Jun 22, 2023 · First things, first. Don’t panic if your lawn mower won’t stop. There is a very quick and easy way to kill the engine, and then you can take the necessary steps to figure out why it won’t stop. Take a pair of insulated pliers and pull the boot off the spark plug. Your mower will instantly shut off. Jul 31, 2014 · Folks, if this helped you, please consider supporting my channel. Even the smallest amounts help! On my main page, there is a DONATE TO DANDLINC link on th... May 20, 2018 · If your lawn mower won't start or doesn't stay running, it may just be some gunk in the carburetor. This is the quick backyard way to clean out your lawnmowe... If your lawn mower won't start or doesn't stay running, it may just be some gunk in the carburetor. This is the quick backyard way to clean out your lawnmowe...Feb 22, 2023 · Hearing nothing at all could also indicate that your mower is refusing to start because it is low on oil. If the engine is cranking slowly, you probably have a failing battery. Check the battery and alternator. If your pull cord is difficult to pull, check that the flywheel brake is disengaged. 3. Check the Breaker and Motor Control Switch. If there isn’t a problem at the outlet or breaker and the cord successfully powers something other than the mower, then the issue is probably at the mower itself. At this point, check the connection at the mower again to make sure it’s tight and holding firm.Jun 22, 2023 · First things, first. Don’t panic if your lawn mower won’t stop. There is a very quick and easy way to kill the engine, and then you can take the necessary steps to figure out why it won’t stop. Take a pair of insulated pliers and pull the boot off the spark plug. Your mower will instantly shut off. Jun 22, 2023 · First things, first. Don’t panic if your lawn mower won’t stop. There is a very quick and easy way to kill the engine, and then you can take the necessary steps to figure out why it won’t stop. Take a pair of insulated pliers and pull the boot off the spark plug. Your mower will instantly shut off. Lawn mowers won’t turn over trouble is not a new thing among the mower user community, and sometimes, easy DIY fixing techniques can save both your time and money. Initially, the entire troubleshooting process might seem a bit complicated, but if you follow all the instructions given in today’s article, you can fix the problem easily and ...Jan 21, 2023 · To check if the flywheel is broken, remove the flywheel and inspect the flywheel key. Fix: Replace the broken flywheel key. 2. No Fuel in the Fuel Tank. Another main reason why your Murray mower won’t start is if your tank is empty. Empty fuel tanks can halt operations, cause sub-par performance and make rough sounds. Aug 12, 2021 · Check the plug. Clean or replace the filter when. Refill the gas tank. Tips to make your lawnmower start. Case 1: You fail to start the lawnmower at all. Case 2: The lawn mower runs erratically. Case 3: The lawn mower is overheat. Case 4: The lawnmower cut unevenly. Final thoughts. BEST OVERALL: John Deere 42-Inch S130 Lawn Tractor. RUNNER-UP: Husqvarna TS 354XD Riding Lawn Mower. BEST BANG FOR THE BUCK: Troy-Bilt Bronco 42 Riding Lawn Tractor. UPGRADE PICK: Cub Cadet Ultima ...Apr 19, 2023 · By Lyle Weischwill. Fuel system problems often cause the engine to stall, so you'll need to rebuild or replace the carburetor if your lawn mower won't stay running. Our fuel, ignition and compression problems video provides additional tips for troubleshooting fuel system problems. Some engines stall if the gas cap vent gets clogged. To check if the flywheel is broken, remove the flywheel and inspect the flywheel key. Fix: Replace the broken flywheel key. 2. No Fuel in the Fuel Tank. Another main reason why your Scag mower won’t start is if your tank is empty. Empty fuel tanks can halt operations, cause sub-par performance and make rough sounds.A lawn mower that won’t start can be baffling, especially if you don’t know much about engines. Most people learned the workings of the combustion engine in high school during science class. Vague memories of Nicolaus Otto’s 1876 early engines certainly won’t help get your lawn mower up and running again.Lawn mowers won’t turn over trouble is not a new thing among the mower user community, and sometimes, easy DIY fixing techniques can save both your time and money. Initially, the entire troubleshooting process might seem a bit complicated, but if you follow all the instructions given in today’s article, you can fix the problem easily and ... To fix the fuel system of your lawnmower you must remove the air cleaner. Then inspect the choke plate which is mounted on a shaft at the opening of the throat of the carburetor. The choke plate must be free of dust, must move freely and close easily. A greasy choke plate won’t let your lawnmower stay running. Mar 15, 2022 · 4. Check the Oil Level. Photo: triocean / iStock / Getty Images Plus. Lawn mowers need oil just like cars—and that oil can also become contaminated with rainwater. If your lawn mower won’t start, check to make sure you have enough oil. If the oil has turned milky white, it’s a sign that water has contaminated it. 5. Step 3- Checking on the Fuse: The fuse is located right next to the starter solenoid, so pull the battery and battery box off to access the fuse. Next, move the Zip tie over and pull the fuse from the holder. If it looks broken, replace the Fuse. If you are confused either it’s bad or good see the image below.Step 4- Test the lawn mower again: Check by letting go of the lever and if so, putting it back together to test whether the motor is turning off or not. Next, reinstall the engine shroud back on and tighten the screws securely. Let’s test it now, and if this time it is working, you are good to go. 15 - Lawn Mower Recoil Starter Pulley. The recoil starter pulley winds up the starter rope when the rope is not in use. If the recoil pulley is broken or stuck, it won't be able to rewind the starter rope. As a result, the engine won't start. If the recoil starter pulley is broken, replace it. Required Part.May 20, 2018 · If your lawn mower won't start or doesn't stay running, it may just be some gunk in the carburetor. This is the quick backyard way to clean out your lawnmowe... May 1, 2017 · Find replacement lawn mower parts:https://www.repairclinic.com/Shop-For-Parts/a21/Lawn-Mower-Parts?TLSID=?1894Lawn mower won't start? This video provides inf... Aug 30, 2023 · BEST OVERALL: John Deere 42-Inch S130 Lawn Tractor. RUNNER-UP: Husqvarna TS 354XD Riding Lawn Mower. BEST BANG FOR THE BUCK: Troy-Bilt Bronco 42 Riding Lawn Tractor. UPGRADE PICK: Cub Cadet Ultima ... STEP 1: Check if your mower has gas and oil. Look for the large black cap on the top of the mower engine (it should have an imprint of a gas tank on it). Unscrew the cap and peer inside to see if ...The grass doesn’t just stop growing. An Ariens lawn mower won’t start when there is a lack of fuel due to old gas, a clogged fuel line, a dirty carburetor, a faulty fuel pump, or a bad fuel cap. It also won’t start when there is a lack of air or spark due to a plugged air filter, an incorrect choke setting, a bad spark plug, a faulty ...Find replacement lawn mower parts:https://www.repairclinic.com/Shop-For-Parts/a21/Lawn-Mower-Parts?TLSID=?1894Lawn mower won't start? This video provides inf...Fixing a Lawn Mower That Won’t Start After Running (The Short Explanation) A lawn mower that won’t start after running usually has an issue with a heat-related problem. Internal and external cooling, altered air-to-fuel mixture, expanded components, and reduced electrical current can all be affected by a lawn mower getting hot.Craftsman Mower won’t Start with Water in the Fuel. The presence of water in your fuel tank is another common reason your lawn mower won’t start. Your mower’s fuel gets contaminated by fuel typically by leaving it outside in the rain or snow, or condensation can occur if your mower is stored in a cold or damp environment.15 - Worx Lawn Mower Recoil Starter Pulley. The recoil starter pulley winds up the starter rope when the rope is not in use. If the recoil pulley is broken or stuck, it won't be able to rewind the starter rope. As a result, the engine won't start. If the recoil starter pulley is broken, replace it. Required Part.1. Insufficient Battery Power or Connection Issues. Sometimes, your Toro mower won’t start because of its battery. Think of the battery as its power source, like the heart of your mower. If the battery is weak or not connected properly, your mower can’t wake up and get to work.6 Bail – Check that the bail lever cable is tight. If not, adjust it. Most models will have an adjuster at the handlebars or at the engine. If the bail lever isn’t pulling all the way, the mower won’t start. 7 Switch – The bail lever is connected to the engine brake, which usually incorporates a simple on-off switch.May 11, 2022 · There are numerous reasons why your riding lawn mower might not start because of fuel. Two of the most commonly found issues are that the lawnmower is out of fuel or that the fuel is too old or the wrong kind. These problems are usually easy enough to solve. Out of fuel. As with any other machine that uses fuel, it is essential to check the ... Aug 24, 2021 · The Most Likely Issues. When your Troy Bilt Bronco mower will not start, there are generally two issues at hand: the battery and the solenoid. Your mower’s engine works in quite a similar fashion to that of the average car. There are a few differences to note, but the general principle is the same. The battery. Jan 8, 2023 · Fix: Replace the broken flywheel key. 2. No Fuel in the Fuel Tank. Another main reason why your Mtd mower won’t start is if your tank is empty. Empty fuel tanks can halt operations, cause sub-par performance and make rough sounds. It is important to always check your fuel level regularly before you start the machine. Jan 8, 2023 · To check if the flywheel is broken, remove the flywheel and inspect the flywheel key. Fix: Replace the broken flywheel key. 2. No Fuel in the Fuel Tank. Another main reason why your Honda mower won’t start is if your tank is empty. Empty fuel tanks can halt operations, cause subpar performance and make rough sounds. I went to test the mower. I started the mower and pressed the brake pedal and put it in reverse. The mower shifter locked in reverse at this point with the brake pedal pressed I could not shift out of reverse. I let off the brake pedal and started moving in reverse. While moving I was able to shift to neutral or any other gear.Jun 22, 2023 · Connecting the Battery. If your battery wasn’t already connected when you received your mower, you will need to grab a couple of tools and make the connection yourself. First, make sure the mower is switched off. Then, use either a screwdriver or socket wrench and remove the terminal nut and bolt. Step 3- Checking on the Fuse: The fuse is located right next to the starter solenoid, so pull the battery and battery box off to access the fuse. Next, move the Zip tie over and pull the fuse from the holder. If it looks broken, replace the Fuse. If you are confused either it’s bad or good see the image below.Won’t Move Forward or Reverse. A mower may not move due to a bad or missing drive belt, worn tensioner pulley, or missing idler spring. The transmission bypass rod and the drive release lever may be in the wrong position on your hydrostatic mower. Detailed information can be found at: Why Your Cub Cadet Lawn Mower Won’t Move or Go ForwardAnswer: To fix a Yard Machine Lawn Mower that won’t start, start by checking the fuel level and quality, ensuring the spark plug is clean and properly connected, and inspecting the air filter for any clogs. Additionally, consider checking the oil level, fuel filter, and the mower’s safety interlock system.Step-by-Step Mower Repair. Remove the starter cord from the pull handle. Remove three or four screws holding starter assembly on (instructions follow on recoiling the spring). Gently tap on the cap of the starter clutch (see photo). Remove starter clutch assembly.Aug 25, 2021 · Pull out the dipstick to check the oil level. Add more oil if your mower needs it. Look for a handle near the top or on the side of your mower’s engine. Pull the handle to slide out the dip stick. Wipe the stick on a clean cloth, reinsert it into the mower, then slide it out again to check the oil level. Jul 4, 2015 · The gear shifter doesn't affect the clutching idler. The clutch pedal does. If you cannot put it in gear, the belt is running all the time not giving the transmission a chance to move into gear. If the belt were released, it would allow the tranny to be shifted. If the clutching idler does not move when you press the clutch, you cannot shift. Remember that keeping your lawn mower well maintained will help to ensure it performs to the best of its ability. Toro Mower Won’t Start (Solved) 15 Reasons Your Toro Lawn Mower Won’t Start. 1. No Gas In The Fuel Tank. 2. Fuel Valve On Your Toro Mower Is In The Off Position. 3. Damaged Carburetor.When the lawn mower doesn’t get enough fuel, it won’t run. Some mowers have a hole in the gas cap. If this hole becomes clogged, the lawn mower won’t function properly. Therefore, check the hole in your lawn mower cap to make sure it’s clean. Next, check the filter on the gas tank. If it’s filled with gunk, use a wire brush to gently ...Jul 17, 2023 · Generally, the mixture of air and gas is what regulates the combustion of your Toro lawn mower. Because of this, deposits from bad gas or old fuel in the carburetor are likely the main culprit why this lawn mower won’t start . If you have mechanical knowledge in handling Toro mowers, cleaning the bad gas away by yourself isn’t so much of a ... Jan 21, 2023 · To check if the flywheel is broken, remove the flywheel and inspect the flywheel key. Fix: Replace the broken flywheel key. 2. No Fuel in the Fuel Tank. Another main reason why your Murray mower won’t start is if your tank is empty. Empty fuel tanks can halt operations, cause sub-par performance and make rough sounds. Jul 17, 2016 · The crankshaft in a lawn mower sites vertically. At the bottom there is the blade. At the top there is a flywheel. The flywheel serves two purposes. 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. Sep 24, 2020 · White or blue smoke may indicate an oil spill on the engine. If you’ve recently changed the oil in your mower and the engine is emitting white or blue smoke, it’s possible that some of the oil ... Aug 21, 2021 · Sometimes when your lawn mower won’t start, the issue can be as simple as a filter or a plug. In some cases, however, it may be more involved. If your mower isn’t starting, investigate the basics of what makes it work — spark, fuel and air — and see if you can fix the problem yourself before calling a repair shop. To check if the flywheel is broken, remove the flywheel and inspect the flywheel key. Fix: Replace the broken flywheel key. 2. No Fuel in the Fuel Tank. Another main reason why your Scag mower won’t start is if your tank is empty. Empty fuel tanks can halt operations, cause sub-par performance and make rough sounds.2. Bad Spark Plugs. A bad spark plug is another common reason why your lawn mower won't start. The spark plug is the component of your engine that creates the spark which ignites the gasoline. If you have the user manual, look up where the spark plugs are located. Make sure you handle the spark plugs carefully.A hydrostatic riding lawn mower won’t move forward or reverse due to a bad drive belt; bad tensioner pulley; broken tensioner spring; old, low, or hot hydraulic fluid; air in the hydraulic system; or the drive release lever in the bypass position. I’ll share with you items to check in your hydraulic system along with some non-hydraulic ... The gear shifter doesn't affect the clutching idler. The clutch pedal does. If you cannot put it in gear, the belt is running all the time not giving the transmission a chance to move into gear. If the belt were released, it would allow the tranny to be shifted. If the clutching idler does not move when you press the clutch, you cannot shift.It happens to the best of us. Your mower won’t start after leaving it in the rain because water may have gotten into the engine oil, fuel system, and electrical components like the ignition switch, safety switches, and spark plug boot. Lawn mowers are not waterproof, but they can get wet. Some parts of your lawn mower can take a little bit of ...I have a Toro Recycler, which came with the house when I bought it. The house was purchased in 2016 and I'm going to guess the lawn mower was purchased in the 2012-2013 range. The mower turns but won't start. More specifically, it sounds like it's very close to starting but it doesn't get there.Sep 24, 2020 · White or blue smoke may indicate an oil spill on the engine. If you’ve recently changed the oil in your mower and the engine is emitting white or blue smoke, it’s possible that some of the oil ... Sometimes when your lawn mower won’t start, the issue can be as simple as a filter or a plug. In some cases, however, it may be more involved. If your mower isn’t starting, investigate the basics of what makes it work — spark, fuel and air — and see if you can fix the problem yourself before calling a repair shop.To start, tap the side of the carburetor to help the flow of gas. If that doesn’t work, you might have a clogged filter. Not all lawn mowers have a fuel filter, but for the ones that do, it’s usually located in the fuel line or the fuel tank. To find out where the fuel filter is at, check your lawn mower’s owners manual, which will also ...Jan 7, 2023 · Another main reason why your Troy Bilt mower won’t start is if your tank is empty. Empty fuel tanks can halt operations, cause below par performance and make rough sounds. It is important to always check your fuel level regularly before you start the machine. Fix: Fill and drain the fuel tank with fresh unleaded gas that has an 87-grade ... Jul 31, 2014 · Folks, if this helped you, please consider supporting my channel. Even the smallest amounts help! On my main page, there is a DONATE TO DANDLINC link on th... Fixing a Lawn Mower That Won’t Start After Running (The Short Explanation) A lawn mower that won’t start after running usually has an issue with a heat-related problem. Internal and external cooling, altered air-to-fuel mixture, expanded components, and reduced electrical current can all be affected by a lawn mower getting hot.3. Check the Breaker and Motor Control Switch. If there isn’t a problem at the outlet or breaker and the cord successfully powers something other than the mower, then the issue is probably at the mower itself. At this point, check the connection at the mower again to make sure it’s tight and holding firm.May 31, 2023 · Won’t Move Forward or Reverse. A mower may not move due to a bad or missing drive belt, worn tensioner pulley, or missing idler spring. The transmission bypass rod and the drive release lever may be in the wrong position on your hydrostatic mower. Detailed information can be found at: Why Your Cub Cadet Lawn Mower Won’t Move or Go Forward Step 4- Test the lawn mower again: Check by letting go of the lever and if so, putting it back together to test whether the motor is turning off or not. Next, reinstall the engine shroud back on and tighten the screws securely. Let’s test it now, and if this time it is working, you are good to go. Ryobi 40v Lawn Mower Won’t Start. If your Ryobi 40v lawn mower refuses to start, the common culprit is often a depleted or damaged battery. Begin by ensuring the battery is adequately charged and in good condition. Check for loose connections and damaged wiring, which can also hinder the starting process.STEP 1: Check if your mower has gas and oil. Look for the large black cap on the top of the mower engine (it should have an imprint of a gas tank on it). Unscrew the cap and peer inside to see if ...5 Steps to troubleshoot a lawn mower that won’t prime: Reportedly, it’s a common issue that almost every lawn mower user encounter sooner or later. But imagine you are all set to mow your lawn or garden on a perfect day, and when you attempt to start the mower, it won’t prime as well as there’s no sign of fuel coming out.Won’t Move Forward or Reverse. A mower may not move due to a bad or missing drive belt, worn tensioner pulley, or missing idler spring. The transmission bypass rod and the drive release lever may be in the wrong position on your hydrostatic mower. Detailed information can be found at: Why Your Cub Cadet Lawn Mower Won’t Move or Go ForwardJun 22, 2023 · Connecting the Battery. If your battery wasn’t already connected when you received your mower, you will need to grab a couple of tools and make the connection yourself. First, make sure the mower is switched off. Then, use either a screwdriver or socket wrench and remove the terminal nut and bolt. Sep 3, 2023 · Answer: To fix a Yard Machine Lawn Mower that won’t start, start by checking the fuel level and quality, ensuring the spark plug is clean and properly connected, and inspecting the air filter for any clogs. Additionally, consider checking the oil level, fuel filter, and the mower’s safety interlock system. 15 - Poulan Pro Lawn Mower Recoil Starter Pulley. The recoil starter pulley winds up the starter rope when the rope is not in use. If the recoil pulley is broken or stuck, it won't be able to rewind the starter rope. As a result, the engine won't start. If the recoil starter pulley is broken, replace it. Required Part.Lawn Mower Loses Speed. If your mower slows noticeably during use, check the blade. Any buildup of dirt and grass clippings can restrict the blade’s movement, causing the engine to work harder. Shut off the mower, disconnect the spark plug wire, then turn the mower over. Clean dirt and grass from the blade and underside of the mower deck.Step 1- Removing the Top Shroud Cover: First, remove the three Torx screws on top of the Shroud cover. Now that both screws are off at the back, you just have one left in the front end. So, remove the screw, and the cover will come off. Tips: while removing the top shroud cover, you have to pry up a bit and be careful because the fuel line and ...Hold the spark plug against the metal engine with the help of insulated pliers. Note that the spark plug must always be fully grounded when in contact with the engine. Step 1: Replace the plug with a test plug. Step 2: Check for spark. Step 3: Get somebody to start the mower while you observe the spark.Sep 4, 2023 · 1. Insufficient Battery Power or Connection Issues. Sometimes, your Toro mower won’t start because of its battery. Think of the battery as its power source, like the heart of your mower. If the battery is weak or not connected properly, your mower can’t wake up and get to work. A lawn mower that starts and won’t stay running isn’t getting sufficient air, fuel, and spark. This can be due to old fuel, clogged fuel line, plugged fuel filter, dirty carburetor, plugged air filter, bad spark plug, faulty ignition coil, clogged fuel cap, or an incorrect choke setting. Performing routine maintenance on your lawn mower can ...It happens to the best of us. Your mower won’t start after leaving it in the rain because water may have gotten into the engine oil, fuel system, and electrical components like the ignition switch, safety switches, and spark plug boot. Lawn mowers are not waterproof, but they can get wet. Some parts of your lawn mower can take a little bit of ...
Follow along this DIY video to troubleshoot and learn when it's best to service your mower. First step, check the fuel tank to make sure there is enough fuel to operate your snow blower. You should see fuel slosh around. Second step, check the spark plug. A wet plug means there’s fuel going through the fuel system and there may be an issue .... Bikini victoria
If your battery is flat, or overheated, that could be the problem. Let the battery cool down and charge it. If the battery is freshly charged and tests good in the charger, it’s not the battery. But if the mower was working and stopped suddenly, this is a very common reason. Let the battery cool down and then charge it.I have a Toro Recycler, which came with the house when I bought it. The house was purchased in 2016 and I'm going to guess the lawn mower was purchased in the 2012-2013 range. The mower turns but won't start. More specifically, it sounds like it's very close to starting but it doesn't get there.When a riding mower won’t move forward or reverse, things can get very dicey. Sadly, this can be caused by a wide variety of different things…. Inspect the fuel filter for blockages and clean it if your mower won’t move forward or reverse. Clean your air filter if it is clogged or replace it if it is damaged so the mower can operate properly.Generally, the mixture of air and gas is what regulates the combustion of your Toro lawn mower. Because of this, deposits from bad gas or old fuel in the carburetor are likely the main culprit why this lawn mower won’t start . If you have mechanical knowledge in handling Toro mowers, cleaning the bad gas away by yourself isn’t so much of a ...Sep 24, 2020 · White or blue smoke may indicate an oil spill on the engine. If you’ve recently changed the oil in your mower and the engine is emitting white or blue smoke, it’s possible that some of the oil ... STEP 1: Check if your mower has gas and oil. Look for the large black cap on the top of the mower engine (it should have an imprint of a gas tank on it). Unscrew the cap and peer inside to see if ...The grass doesn’t just stop growing. An Ariens lawn mower won’t start when there is a lack of fuel due to old gas, a clogged fuel line, a dirty carburetor, a faulty fuel pump, or a bad fuel cap. It also won’t start when there is a lack of air or spark due to a plugged air filter, an incorrect choke setting, a bad spark plug, a faulty ...Proper storage. When storing your mower for an extended period, make sure the fuel cap is well-tightened to prevent fuel evaporation and contamination. 4. Bad Spark Plug or Loose Connection. Another common reason why your trusty Murray lawn mower might refuse to start is a bad spark plug or a pesky loose connection.I went to test the mower. I started the mower and pressed the brake pedal and put it in reverse. The mower shifter locked in reverse at this point with the brake pedal pressed I could not shift out of reverse. I let off the brake pedal and started moving in reverse. While moving I was able to shift to neutral or any other gear.Step 4- Test the lawn mower again: Check by letting go of the lever and if so, putting it back together to test whether the motor is turning off or not. Next, reinstall the engine shroud back on and tighten the screws securely. Let’s test it now, and if this time it is working, you are good to go.15 - Poulan Pro Lawn Mower Recoil Starter Pulley. The recoil starter pulley winds up the starter rope when the rope is not in use. If the recoil pulley is broken or stuck, it won't be able to rewind the starter rope. As a result, the engine won't start. If the recoil starter pulley is broken, replace it. Required Part. Jun 20, 2023 · There might be a chance that your lawn mower won’t turn over with a new battery because there’s actually an issue with the new battery. So, I use a 12v/6v DC selectable battery tester that I picked up at Harbor Freight for $20 to test my battery. This kind of tester allows you to test the battery at rest and when it’s under load. Aug 30, 2023 · BEST OVERALL: John Deere 42-Inch S130 Lawn Tractor. RUNNER-UP: Husqvarna TS 354XD Riding Lawn Mower. BEST BANG FOR THE BUCK: Troy-Bilt Bronco 42 Riding Lawn Tractor. UPGRADE PICK: Cub Cadet Ultima ... Apr 11, 2023 · 2. Bad Spark Plugs. A bad spark plug is another common reason why your lawn mower won't start. The spark plug is the component of your engine that creates the spark which ignites the gasoline. If you have the user manual, look up where the spark plugs are located. Make sure you handle the spark plugs carefully. To fix the fuel system of your lawnmower you must remove the air cleaner. Then inspect the choke plate which is mounted on a shaft at the opening of the throat of the carburetor. The choke plate must be free of dust, must move freely and close easily. A greasy choke plate won’t let your lawnmower stay running. The carburetor might be clogged and dirty. One inconvenient reason a lawn mower won’t stay running is a problem with the carburetor, which mixes the air and fuel for internal combustion. The ....