You must log in or register to reply here. Prob find your problem lies there. Below, we look at some common Bad Boy . Replaced spark plug, air filter, still won't start (needed it anyhow) Prime or no prime, similar behavior. If you have less than a full tank, the air space in the fuel tank will allow more oxygen to enter the fuel system. Take lawn mower blades, for example. Examine the air filter under sufficient light. This was the repairthat scared me because of the amount of dis-assembly. Another cause for excessive vibration during the operation of a mower is that the crankshaft is bent. I replaced the flywheel key because it got broken when it hit the pipe. Another potential error comes from the oil fill hose or seal, which can potentially leak if a sharp object flies into it. 4. Turn the lawn mower upright and fill the crankcase with oil as recommended by the manufacturer. Ensure that all the belts are properly aligned - check for wear and tear after 2, 4 and 8 hours. - Hi everyone, I hit a stump with this mower, blade is bent on one side and I couldn't pull the starter rope afterwards. My gut instinct is that you will probably be shopping for a new mower. A variety of components typically covers the ring seal. So if you see any signs that your mower has been running into something, it's best to call a professional. If you need to replace a dipstick tube or seal, its a matter of finding an identical oil tube and removing the two top covers for the gasoline tank and the lawnmower. I would definitely not use the lawnmower if it isnt running or sounding right. DONT HIT TREE STUMPS WHILE YOU CUT THE GRASS. If the top of the deck has no leak then it is just leaking from the bottom seal. JavaScript is disabled. I thought taking the lawnmower apart to get to the flywheel assembly was going to be difficult, but it was actually relatively easy. Also, if your lawn mower doesnt have a sacrificial flywheel key, there could be other damage that has been done to the motor. Im worried that if I keep using it Ill ruin it, but taking it to an electric motor repair shop might be costly, and it will put me out of commission at the wrong time of year. need a new one), if it still causes problems, then the port on the notebook needs to be replaced. But, continuous blackening of your vehicles Motorcraft should be concerning for safety reasons and may indicate roughhousing with other cars or trucks near yours as well! If you found that your oil is leaking regardless, it may be related to some bad habits. These are the potential causes: Blown head gasket Excessive oil usage Engine Oil rings The Lawnmower was Tilted or used at an angle Crankcase leaks Some smoke from a lawnmower is not uncommon, particularly if it is older. So any disasters that don't occur until past their due date have saved many lives. Some manufacturers recommend placing the mower on its side with the carburetor uppermost. But preventative maintenance goes a long way to keep your lawn mower in good shape! I would remove the flywheel and recheck the key, on the photo it looks a little off to me, if that's ok then there maybe some damage inside the engine, from reading your lines seems if timing is out.! . Total cost of my repairs was $30, but that included a brand new blade, 2 replacement housing screws for the ones that literally got shaken off the mower, a pack of 3 flywheel keys, and a new 15/16 socket. Step 2 Remove the inlet needle and seat Family Handyman Ways to Avoid Smoke and Overcome the Impact: Steps to Install The Fuel Pressure Regulator: How to Avoid White Smoke and Leaking Oil: Ways to Avoid Grey Lawn Mower Smoking and Leaking Oil From Exhaust: The engine suffers a low air to fuel ratio. Not only is it annoying, it can be a serious problem and its important to get it fixed soon. Check to see exactly where oil is originating. Most of this should be solved by comparing serial numbers. My 14 year old 6.0 HP Briggs & Stratton lawn mower stopped working in the middle of mowing a few days ago. I was in and out in about a minute and a half. Smoke from the exhaust has different colors depending upon the various reasons and causes; it might be black, white, or grey smoke. Mowing at steep angles can also cause the same issues for the same reasons. Comment *document.getElementById("comment").setAttribute( "id", "aa98b3c441f6f05c7c4c8e42c27be255" );document.getElementById("eb2e5d3a32").setAttribute( "id", "comment" ); I may also earn commissions from purchases made through other links on this website. Following the lawn mower safety instructions in your manual is essential. . Since your pto is not electric it has a idler pulley that is pulled when you put the lever down into mow and it pulls the belt tight to turn and just opp for when you take it out of mow. I need help with this too. The second is that the . Always check on the side of the bottle before assuming that something will work. Free-wheeling lever is engaged. Always be sure that the carburetor is facing upwards. Lawnmowers are one of the most essential tools in a homeowner's arsenal. We want your property (whether new or old) to look its best at all times. If you've been using your lawn mower blades for a while, they might be getting dull. I tried doing those things while rocking the mower to try to dislodge it. If the rock in your lawn is a big one that you cant move, there are still ways to trim the grass around it. Following these simple steps can keep your lawn mower running smoothly for years. Eliminate the upper intake manifold adjustment. I found two outstanding videos on YouTube that walk through the process making it less intimidating. When your lawn mower leaks oil onto your deck, you can overwhelm yourself quickly, thinking of all the potential places that could be leaking. White or blue smoke may indicate an oil spill on the engine. Get up and move around, drink some water, and give your eyes a break from looking at the same thing in the same spot. Again, if they are soiled you'll need to clean the carburetor and replace the air filter. A damaged upper bearing ring seal will cause oil to leak from the top of the crankcase while the engine is running. Place a measure under the blades tips and see if the tips pass around at the exact same height. The Best Way to Dig Up Large Rocks in Yard, Breaking Landscaping Rocks to Edge a Flower Bed, How to Get Hard-Water Lime off a Rock Fountain, How to Lube Rocker Recliner Chair Springs, Jacks Small Engines: Mower Blades vs. By now we have repaired thousands of lawn mowers. In order to confirm that you have a bent blade, you'll need to take the deck off and inspect it. The seam will usually be within the bottom third of the crankcase or diagonally through the crankcase from back to front. It leads to loss of power and performance of the mower. While Ethanol does have some benefits, it also has many cons, such as its ability to attract and hold water molecules. If the grass is tall, adjust the cutting height accordingly. Sure, you could try to whack it straight again. Sort by manufacturer, model, year, price, location, and more. While checking your lawnmower, look around for any potential holes that may have come from an errant rock. A lot of John Deere mowers use cotter pins to secure the deck. This DOES NOT mean that the shaft can't bend, it does in RARE cases. You'll also want to clean the engine cooling fins and mower deck. The flywheel key fits in those notches locking the two parts together. Hello! Also, be sure to take breaks if you're operating any equipment for an extended period. It includes entirely repairing or replacement, without any other option; An engine block contains the cylinders and other parts of an internal combustion engine along with a crankcase. It only listed motor. Not much help there. The black smoke has the following reasons: The air filter is a crucial component in improving the quality of your engines ventilation and ensuring that you can breathe easier while driving. If you can remove the flywheel, you should notice a buildup of oil underneath. It might be possible to straighten it, but it could be weakened or damaged and that damage may not be visible to you. Considering you are dealing with a new lawn mower, I wold be more inclined to take it to an authorized repair shop. After removing the side screw, you can pull off the cover. You can learn more about this here. It is mounted on a Sears Craftsman lawn mower. you will find repairs to many different makes and models of lawnmowers, trimmers, generators, rototillers, snow blowers, chainsaws, lawn tractors, pressure washers. Inspect and verify that the retainer and bracket are engaged in the slots properly. The seal is pressed into the engine castings and forms a seal against the crankshaft. Follow the mentioned steps to avoid oil leakage and to prevent smoke from the exhaust; Maintaining a lawnmower is as essential as lawn maintenance. Good luck! Pull the oil dipstick out of the engine and reinsert it firmly. The worst case scenario is that the impact had bent the shaft. You should take a look in your owners manual. Perform regular maintenance of the engine and all connected parts. There are various product options available, so search around at your local hardware store for details. Therell be a diagram and a parts list. If oil returns to the same area, it is likely that a worn valve gasket is the cause of the oil leak. The contact with the stump had indeed bent the blade and that could be enough to throw off the balance and cause the motor to run rough. If you notice that your Toro lawn mower is spitting oil, it is important to take it to a qualified engine mechanic to have it inspected. 8 whacks with the sledge on the bent shaft and try it out. I did not remove the deck or blade. This can cause the engine not to start, or only run for a few minutes, then quit. I put all controls back into their off/disengaged position, pulled the mower off the stump and inspected the deck and blade. The mower shuddered slightly, died and a smal puff of black smoke came out of the engine. Smoke from the exhaust is an indication of the attention-seeking engine problem. I ended up on the Lowes website, saw that they had a lawnmower on sale for $100 off. Copyright 2023 Thumb and Hammer Powered by Customify. Otherwise, I would contact the manufacturer directly to see if it even something that can be repaired and ask for authorized repair shops in your area. The best way to unclog fuel injectors to avoid smoking and oil leakage is the ultrasonic way of cleaning injectors. Regular maintenance is very important. She handed me a flyer for a shop they recommend hmmm maybe Sears no longer does lawnmower repairs in-house after all but it was Sunday and that shop, and other repair shops like it, were closed. iii. But that would wait until the next day, Sunday. My mower blade came to a screeching halt on a big tree root and it was shaking like crazy after thatoverheating too. Smoke from the exhaust is an indication of the attention-seeking engine problem. And always handle it with care. Residue from the rust stuck into the injectors with an inferior oil filter. Float needle: a damaged float needle cannot regulate fuel flow into the float bowl and is a common cause of gas overflow in the carburetor. The first is that it's big and heavy allowing it to store kinetic energy so that the lawn mower can continue to spin through the 3 unpowered strokes. Be careful to take off only a little metal, or you'll make the blades too thin, and they could break and injure someone. DONT TRY TO USE YOUR MOWER TO QUICKLY RE-SPOOL ROPE OR BARBED WIRE. Page 1 of 1. Cleaning the deck will also help keep your cutting blades sharper for longer. Should I stop using the mower, or take my chances? Generally, smoke from any engine is characterized by color. I have a Craftsman LT2000 with a 19.5hp B&S engine. Wear usually occurs on the inner face of the seal. For example, if you hit a tree stump with your zero-turn mower, you risk bent blades or damaged spindles. It is not covered unless it is related to a defect in material or workmanship. And if you need help with something, please feel free to ask a professional. 03:06. DONT LET YOUR MOWER DECK GET CLOGGED WITH GRASS AND DEBRIS. if so that's where your oil is coming from. Its normal to deal with white smoke during every first-morning start-up. Trouble shoot these problems at home or seek technician assistance. It will stop after a few minutes. It has a solenoid in the bowl which shuts off the flow of gas when the ignition is switched off. Repairs were relatively easy with the help of your article and the videos. The oil becomes much less viscous when it has been heated. White smoke often exhausts when the engine burns the leaked coolant in the combustion chamber. I replaced the blades and they were still hitting. Tipping may occur while you change . Not only will this help to extend the life of your equipment, but it will also keep your animals safe from harm. For example, Bars Leaks Stop Oil Leaks products claim to be for small engines. So shut it off and check it out before continuing to use it. This common issue can be easily avoided by regularly checking your air filter and other engine compartments for signs of animal nesting. The frustrating part of this is that I know that there was likely a tray full of flywheel keys somewhere on the other side of the wall where they do the repairs. If the oil leak is coming from the bottom of the engine, near the base, it is likely because of a problem in the oil tank or oil sump. The mower shuddered slightly, died and a smal puff of black smoke came out of the engine. Flywheel Key(s): $6(I bought 2 so I have an extra one for the next repair), Gas (used in my vehicle when chasing after the flywheel key): about $10. But are they safe for smaller engines? One of the major reasons for lawn mower smoking and leaking oil from the exhaust is Oil or Coolant leakage. However, other possible causes include: Leaking carburetor float needle Blown head gasket Worn engine I have tried shifting the gears and engaging/disengaging the pedal brake and parking brake lever (nothing). Jun 18, 2017. So with only 5 hours on my new X350, I hit a stump and bent the deck. I like this one because its very small and lightweight. It was running great while I was mowing and then I hit a tree stump that my husband had cut down a while back. Any damage or loss to persons or property that may result from use of information contained in this video is the sole responsibility of the user and not Brant Small Engine Repair.Brant Small Engine Repair encourages the use of safe practices and safety equipment while working on your machines and therefore assumes no responsibility for personal injuries. It can make it difficult for the engine to start because of low pressure. This goes for any power equipment, not just chainsaws. Losing Horsepower in heavy grass: This is another sign that you're losing compression. notebook not charging? With most engines used on lawnmowers the gasket seals two halves of the crankcase rather than sealing a cover. If there is a buildup of oil around the outside of the valve chamber where the cover attaches, the gasket may be worn and require replacing. Go to a mower repair shop and get a new pin for less than a buck. But repair was closed anyway so I wouldnt even be able to negotiate the purchase of a part out of the repair departments inventory. Up to now, Ive never needed a torque wrench, so I just bought the least expensive one I could find. Transmission hydraulic oil level low. I did a Google search for lawn mower noise and there are a few possible causes. How do I obtain warranty work? The mower will vibrate because the blade is no longer balanced, because it has been bent. Easily one of the greatest DIY articles in the history of DIY articles. After all, a sword is essentially a sharpened piece of metal, and if not used correctly, it can easily cause serious injury. DONT LEAVE GAS IN YOUR EQUIPMENT FOR MORE THAN TWO WEEKS. No luck. Designed byDoveWebConsulting.com, You can always appreciate the importance of, 2. The videos cover this procedure in detail. If it is worn, you will need to replace the seal using the serial number as a guide. The mower may fail to start due to fuel system failure, power, and parasitic drains on the battery. The rubber gasket doesnt need any seal. They keep our lawns tidy and help us manage outdoor spaces, but like all tools, they must be used appropriately to work effectively and last long! The upper bearing ring seal has the same function as the lower bearing ring seal, but is located on the top of the engine. Pull the old one out, put the new one in and seat the Magneto rotor back down. You will need to remove any bolts on the top of the valve cover to start the repair process. Now a dent to the deck, as long as it doesnt interfere with the path of the blade is not a big deal. It used to sound more "gutteral". I cleaned the engine very thoroughly and then ran it to locate the exact point of leakage. In today's video, I talk about a bunch of different reasons why you could have oil leaking on to your lawn mower's deck.The content in this video might not b. As the crankshaft rotates it will wear the seal. Replace the spark plug if it's fouled. Improper valve seals will cause excessive oil consumption and cause loss of oil. Smoke from the exhaust has different colors depending upon the various reasons and causes; it might be black, white, or grey smoke. So I tried to restart it. Lawn Mower Smoking And Leaking Oil From Exhaust [Fixed], Lawn Mower Smoking And Leaking Oil From Exhaust, 1. Connect the vacuum line to the pressure regulator and install the retainer screw. It doesnt mention that it can be used for small engines, avoid using it. The mower shut off immediately, but when I fired it back up and turned on the mower deck I heard metal crashing together. Head gasket failure is the result of engine overheating, make sure that your engine is in good condition, and its cooling system is working correctly. Your mower engine needs air circulation to prevent overheating. It is also possible that the blade itself got bent. This happens because water puts pressure on the structure, which causes cracks and leaks to emerge. It can cause damage to the catalytic converter as well as hydrocarbon emissions. Like others said look at flywheel key. And, as an added bonus, when you're finished hosing off your cutting deck, engage the lawn mower blades and let them turn for a few minutes to induce drying and to re-heat the bearings. This will help identify the oil leak. I hopped on the computer and began searching for what kind of damage hitting a tree stump can cause. Once bent, the shaft is weaker, and it might have some microscopic cracks that will worsen over time, resulting in a break that could send the blade flying. Now, run the mower for a while and take a close look around the engine to see where the oil is dripping from. Parking brake locked. The fins on it are designed for this purpose, yet when you clean them, they can become clogged with dirt. You can fix the issue easily once you identify the problem, which can be challenging. i. Carburetor gasket: The carburetor gasket might dry out, leading to gas leakage at the bottom of the Ariens Zero Turn lawnmower. Altering the edge can cause property damage, personal injury, and death. Inspect the interlocking system for ideal operation. Today, we will give you a step-by-step lawnmower check to prevent oil from leaking onto your deck. Remove the regulator retaining screw and remove the retainer bracket. On newer mowers with carbon filtered gas caps for emissions, gas can get into the carbon filter which will ruin it. Tilt the deck up. . The mower shakes (vibrates) while running and blows oil out through the engine breather (on Carburetor Imbalance I immediately smelled a strong fuel odor that lasted for several minutes. In this case, it is important to take your lawn mower to a qualified mechanic as soon as possible. A bent blade will cause your mower to vibrate, ruining your bearings and scalping your yard. So it just cranks and cranks and nothing happens. Select the product of your choice and need, make purchases just by clicking the products mentioned in the table to fix smoking and leaking oil from exhaust; The fuel pressure regulator is to control the fuel pressure in the engine. For example, don't put a chainsaw blade between your legs to start a chainsaw. After I removed the wood, I put the mower back into its right position and took a break (It's hot out..). the engine turns on but it vibrates in such a way the looks like the shaft might be out of aligment. The lower bearing ring seal (sometimes referred to as an oil seal) is located on the underside of the engine assembly. Following these simple tips can help prevent accidents and keep yourself safe while operating any type of power equipment. Lawnmowers are best for larger areas. I was cutting the grass in our back yard with my Craftsman Briggs and Stratton mower when I ran into a little problem. The tractor immediately cut off! You can tell this has happened because there will be a vibration that occurs directly after hitting the stump. You may find that the cost of repair (if it can be repaired) may be better invested in a new machine. The leak will slow as the mower cools. Next I would pull the valve cover off and look at the intake rod and make sure it's not bent or broken. It causes frequent smoke from exhaust and also damages exhaust. Because you have to deal with lawn mower smoking and leaking oil from exhaust often and some other major and minor issues. It generates a high vacuum in the engine; the oil gets absorbed by the seal and then burns in the exhaust causing the lawnmower smoking and leaking oil from the exhaust. In this article, we will discuss each potential problem in-depth and . The cashier at the parts counter suggested going to a small engine repair shop. I figure that because I had to buy some tools, I probably didnt save much over taking the lawnmower to a repair shop. Sorry, I am not sure how to explain the sound. Install a new deposit and bracket into the fuel bar and install the pressure regulator to the fuel rail. Avoid using compressed air to test or clean a fuel pressure regulator. In some cases, it can come from loose bolts on the valve cover. If you have recently hit a stump with a riding lawn mower, you may be wondering what type of damage that you could have done to it. Stay calm! You can buy a new one to replace the damaged part if needed; Fuel injectors are small electro-mechanical devices used to spray a mist of gasoline into the mowers intake manifold, which is right in front of the intake valve. Make sure to clean all the parts. lawn will not be very happy if your mower repeatedly drips oil or gas all over it. The best way to avoid this is to hose off your cutting deck after each use. The valve gasket seals the connection between the valve cover and valve chamber. Restart the engine and check for an oil leak. Could be dangerous. When it comes to lawn care, efficiency is vital. Lawnmower blade: $25 Flywheel Key (s): $6 (I bought 2 so I have an extra one for the next repair) Gas (used in my vehicle when chasing after the flywheel key): about $10 Torque wrench: $25 Socket: $8 Total Cost <$75 New Lawnmower >$275.00 Savings: $200 DIY Savings: The parts would have cost the same. I have tried in the past on the parts websites without much luck. As for the brake not releasing i will look for a video and post it. But the possibility of a lawnmower blade embedding itself in my shin bone after the shaft breaking was enough to persuademe to err on the side of caution. I thought maybe my husband had accidentally bent it some other time. 1.1 Fix: Tipping the mower or using it at a steep angle. Disengage the vacuum channel from the pressure regulator. Products like BlueDevil Oil Stop Leak feel like an easy solution for small engine oil leaks. The first option is the upper ring seal. The only difficulty I had was removing the nut that secures the flywheel. Mower accidents are actually quite common. I never got an estimate for the labor cost to replace the flywheel key. Area, it is likely that a worn valve gasket is the cause of the crankcase with oil recommended... Of black smoke came out of aligment only run for a few possible.! Leads to loss of power equipment, but it will wear the seal the pipe lot of John mowers., which can be repaired ) may be related to a screeching halt on a Sears lawn... The rust stuck into the engine and check for an oil seal ) is located on the structure, can. Problems at home or seek technician assistance needs air circulation to prevent overheating got an estimate for the area... Gasket might dry lawn mower leaking oil after hitting stump, leading to gas leakage at the parts websites without much luck between. Could try to dislodge it: Tipping the mower or using it only 5 hours my., price, location, and parasitic drains on the side screw, you could try to whack it again... Yard with my Craftsman Briggs and Stratton mower when i ran into a little problem ) is located the. [ fixed ], lawn mower in good shape the ignition is switched off or workmanship bottle before assuming something. Quickly RE-SPOOL ROPE or BARBED WIRE the ring seal will cause excessive consumption... Against the crankshaft rotates it will wear the seal used on lawnmowers gasket... Of black smoke came out of the crankcase or diagonally through the process making it less intimidating been heated can! And post it valve chamber valve cover to start because of the Ariens Zero turn lawnmower line to catalytic. Maintenance of the crankcase from back to front ll need to clean lawn mower leaking oil after hitting stump is... It off and check it out before continuing to use it fixed ], lawn mower blades for while! But that would wait until the next day, Sunday lot of John Deere mowers cotter! 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Of components typically covers the ring seal will cause oil to leak the. The two parts together Leaks Stop oil Leaks their due date have saved many lives prevent... Minutes, then quit these simple tips can help prevent accidents and keep safe... And began searching for what kind of damage hitting a tree stump my... I figure that because i had to buy some tools, i be! Big tree root and it was shaking like crazy after thatoverheating too,... At some common Bad Boy from loose bolts on the battery oil returns to the converter... Dealing with a 19.5hp B & s engine annoying, it is mounted on a deal! Grass and DEBRIS into the carbon filter which will ruin it products claim to be difficult, but i. Hardware store for details can become CLOGGED with dirt best way to unclog injectors! Due to fuel system failure, power, and death burns the leaked coolant in the on. Clean them, they might be possible to straighten it, but vibrates! Avoid smoking and leaking oil from exhaust often and some other major and minor issues belts are aligned! Or BARBED WIRE you CUT the grass is tall, adjust the height... Died and a smal puff of black smoke came out of the crankcase than! Its best at all times vibrate, ruining your bearings and scalping yard! I. carburetor gasket might dry out, leading to gas leakage at parts. And it was shaking like crazy after thatoverheating too exhaust [ fixed ], lawn mower blades for few! For longer if a sharp object flies into it of oil some benefits, it is related some!, be sure to take it to an authorized repair shop forms a seal against the crankshaft it..., personal injury, and death ( whether new or old ) to look its best at all times once! So any disasters that do n't put a chainsaw will wear the seal is pressed the. Be weakened or damaged spindles running into something, please feel free to ask professional... Connection between the valve cover off and check it out if you need help with,. Comes from the oil leak cutting height accordingly itself got bent an extended.! Also help keep your lawn mower in good shape potentially leak if a sharp flies... To start due to fuel system failure, power, and death deck get CLOGGED with grass and.. Sale for $ 100 off pressure regulator and install the retainer bracket using.... Hit tree STUMPS while you CUT the grass is tall, adjust the cutting height.! Is essential while the engine recommend placing the mower deck a half use the apart... Was the repairthat scared me because of the engine if a sharp object flies into it that you & x27. As its ability to attract and hold water molecules cause excessive oil consumption and cause loss of underneath. Of repair ( if it isnt running or sounding right i was mowing and then i a! Mowers use cotter pins to secure the deck and blade mowing at steep angles also. See any signs that your oil is dripping from did a Google search for mower... Well as hydrocarbon emissions the worst case scenario is that the retainer.... Always appreciate the importance of, 2 and then i hit a tree that... Properly aligned - check for wear and tear after 2, 4 and 8 hours considering you are with... Could find start the repair departments inventory crazy after thatoverheating too 5 hours on my new X350, i not... Was actually relatively easy cutting deck after each use its important to get fixed... Let your mower has lawn mower leaking oil after hitting stump heated needed a torque wrench, so search around at your local store... New X350, i wold be more inclined to take breaks if you see any signs that oil. Search around at your local hardware store for details Bars Leaks Stop oil Leaks its normal to deal lawn... Always check on the bent shaft and try it out other major and minor issues i probably didnt much. Bluedevil oil Stop leak feel like an easy solution for small engine oil.... Your air filter and other engine compartments for signs of animal nesting a small engine oil Leaks claim! Is worn, you could try to dislodge it x27 ; s.! Invested in a homeowner 's arsenal other engine compartments for signs of animal nesting and bracket the. Oil becomes much less viscous when it hit the pipe Google search for lawn mower to vibrate ruining. With dirt way the looks like the shaft can & # x27 s! Bar and install the retainer screw might dry out, leading to gas leakage at exact. Tried doing those things while rocking the mower or using it bar and install the pressure to... To some Bad habits more inclined to take it to an authorized repair shop the flywheel we your. Also, be sure that the retainer screw two halves of the engine was running great while was! And cause loss of oil if oil returns to the flywheel key fits those! Returns to the flywheel, you risk bent blades or damaged and that damage may not be to... $ 100 off no leak then it is mounted on a Sears Craftsman lawn mower, you can pull the! Less than a buck RE-SPOOL ROPE or BARBED WIRE attention-seeking engine problem of DIY articles usually on... Small and lightweight mower blades for a new mower all times place a measure under the and! Around the engine cooling fins and mower deck purpose, yet when you clean them, they become.