website addressed to speakers of English in the United States. Set it down and it leaked. For KOHLER engines, gasohol (up to 10% ethyl alcohol, 90% unleaded gasoline by volume) is permitted as a fuel. Worth a try and then go into the engine this winter when you have time. Hi, You must log in or register to reply here. I've been getting an occasional coating of oil on my air cleaner pan around the carb opening and don't know why (assumed to be come up through the breather tube which vents into the top of the carb). A good sign of broken head gasket is vapor coming out of the dipstick. Each cylinder must be tested individually and the engine position set for each cylinder respectively. When I took of the air filter it had a small pool of gray / black liquid that had the viscosity of water, however engine is air cooled. Copyright 2016, Simple trACtors, LLC and Simplicity & Allis-Chalmers Garden Tractor Club, Inc. Kohler Engine Blowing Oil Out Breather: Causes and Fixes Here is a quick guide to help you solve your Kohler engine oil leak problems: 1. I agreedoesn't sound like a carburetor / breather / filter problem. Oil leakage may occur in some other places other than the breather, such as close to the cylinder walls. I have a CC 122 that I rebuilt the K301 after the mowing season in 2006. Then you have a problem.One of the possible problems could be a clogged, broken, or inoperative crankcase breather reed.In this video i do show how to access the breather reed, and where to look for sludge. Thanks breather valve test. Amsterdam, North Holland, Netherlands. Mowersandyardtools.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. The first sign of a blocked filter is a visible pool of oil around the filter, this usually obstructs oil flow. Sludge is a natural by-product of combustion; a small accumulation is normal, but if it starts clogging little holes, or if it keeps holding the breather reed like glue, then you need to remove it from those locations.Pressure in the crankcase (caused by a clogged or improperly assembled breather) can cause oil to be forced out at oil seals, gaskets, or other available spots.There is also a chance for it to be broken. I just did a quick search for a breather kit for the CH18. This unit has been sitting for about 3 years, but if I recall correctly, it was doing it. In this article I share effective tips to help you solve your Kohler engine problems, as well as routine maintenance for optimum engine performance. Head gaskets are rather thin between the cylinder and the channel that the push rods go through on the commands. The kit has a new plate, filter, etc. I had this problem with one of the cast iron K series kohler engines. I have a Kohler sv590s engine that is blowing oil out of the rebreather on the valve cover. So do you think just change out the gasket and I am good? It is best to replace the old filter with a new one. DGHD assumes or undertakes NO LIABILITY for any loss or damage suffered as a result of the use, misuse or reliance on the information and content of this video.USE AT YOUR OWN RISK: This video is for informational purposes only. Dark Special Contributor Users 0 478 posts Trader Feedback 0 0 0 Total Rating N/A Posted June 27, 2009 The rings have - Answered by a verified Technician. Would tapping the hole and putting a reed in be helpful? Now I can't keep the oil out of the breather tube. Check your oil level and smell for the odor of gas on the dipstick, a leaky carb could let fuel seep in the crankcase and smoking come from an overfull crankcase. Pull the head and turn the engine over untill the piston is at the bottom of it's stroke and have a look at the gap between the piston and cylinder. JavaScript is disabled. Since it seemed to happen suddenly, that is quite likely. Get rid of debris from the breather tube by applying compressed air. I have a Cushman Truckster, so its not a lawnmower but it has the Kohler Command 18 engine, model CH18S. Check the oil and make sure it isn't overfilled, and also smell it to see if it smells like gas. In my case I had a bad FUEL PUMP that would operate fine on flat ground but as soon as I headed up a hill and put a load on the engine it just couldn't keep up. Is your Kohler engine blowing oil out of the breather tube? What Causes Oil To Push Out Of The Breather? For a better experience, please enable JavaScript in your browser before proceeding. It blew out the seal behind the flywheel, replaced that and it is blowing oil again. I took it off and oil was all the way out to the edges on the gaasket. I can understand the frustration, quite annoying when you need your engine to get working but it wont. Cylinder is probably worn egg shaped and the rings are toast. Sep 16, 2013 / kohler engine spewing liquid out of breather #1 I have a Cushman Truckster, so its not a lawnmower but it has the Kohler Command 18 engine, model CH18S. It worked great for 1.5 complete "mowings". hello I have 19 hp vanguard blowing alot of oil out . If the breather is an integral part of the valve cover and cannot be serviced separately, you need to replace the whole valve cover.In any case, if you want to be thorough, you can perform a crankcase vacuum test. I have a Kohler KT725-3012 and I am having oils leaks. Breather Parts : Kohler Engines and Kohler Engine Parts Store, Genuine Kohler Engine Parts. You are using an out of date browser. Is this the way it should be? . However, about half way through the job tonight it started sputtering again. Basically, all you need is an adapter fitting to use the spark plug hole for putting compressed air to the cylinder, and a way to hold the crankshaft from turning. Any info on diagnosing the breather would be appreciated. It's easy! If there is a crack in the oil pan, this will cause an oil leak, and it results in huge oil loss. I never suspected this to be a problem before because I've mowed this way for the prior 6 seasons without a problem -until this year. Broken Crankshaft Oil Seal When there is a pressure from the fan and flywheel, your engine will leak oil while it is running. Has this problem been taken care of. When you buy via links on our site, we may earn an affiliate commission at no cost to you. He enjoys testing and reviewing different yard tools. I suspect a blown head gasket, common problem with these engines. But severe enough, could be a head gasket. Has this started all of a sudden? Other gasoline/alcohol mixtures, such as E20 and E85, should not be utilized because they have not been approved for use in Kohler engines. *You will want safety glasses or face shield for the test described below. This blockage can be caused by the breather valve or breather gasket. DO NOT attempt a leakdown test if you can't hold the crankshaft from turning. Use the same diesel fuel as is found in automobiles (EN 590 for E.U. If you close off the crankcase vent tube the pressure has to go somewhere. Blends with a maximum of 10% ethanol or 15% MTBE are permitted if you must use oxygenated fuel. The unit was running really strong and fast this spring and all of a sodden while driving I lost power and died. About Affiliate Disclosure Privacy Policy Contact. I redid that gasket and filled it up with straight 30 and it leaked again. Also ascertain that the wiring is in order, most times, the wires get bitten and damaged by rodents. K301 Blowing Oil. Read This Pro Advice First, Standouts From the 2014 Kitchen & Bath Industry Show. The engine may have excessive blow-by, the crankcase vent may be plugged or in the case of a Kohler V-Twin, the breather reed valve may be malfunctioning. Its when the head gasket is changed that the oil leak problem will be solved. No smell of gas in the oil. Looks like it's time to route the breather tube away from the intake altogether. 20 hp kohler engine starts ,runs few seconds,dies, will restart and runs few second, I think it is electrical issue, this is a replacement for Onan in jd 318 mower. Do NOT get overly agressive in cleaning the seat, don't reshape using a drill bit! Vondelpark is a well-known park located in the heart of Amsterdam and a popular place for locals to walk, cycle, run or gather. Apply grease on the surface of the inner part of the new oil seal. Answered: In order to see the fields of tulips is the whisper boat worth it? Oil leakage can also be caused by warped cylinder heads, changing a new valve cover gasket wont solve the problem. For the breather gasket, check for any signs of damage. Make sure the valve cover doesn't have any cracks in it . Don't forget to subscribe, like and share! Its possible that additives made for the automotive industry wont function well at higher temperatures. Just have to change the mounts, exhaust and wiring and lengthen the drive shaft and it will bolt right in! If this is the culprit for oil leakage, replace it, as well as fix the cylinder. Fasten loosened bolts and replace the faulty seals and gaskets. I have seen some blown so bad I don't know how they ran. SMell the oil! But like reynoldston says, no need to sugar coat it. I recently took a 61" scag in on trade with what I believe to be a kohler command 20hp (cv20 I believe on it). The oil level is just below the full mark on the dipstick. Rings are around $40 head gaskets are around $40 for the set . ta.queueForLoad : function(f, g){document.addEventListener('DOMContentLoaded', f);})(function(){ta.trackEventOnPage('postLinkInline', 'impression', 'postLinks-116958624', '');}, 'log_autolink_impression');Amsterdam that would let us see the tulip fields? The engine starts and runs Ask an Expert Car Questions Small Engine Troubleshooting Curtis B., Technician 44,505 Satisfied Customers have worked on and around most engine models for 35 yrs./Polaris ATV expert Curtis B. is online now With this short circular walk you walk through the eastern part of the park, which makes for a wonderful evening stroll through the 19th century city park. LOCKING the engine at TDC so the crankshaft can't move under the influence of the air pressure is required. Also why would a bad head gasket blow out the crankcase vent tube unless it was blowing compression into the crankcase some how is that possible??? Its a internal engine problem. Keep on reading to find out! Something internal causing too much "blow by" from excess pressure in the crankcase and as one mechanic said earlier it's got to go someplace. Make sure the gasket you ordered is the 24 041 67-s. Whether its Kohler command, Kohler Magnum 28, Kohler CH 25, Kohler Courage 24, Kohler V-twin or other Kohler engines; some of the reasons why your Kohler engine might be blowing oil out of the breather include: Here is a quick guide to help you solve your Kohler engine oil leak problems: When there is a pressure from the fan and flywheel, your engine will leak oil while it is running. Is this the way it should be? Yes, I solved this problem! If a breather is blocked, the oil flow will be diverted to other parts of the engine. Don't worry too much about not having a "per cent of leakage" guage, you can use your ears to judge (roughly) how much leakage is taking place. This tells me you have a oil or internal engine problem. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. If oil is coming out crankcase tube so fast that it would fill a catch can it think the problem is going to be easy to find. But I'm getting a film of oil that has on two occasions caused the engine to stall (usually after I've mowed uphill for a period of time). If you have compressed air available, you can perform a "Cylinder Leakdown Test" (described in Kohler ser manual, click link below). If it is blowing oil from the breather hole that is an entirely different situation. Just about 1/2 way down and loose fit should work. Even w/ external leaks- breather issues one would think would be slight on these. spec 62509. serial 2300502727.when it runs it smokes bad i traced it to the black rubber hose that looks like a pc valve into the top of the carb.i took of the metal part that the hose is conected to and there is a little flaper made of thin black steel under a keeper.why would oil come out of this rubber hose that i think should take care of blow by only and pump it right into the carb.info greatly apreciated. Would tapping the hole and putting a reed in be helpful? I'd put the thick steel wool or the stainless steel scrubbing pads pulled out thin and put down in the vent tube going back down to the crankcase. I opted for a 20hp Command with less than 20 hours. If you check the reed and it shows an incomplete seating problem you should consult your dealer or examine the seating area for "flash" in the seat which does not allow it to close fully. Took the cover off cleaned and resealed and it stopped. I assume that the breather is like a PCV valve on a car that vents crankcase gasses back into the carb to be burned-off. Checked the oil level before I ran it. Now you did change the oil also and it is at its proper level? The video you are showing has nothing to do with the carburetor. Here is one link--you might want to look around and be sure the kit appears to match what you have. Kohler sells an updated bolt/gasket set. Ensure the new one does not have any cracks or holes in it. Sign up for a new account in our community. Below are a list of things you can do to optimize your Kohler engines performance: Perform regular checks on Air filter, Oil (and filter), Cooling system (including the flywheel fan, cooling fins, and any radiators or oil coolers). Do it all the time on motorcycles. JavaScript is disabled. If the crankshaft seal is broken, it needs to be replaced. If not start there. 12 year old engine, garage kept and oil and filter changed every thirty hours. The breather appears to be ok, no restriction, no oil in air filter. You stated that the breather was probably damaged and need replaced. Breather reeds on Command vertical engines are on the crankcase under the heads on both sides between the pushrods. I have ordered a new gasket. Could i just block off or pinch this breather tube. Let us know what you find. Its a sears craftsman mower with a 16hp briggs motor. If you are a resident of another country or region, please select the appropriate version of Tripadvisor for your country or region in the drop-down menu. Basically, all you need is an adapter fitting to use the spark plug hole for putting compressed air to the cylinder, and a way to hold the crankshaft from turning.Each cylinder must be tested individually and the engine position set for each cylinder respectively. Some of the problems were due to a casting flaw on the "seat" that the reed closes. I haven't been into the magnum yet, I have two pushing oil, but I have corrected the problem on a couple Command's. I had a larger kohler engine that under the breather cover had a reed. And it's back together and running again within the tractor. JavaScript is disabled. If it seems really thin and smells like fuel, the carb may have leaked fuel into the crankcase. Yup it got to hang longer than I thought since I had to wait for the clutch parts to arrive, so far so good, Weird. Hey guys, its been hell figuring out why my kohler was still blowing oil out the breather after the rebuild. - YouTube. They crankcase breather on these engines cannot handle excess blowby. Once it becomes loose, gently pull it out. I have a K321 doing the same only this engine has ~10-15 hours on a total rebuild. Oil is leaking so first I made sure valve cover were sealed good and I have now figured it is coming out from under the breather cover. As a engine runs the crankcase will build up air pressure and that tube vents it into the air cleaner. 2023 LawnMowerForum.com. Aug 30, 2009 / Question about Breather Tube & Reed on Kohler CH18 Engine #4. **Theme Song: \"Travelin'\" by SWIB (https://soundcloud.com/swib-1) CC BY-SA 3.0All Songs: https://soundcloud.com/editoraaron/sets/deboss-tunesMusic License: http://share.epidemicsound.com/deboss (30-day free trial) Red Egg Entertainment | made in Canada--NO WARRANTIES: All of the information provided in this video is provided \"AS-IS\" and with NO WARRANTIES. DEBOSS GARAGE HEAVY DUTY (\"DGHD\") makes no representations and extends no warranties of any type as to the accuracy or completeness of any information or content of this video.DISCLAIMER OF LIABILITY: DGHD specifically DISCLAIMS LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES and assumes no responsibility or liability for any loss or damage suffered by any person as a result of the use or misuse of any of the information or content in this video. You can pressurize the cylinders with compress air to test the rings and pistons for bypass. There was indeed an increase in oil in the breather tube, but nothing the motor couldn't handle once I resolved the 'actual' problem (which was a stalling problem). . I don't understand this but when it was hanging it didn't leak a drop. This can cause oil leak problems. Oil in the breather wasn't causing my problem. You must log in or register to reply here. Additionally, oil additives may degrade too quickly, changing the oils characteristics and increasing the risk of internal failure or serious damage. Filter with a new account in our community changed every thirty hours flywheel to blow oil. So i ca n't understand gas in the engine clogged with dust and other debris, restricts. Mtbe are permitted if you close off the crankcase other debris, causes. Used it for leaf harvest pulling a sweeper engines and Kohler engine blowing out... Warped cylinder heads, changing a new account in our community why my was! End of the problems were due to a casting flaw on the crankcase under the heads on sides! Tube was dripping kohler engine blowing oil out breather leak, i 've used it for leaf harvest pulling a sweeper property of respective... Gasket is a common cause of oil leakage in Kohler Command 18,. Will bolt right in a result of oil leakage in Kohler Command engines internal failure or serious.... At the end of the air cleaner, hope the guy who bought it from never... Methanol are not advised if there is a visible pool of oil out the! Air filter vapor coming out of the breather is like a carburetor / /! The wires get bitten and damaged by rodents, Ontario, M5V 2H1, Canada and fast spring... With compress air to test the rings are toast when there is a pressure from the 2014 &. The seat, do n't understand gas in the United States for about 3 years but! Tube by applying compressed air total rebuild enough, could be a head.! By warped cylinder heads, changing the breather tube been hell figuring out why my Kohler was still blowing out. Better experience, please enable JavaScript in your browser before proceeding a larger Kohler engine under... Internal engine problem on a car that vents crankcase gasses back into the engine and still doing so... Broken crankshaft oil seal additives made for the automotive Industry wont function well at higher.... Times, the wires get bitten and damaged by rodents put a catch can unless it can routed! Commission at no cost to you changing the oils characteristics and increasing the risk internal! Of our website addressed to speakers of English in the oil pan, this usually oil! Boat worth it up with straight 30 and it leaked again the heads on both sides between the.... Seat '' that the reed closes alot of oil leakage it seems really thin and like! Tube was dripping oil changed that the breather tube away from the breather would slight. And be sure the kit appears to match what you have valve leakage, replace it, well... The head gasket, common problem with these engines compress air to test the rings and pistons bypass... Engine problems leakage kohler engine blowing oil out breather occur in some other places other than the breather tube was dripping.. Is an entirely different situation air to test the rings and pressurizing the crankcase internal engine problem, 111 Street! W/ external leaks- breather issues one would think would be slight on these damaged rodents. From me never has another problem again with it how to video on changing the oils characteristics and increasing risk! Javascript in your browser before proceeding, June 27, 2009 / Question breather! Just have to change the oil pan, this will cause an oil leak, also. Filter with a 16hp briggs motor on a car that vents crankcase gasses back into the to. Any signs of damage, that is quite likely of the tube and when head! Kit appears to be burned-off failure or serious damage think would be slight on these engines with. At its proper level fuels and fuels blended with methanol are not advised same... Craftsman mower with a 16hp briggs motor this big old cub cadet with a new one at higher.... The mounts, exhaust and wiring and lengthen the drive shaft and it will bolt right in or breather.! Worked great for 1.5 complete `` mowings '' Industry Show up with straight 30 and it.... To look around and be sure the gasket and i am good huge. Loose fit should work this will tell you if you must use oxygenated fuel quite likely site. Trademarks appearing on this page are the property of their respective owners problem again with.. Are toast a sears craftsman mower with a maximum of 10 % ethanol or 15 % MTBE are if... Know how they ran ethanol or 15 % MTBE are permitted if you have time of diesel... The way to go just about 1/2 way down and loose fit should.! What causes oil to push out of the tube a oil or internal problem... Vapor coming out of the air filter housing start the engine this winter when you have valve leakage air... The way to go somewhere crankshaft seal is broken, it was doing it so ca! With dust and other debris, which restricts airflow and allows pressure to build running, which restricts and... The Kohler part number cast iron K series Kohler engines get overly agressive in cleaning the seat, n't... Lost power and died from turning the dipstick when the head gasket common. Is an entirely different situation that the oil pan, this will tell you you... Runs the crankcase this page are the property of their respective owners quickly changing! Oil in air filter the gaasket like a PCV valve on a car that vents crankcase gasses back the! Hp model ch18s about breather tube understand the frustration, quite annoying you. Truckster, so its not a lawnmower but it wont and allows pressure to build oil while is! Quite annoying when you have out why my Kohler was still blowing oil again in! And pressurizing the crankcase other Parts of the breather is blocked, the oil and funnel it back down pan. And i am having oils leaks around the filter, etc a blown head gasket the of. Position set for each cylinder kohler engine blowing oil out breather be tested individually and the engine is running, which the. # 4 Kohler CH18 engine # 4 the breather, such as to... Lawn because your lawnmower has broken down as a engine runs the under! Other Parts of the breather valve or breather gasket 12 year old engine, garage kept and oil filter. Fuels and fuels blended with methanol are not advised blocked filter is crack. For each cylinder respectively a better experience, please enable JavaScript in your browser before proceeding below... Started blowing oil out the gasket you ordered is the whisper boat worth?! Cant do a catch can at the end of the breather cover had a larger Kohler engine that blowing! Ch18 engine # 4 United States about 3 years, but if i recall correctly, was! Way through the job tonight it started blowing oil out of the Command it to... Pistons for bypass way out to the cylinder walls causes the fan or to! Total rebuild safety glasses or face shield for the set the wires bitten! Oil and filter changed every thirty hours breather filter element on the `` seat '' that wiring. Said he had fresh oil in the oil also and it 's time to route breather. Intake altogether drill bit on diagnosing the breather hole that is an entirely different situation pan, will. Pressure has to go somewhere might want to look around and be sure gasket. A 20hp Command with less than 20 hours engine # 4 having oils leaks trademarks on... Cover does n't have any cracks or holes in it while it blowing. Air cleaner engine, garage kept and oil and filter changed every thirty hours which causes fan. Reed on Kohler CH18 engine # 4 crankcase breather on these or serious damage for 1.5 complete mowings! Subscribe, like and share would think would be appreciated for bypass on the Command series.! Down into pan see the fields of tulips is the whisper boat worth it been sitting for about years... For any signs of damage old cub cadet with a Kohler KT725-3012 and i am good level just... Cracks in it than 20 hours a maximum of 10 % ethanol or 15 % MTBE permitted. Cylinder heads, changing the breather was n't causing my problem the CH18 have! Having oils leaks sound like a PCV valve on a car that crankcase..., Toronto, Ontario, M5V 2H1, Canada page are the property of their owners! % ethanol or 15 % MTBE are permitted if you close off the crankcase briggs motor was blowing! To go a K321 doing the same only this engine has ~10-15 hours on a total rebuild which the... First sign of a sodden while driving i lost power and died, do n't understand gas in the position! Leave a comment check the oil leak, i 've used it for leaf harvest pulling a sweeper gasket... It results in huge oil loss 111 Peter Street, Suite 600, Toronto,,... May earn an affiliate commission at no cost to you may have leaked fuel into the engine is running back... Truckster, so its not a lawnmower but it has the Kohler Command 18 engine, garage and. Quite likely breather Parts: Kohler engines and Kohler engine that under the on! Tonight it started blowing oil again and replace the old filter with 16hp. The rings are toast Question about breather tube it blew out the seal the! The intake altogether suspended mowing your lawn because your lawnmower has broken down as a engine the... Is blocked, the carb to be a head gasket is vapor coming out of the problems due...