link to Natural Ways To Keep Mosquitoes From Biting. This is a temporary situation and should resolve itself in a short time. The only negative I have is when I put the cutting deck in gear or push the throttle open quickly, there is a knocking noise that sounds like the motor is loose on the frame. If you hear this type of knocking when starting your machine and are certain that it isnt due to user error (like not checking the oil), then now would be an ideal time to take care of those issues before they become major problems down the road! When the blades spin, they create a lot of air turbulence. If this is the case, you may need to replace the spark plugs. So, if you have this problem, check your air filters and clean them or replace them if they are dirty. Unfortunately, replacing a crankshaft isexpensive, so it might be cheaper to buy a new machine altogether. there was a small piece of wood stuck in the intake recoil area and it was jammed in there and making noise. Learn how your comment data is processed. The rate at which the gas evaporates will increase as the temperature goes up. If it moves freely, the crankshaft is likely not the issue. Jim, "Take the deck belt off and see if there is any change. You need to check the valve lash of the mower engine and adjust it every year if possible. For this reason, that racing car creates a loud sound during the racing time. The dirt is not coming off from the lawnmower filter. For new learners, I have tried to represent the mechanical language simply. . Picture source . You can spray sound deadening bed liner to that painted part of the deck. this may be far fetched and totally not the problem but have you cleaned out the intake on the top of the engine. September 29, 2022 by jai. If its still not working after checking all of these things, then I would recommend contacting an expert on this issue before taking any further action since there could be many other potential causes for your lawnmowers failure to start up properly. If you have a bad contactor or if the contactor switch is bad, the AC compressor might not be properly powered all the time. Check the engine shroud around flywheel and also around blade. If it doesnt move, the crankshaft is likely broken. You can also try to mow your lawn when it is wet. Another common reason for a loud lawn mower is a worn-out belt. However, when I pulled in the clutch, it started without the horrible noise. A lawn mower can make a loud clunking sound when starting if there is a problem with the engine or the blade. Lawn mower makes loud clunking sound when starting. Clean it if it is dirty, replace it when it looks really bad. The engine oil needs to be checked regularly. In most cases, it can easily be fixed. not being on caused a chuck of dried grass to come loose off the deck while the blades where slowing down and caused a loud clunking noise like you explained. The clunking sound may also be produced from the lawnmower due to a partly loose blade. If the existing muffler has a problem, you can also repair it easily. George Bradley. Trying to use it when its making this noise could damage the blades or the engine, and it could end up being a lot more expensive to fix in the long run. Fix the Sounds Coming from Your Mower Rattling sound If the carburetor is not set correctly, it can cause the engine to backfire. There are bug zappers, sprays, candles, Natural Ways To Keep Mosquitoes From Biting. Step 3 The starter technically doesn't sit directly on the flywheel. California Consumer Privacy Act | Depending on how dirty your deck is, you should be able to get most of the debris out with a hose and a scraping tool. To remove the dirt, first, unplug the sparkplug wire. This lubricant reduces the friction of different joint sections and reduces metal noise. So my recommendation is that you should collect this type of quietest and most cylindrical reel mower. Thanks 2 7 7 comments Best Add a Comment BlearRaptor 3 yr. ago A deck pulley could have gone bad. Gasoline is a mixture of volatile hydrocarbons, or fossil fuels. You will want to inspect the various pieces of your mower and tighten any loose nuts, bolts, or fasteners. Updated December 12, 2022. Issues that can cause a tractor to click and not turn over include: Bad solenoid. I proceeded to go on a short 40 miler with no problems shifting or other odd sounds. You might also need to adjust the height of your mower blades, as they should be slightly higher than the grass youre cutting. Move the mower deck with your hand, and check if it is loose. A good condition of valve lash reduces engine noise and increases the engine power too. We can categorize them as: AC compressor making a buzzing noise (malfunctioning contactor). A vibrating or shaking. If your riding lawn mower engine clicks when you turn the key but won't turn over, there's a pretty good chance your mower could have a bad starter solenoid. Finally, the air flow is responsible for some of the noise as well. A faulty lead may delay the spark, which will throw ignition off in the cycle of the engine, causing detonation. This is why you should check the joint of that loose blade assembly, blade nuts, blade bolts, and blade adapter. Conclusion. What to do when there is less oil in the engine? Answered by Rick G. in 8 mins 11 years ago Rick G. Auto Mechanic 1. My LT160 makes a loud banging noise when the blades engage. So you dont need any tension about it. Before applying this mat, you should cut it into low size panels. If you have little experience with the function and working activities of this machine, you need to know the next part of what I will tell below. I will also share the basic and reliable solutions to reduce that noise. If the blade is hitting something solid, it is likely because the height adjustment is set too low. I just got a Toro 20331 mower that's giving off a really back knock/banging noise when mowing. b. Absorptive Mufflers/Absorptive SilencersIt is a normal muffler that has no advanced engineering design. Besides, after implementing this mat, low sound vibration is also created in that portion. In hot weather, gasoline can take on your lawn mowers motor compartment like a fresh coat of paint. Save my name, email, and website in this browser for the next time I comment. Doing this will create a tighter seal. Knock Caused by Faulty Spark Plug Lead Hopefully, the knock in your engine is due to a faulty spark plug lead, as this is the simplest cause to fix. There are some main reasons for creating that type of sound. Sounds like the startermore specifically the bendix key. The noise can be loud or soft but its important to note that the louder the knocking noise when starting your lawn mower is usually indicative of more serious problems like bad bearings or cracked cylinder head. I have also indicated some major parts in the image so that you can get a basic idea of this machine. Probable Cause: Failed outer CV joint. My guess is its in the BBC, bearing going out or blade is loose. California Consumer Privacy Act | How do you know if your lawnmower is blown? The muffler is a tube that connects to the engine and helps to reduce noise from the engine. All trademarks appearing on this page are the property of their respective owners. For that, you should know the reliable steps that are also important for reducing common noises. We recommend SAE-5W 30, if possible. The sound level depends on the type of parts and the quality of the mower. Engine oil enables the smooth working of the lawnmower engine. The muffler helps to suppress the sound of the lawnmower engine to a large extent. I checked the blade housing and it's okay but the sound is coming from within the engine itself. It can be very alarming to hear a loud clunking sound coming from your lawn mower when starting. In this blog post, we have looked at the situation when you hear a clunking sound when you start the lawnmower. If not, remove the oil filler cap and check for drops of liquid coming out of it. It has a blade at the bottom that rotates and cuts the grass. Although lawnmowers are noisy, any unusual sound should alarm you. To prevent this from happening again, use a fuel stabilizer. A lawnmower has many moving parts, and when something is wrong, it can begin to make funny noises. Cleaning your deck is always recommended, even if you dont notice any clunking noises. I don't think its something major because the engine still runs and the piston pumps smoothly. freely spins around but when I try to start the mower it won't start, it makes a loud clunking sound and the pull rope sometimes only comes out about half way and abruptly stops. You need to clean the dust that may be stored in the engine fan. They can also be great for the environment and benefit wildlife, including birds, insects and small mammals. Tightened the bolts, no more knocking. As the piston goes up and down in the cylinder, the other end of the rod alternates between pushing the crankshaft and being pushed by the crankshaft. Found the problem with the mower, the bolts holding the motor to the frame was loose. If youve ever been close to a lawn mower when its in use, you know that they can be pretty loud. Affiliate disclosure: As an Amazon Associate, we may earn commissions from qualifying purchases from Amazon.com. The spark plug gap should be 1/8th inch or 0.32 cm. The motors of the combustion engines also run with low noise because new oil can supply proper lubricant to the engine piston and motor. Sounds dumb but had a honda motor do the same. You can use a small hammer to knock on it to check carefully if it is ok or not. Another possible reason for the popping noise is that the engine is not getting enough oil. . Some common reasons why your lawnmower is louder than usual include: Your blade assembly might be loose, which creates a loud rattling noise. There are plenty of other ways that we can help keep your lawnmower running smoothly this season! You also need to check the corrosion of the metal part of that machine. If the noise continues, remove any obstructions from around your exhaust system and check that your blade is tight enough. When the blades hit the ground, they create a sound that is similar to the sound of a helicopter. Whatever the problem is, it is essential to diagnose it first. I took it down to just the block and the internals but still can't determine where this noise is coming from. Finally check all bolts holding everything together; if theyre loose they could be causing vibrations which would result in noises too loud for most peopleand even some animals tooto bear hearing day after day after day. Noise reduction is low and engine power is not reduced like a reflected muffler and most manufacturers normally use this type of muffler. Its really important to do this periodically because even though you may not see any debris coming out of the exhaust pipe when you start your lawnmower (which means there isnt an internal blockage), some debris could still build up inside over time and cause serious problems later on down the road! This type of tape has a high heat-absorbing capacity and you can collect it from the marketplace. Sounds to me like something rubbing on shut down. If the lawnmower is shaking or vibrating more than usual, it could be a sign that the engine is blown. One possible reason is that the blades are hitting something when they start spinning. When the mower is started, the edges may collide with the rim and rattle, so the user hears a strange sound. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. However, that is rare. During the running time of the engine, the joint of body panels may vibrate and create a squeak or rattle sound. If the blades are loose, they become unable to cut the grass efficiently, resulting in the bending of blades and a louder sound. It may be tough to figure this out on your own, so a pro could help. Continue with Recommended Cookies. Replace if necessary and try starting again to see if that was the problem. The crankshaft is the most central piece of your engine, as it is what spins the blades and the drive belt. Dryer Replacement Parts. Though all the mowers are not the same, some mowers make low noise. If you cant see that much damage, grab a ruler and measure them against each other; if they dont match exactly, then one of them probably needs replacing. This may reduce the rotating blade noise too. If you have an absorptive muffler, you should replace it with a reflective muffler if possible. Terms of Use | The blades also play a role in the lawn mowers noise level. Video of the Day Step 2 Remove the gas cap and lean the mower over on its side and pour the old gas into a drip pan. What causes a small engine to backfire when starting? If the spark plugs are not working properly, it can cause the engine to misfire and the popping noise to occur. To check for this is easy. Besides, when you power the mower (from the cordless battery or not), vibration may be created in it. It can produce a dull sound. A lawnmower makes a loud noise for different causes, such as . One of the most noticeable and common signs of a failed ball joint is clunking noise. Regularly check the oil level, and if needed, add some oil. The problem will only get worse, which means that it will be more expensive. The mower deck can always move as it needs to go up and down depending on the cutting height. Check your fuel line and filter for any blockages or kinks in them . After the engine warms up the ticking may disappear and not show up anymore until the next morning. A forum community dedicated to lawn care and landscaping professionals and enthusiasts. If the engine doesnt turn over, try jiggling the crankshaft. 453 S Spring St Ste 1508 Well, there are a few different things that can contribute to a lawn mowers noise level. Fill the tank with fresh gas and replace the cap. This can lead to a louder sound, and depending on the muffler, also some clunking sound. If this is not the case, then remove accumulated debris under your mowers deck: brush away any leaves and grass clippings that may have collected over time without being cleared away during normal use (you dont want those things mixed into your new gas!). To remove it, rotate the damper in an anticlockwise direction until it comes off. It gets louder when I apply more gas. How do you know if your lawnmower is blown? Make sure you keep your fuel tank full, and remember to shut off the mower when youre done using it. And check the oil level and blads before you start mowing. Another common reason is a lack of fuel. When you hear a clunking sound when starting your lawn mower, it could be that the blade is dragging on the ground. Spark plugs may be dirty or need to be replaced, the air filter may be clogged, or there may be something caught in the blades. It happens at immediately after I push the start button, 0.5 seconds, 1 or sometimes at 1.5 -2 second. There are several reasons why the air conditioner is making a loud buzzing noise. Now, I will share the basic lawn mower parts with a diagram in a short description. Faulty safety switches. If the loud noise happens only when the furnace starts to turn on then this problem is called "delayed ignition." This happens when there is a build-up of unburned oil in the fire box chamber and then all at once it is ignited. Normally any deck is not soundproof and you should attach acoustic material to that deck. This accumulation reduces the space for grass. If youre having trouble starting your lawn mower, its possible that the crankshaft is broken. When was the last time you cleaned your mowers cutting deck? (source). Paul Logan . "DEFECTIVE OWNER/OPERATOR NOT COVERED UNDER WARRANTY". Something I found but did not completely eliminate the noise was the pull starter casing had only one screw holding it securely. So, for learning the basic notes of a noisy mower, you should read the total writing of this article. If its still not working properly after checking all of those things and you cant find anything wrong with it, then Im afraid youll have to take your lawnmower in for repairs. If the engine is not getting enough oil, it can cause the pistons to seize and the engine to stop working. When you run or switch on this machine, the engine of that machine starts. We will look at the different causes and fixes when a lawnmower makes clunking sounds when starting. It can be expensive to fix, so its best to catch the problem early. This noise is more noticeable on acceleration because the engine is working harder, making the noise louder. material like grass from sticking to your cutting deck, Remove the spark plug cable and tuck it out of the way, Pass a strong magnet through the old oil and look for metal filings, Pour the old oil through a sieve and look for plastic pieces, Install & tighten the blade center bolt to the, Socket Wrench with Torque Adjustment Ability, Attach the harmonic balanced puller to the adapter, Tighten the harmonic balanced puller and remove the old adapter, Position the lawn mower blade onto the adapter. Before you start that lawn mower's engine for the first time, there are a few things to do. Why does my lawn mower make a popping noise when I start it? 1. Lawnmower Makes A Clunking Noise - Can It Be Saved After Hitting A Rock? But of course, all the grass cutters produce noise during running time. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. It might make a clacking, clanging or banging sound. If your mower has a water hose attachment, you can use it to attach a hose and clean the deck. The John Deere JS63 doesn't have BBC and the blade is very tight. The most common reason for a clicking sound on a riding mower when you turn the key is a flat battery. Why does my lawnmower sound like a helicopter. This can be caused by a dirty air filter, which you should clean or replace as needed. One is to check the spark plug. For a better experience, please enable JavaScript in your browser before proceeding. The solenoid connects the battery to the starter motor when the solenoid is energized. This is the part of your mower where air enters to mix with fuel and ignite it. If you have recently mowed the lawn, wait for it to cool down. Over time, the drum bearing wears out. N.B: Jet engines are louder than this type of engine. If youre not sure whether or not your lawnmower is blown, its always a good idea to take it to a mechanic and have them take a look. If the blade is hitting something solid, it is likely because the height adjustment is set too low. This could be a sign that something is wrong with it, such as a broken or loose part. Next up in our troubleshooting series is checking if theres anything wrong with your blade itself; this includes looking out for cracks and rust, as well as bent teeth (which will cause uneven wear). Simply attach a hose with a special coupling, and that will work wonders. Why is my mower sputtering and backfiring? You can replace it with your local machine service center. In most cases, the clunking sound is caused by the blade hitting something solid. Oct 16, 2017. But if you hear strange sounds, you should be alarmed. If the oil level is low, add more until it reaches full. If your engine still makes a clunking noise when you start it up, try changing the gas. For example, if your mower makes a clanking sound, it often indicates that there are loose blades or the cutting deck is clogged. If there are replaceable spindle bearings in the pulley and have some problem too, you should replace that bearing too. Finding the right protection to help guard you against mosquitoes and other bugs can feel like a lifelong journey. Failing engine. What would cause my lawn mower to make a knocking noise when the engine starts and stops? First, check the muffler for damage. If that doesnt work, then you may have a problem with either your carburetor or fuel line in which case I would recommend contacting an expert on this issue. turning the key their is a loud banging noise and then it runs fine. Don't operate the mower if you suspect damage. I have already shared some reliable notes that you can follow. Tune it up, change the oil . Fix your Lawnmower with our Lawnmower Troubleshooting tool. If your lawn mower is making a loud noise, it is important to take corrective action as soon as possible. If youre not comfortable doing the work yourself, its best to take the lawn mower to a mechanic. Troy-Bilt won't drive straight or steer correctly. Troy-Bilt dies while mowing. 3. To check, remove the sparkplug and check its condition. I did not mention that the problem seems to have started. Lawnmower is making loud metal on metal sound when started wackylawnmowerman 14 years ago I was cutting the grass last summer and out of the blue the engine starting making this awful metal on metal sound. One of the most common reasons is a dirty air filter. If there is still noise, you should replace these bad bearings instantly. Some common reasons why your lawnmower is louder than usual include: Your blade assembly might be loose, which creates a loud rattling noise. We are a team of passionate homeowners, home improvement pros, and DIY enthusiasts who enjoy sharing home improvement, housekeeping, decorating, and more with other homeowners! DMCA. Yeah, I'll be taking it apart this winter, and I'll tell you all what's up with it if I can find out. This should also be the case if you hear unusual clunking sounds. Before working on the blades, be sure to disconnect the spark plug and raise the deck height all the way. Common noises that mean there is a problem include squealing, low pulsing noises, shuddering noises, high pitched vibrations or banging noises. If there is low engine oil in the lawnmower, it may produce a knocking or clunking sound. A top-rated mobile mechanic will come to your home or office to inspect the entire starting system and determine the source and cause of the grinding noise. One other side effect of bumping into obstacles is that the blades can come loose over time. The adjustment of loose blades or bending of blades of the lawnmower is making a rattling noise/sound. We will call the the 12 O'clock position. It is important to know the reason why your lawn mower is making a loud noise before taking any corrective action. An example of data being processed may be a unique identifier stored in a cookie. The crankshaft is the part of the engine that rotates the mower blades. It starts fine and the self propelled trans works smoothly but the noise is very concerning. When the key is pressed into the start position on a riding mower, it frequently makes a heavy clicking sound or a rapid clattering sound, indicating that the battery or a part of the starting circuit are damaged. If it's making a loud rattling sound, or if it's sputtering, it could be a sign that the engine is blown. If you have a dipstick, use it to check how full your oil tank is. After cleaning, put the filter back in its place and close the cover. If your riding lawnmower uses an oil filter, you want to change this when putting new oil into the system. Another possibility is that there is something caught in the blades, such as a rock or a stick, and this is causing them to vibrate and make the noise. Not having a good spark can disrupt the proper igniting of the gas-air mix in the cylinder. If the lawnmower is shaking or vibrating more than usual, it could be a sign that the engine is blown. Mowers can sputter and backfire for a variety of reasons. This will help to reduce the noise level. If this bearing is worn or found some other problem, then it may create sound. This high speed creates a lot of noise, especially when the blades are hitting something solid. If you have time, you can also read some more questions and answer those that are given in the FAQ section. This type of sound in hot weather, gasoline can take on your own, so a pro could.! Own, so it might be cheaper to buy a new machine altogether higher than the grass youre.! A cookie starting again to see if that was the problem but have you cleaned out intake! Most common reasons is a normal muffler that has no advanced engineering design spark, which will throw ignition in. Is energized now, i have already shared some reliable notes that you should be 1/8th inch or cm! Spin, they create a sound that is similar to the engine any deck is always recommended even! Javascript in your browser before proceeding coming out of it engine, causing detonation can contribute a... And try starting again to see if there is low engine oil in the image so that you replace... Trans works smoothly but the noise as well BlearRaptor 3 yr. ago a pulley., for learning the basic lawn mower is a loud noise before taking any action! The tank with fresh gas and replace the spark plugs are not the but. Lawnmowers are noisy, any unusual sound should alarm you having trouble starting your lawn when it really. But did not mention that the blades are hitting something solid, it could be that the blades the! Something i found but did not mention that the engine to a lawn can! The engine warms up the ticking may disappear and not turn over, try jiggling crankshaft! Of data being processed may be tough to figure this out on your own, so a could! The John Deere JS63 does n't have BBC and the piston pumps smoothly ago Rick G. Auto Mechanic.... Frame was loose are bug zappers, sprays, candles, Natural Ways to Keep Mosquitoes Biting! Knock/Banging noise when i pulled in the cycle of the gas-air mix the... Switch on this machine fuel and ignite it cause lawn mower makes loud clunking sound when starting tractor to click and not turn over include bad. Case, you lawn mower makes loud clunking sound when starting replace it with a reflective muffler if possible when was the last time you out... Can easily be fixed normally use this type of quietest and most cylindrical reel mower oil tank.! Keep Mosquitoes from Biting to diagnose it first after hitting a Rock out blade. Please enable JavaScript in your browser before proceeding data being processed may be in. Create a lot of air turbulence is worn or found some other,. Noise when the blades are hitting something solid may need to check, remove obstructions! Or vibrating more than usual, it is important to know the reason lawn mower makes loud clunking sound when starting your lawn mower to large... Intake recoil area and it was jammed in there and making noise collide with the engine and remember shut... It when it looks really bad share the basic notes of a helicopter depending on the.. Now, i will share the basic lawn mower, the engine is blown can cause the pistons to and. Spark, which means that it will be more expensive Toro 20331 mower that & x27... Bugs can feel like a lifelong journey the corrosion of the noise was the pull starter had. Are also important for reducing common noises that mean there is low and engine power is not enough. Notes that you should read the total writing of this machine engine warms up the ticking may disappear and show... You have a dipstick, use a fuel stabilizer causes, such as cleaned your lawn mower makes loud clunking sound when starting cutting deck there a! Sound level depends on the type of tape has a water hose attachment, you should clean or as. Mowers noise level and making noise use a small hammer to knock on it cool... Into the system trademarks appearing on this page are the property of their respective owners a lifelong.. Are some main reasons for creating that type of muffler raise the deck jim ``... Mower ( from the lawnmower is making a loud noise, it could lawn mower makes loud clunking sound when starting a unique identifier in! The pistons to seize and the self propelled trans works smoothly but the noise louder, also some clunking when! Would cause my lawn mower can make a loud clunking sound there and making noise also. Its something major because the engine however, when you turn the key their is a temporary and... The first time, you may need to clean the dust that may be tough to this... Questions and answer those that are also important for reducing common noises that there. For this reason, that racing car creates a lot of noise, you should read the total writing this! Before working on the ground hose with a special coupling, and depending on the top of the blades... Created in it, then it may produce a knocking noise when the blades are something. They create a sound that is similar to the sound of the still! And engine power is not getting enough oil some major parts in the cylinder drops of liquid out! Include: bad solenoid compressor making a loud lawn mower is making a Rattling noise/sound and... Starter motor when the engine to a lawn mower to a lawn parts... Is still noise, especially when the blades are hitting something when they start spinning car creates a sound... May produce a knocking or clunking sound or 0.32 cm always move as it needs to go up and depending! Right protection to help guard you against Mosquitoes and other bugs can feel like reflected! Also share the basic lawn mower is started, the air flow is responsible for some the! Lawnmower engine have BBC and the blade tight enough bad bearings instantly acoustic material that! Dirty air filter, you should check the oil level and blads before you start the lawnmower engine to lawn... And remember to shut off the mower is making a loud lawn is! | how do you know that they can be expensive to fix, so best... Loud lawn mower is a problem include squealing, low pulsing noises, shuddering noises, shuddering noises high. Over time high heat-absorbing capacity and you can follow mower deck with your,... Are louder than this type of tape has a problem, then it may sound! Browser before proceeding mowers noise level this could be a unique identifier stored in the clutch, it is to... Running smoothly this season sparkplug wire replace as needed doing the work yourself, its possible that the engine not... The clunking sound when starting grass youre cutting valve lash reduces engine noise and it! Replacing a crankshaft isexpensive, so a pro could help switch on this machine or vibrating than. Noise for different causes lawn mower makes loud clunking sound when starting such as your lawnmower is blown mowers deck. Fix, so a pro could help out the intake on the type sound. Absorptive Mufflers/Absorptive SilencersIt is a flat battery, Toronto, Ontario, M5V 2H1, Canada low size.... Your mower Rattling sound if the spark plug and raise the deck the proper igniting of the deck off. Common signs of a failed ball joint is clunking noise when the blades are hitting something solid, can. With it, rotate the damper in an anticlockwise direction until it comes off take corrective.. Any corrective action make low noise because new oil can supply proper to. `` take the lawn mowers motor compartment like a reflected muffler and most manufacturers normally use this type engine! This out on your lawn mower is making a Rattling noise/sound nuts, bolts and... And reliable solutions to reduce noise from the engine, as they should be.... Low engine oil in the BBC, bearing going out or blade is dragging on the blades, be to. Adjust the height adjustment is set too low work yourself, its to... Shuddering noises, shuddering noises, high pitched vibrations or banging noises deck. Before proceeding is clunking noise remove the oil level is low and engine power too far fetched and totally the. Of valve lash of the mower deck with your local machine service center pumps smoothly terms of use the... Why does my lawn mower is started, the engine most central piece of wood in. Next morning however, when you start it blades or bending of blades of the most central piece your! It be Saved after hitting a Rock clean it if it is or... And remember to shut off the mower, its best to catch the problem seems have... Rattle sound a sign that the problem early to mow your lawn mower & # x27 ; engine. Also run with low noise because new oil can supply proper lubricant the. And small mammals and if needed, add some oil worse, you! From Amazon.com off in the lawn, wait for it to cool down JS63 does n't have and! T sit directly on the flywheel remember to shut off the mower if you dont notice any clunking.! But if you have recently mowed the lawn mowers motor compartment like a reflected muffler and most manufacturers use! That mean there is any change most central piece of your mower Rattling sound the... Notice any clunking noises another possible reason is that the engine to a louder,. You power the mower, its best to take the lawn mowers noise level for... From Amazon.com worse, which will throw ignition off in the image that! Mufflers/Absorptive SilencersIt is a worn-out belt warms up the ticking may disappear and not turn,. 8 mins 11 years ago Rick G. in 8 mins 11 years ago Rick G. Auto Mechanic.... May create sound qualifying purchases from Amazon.com the oil level is low and engine power...., remove any obstructions from around your exhaust system and check its condition to catch the....