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. 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. 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.15 - Honda 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. 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-4: Clean the Mower Deck. Check the disconnected mower deck. Any debris on the deck can cause problems like unwell grass bagging. If there is an accumulation of grass on the deck, the grass might not go all the way to the bag after cutting. Therefore, clean the deck carefully with a scraper or pressure washer. 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.A fault in the ignition switch or wiring could also be why your lawn mower won’t start when hot. Electrical faults may prevent the spark necessary to ignite the fuel, causing starting problems. • Cooling Fins and Plastic Housing Upkeep. Another crucial aspect of lawn mower maintenance involves the cooling fins and plastic housing.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 ...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.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 ... 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.Mechanical components also include a differential and a drive axle. Failure of any one of these components will prevent the lawnmower from moving. Hydraulic fluid is passed through either high-pressure rubber or metal hoses; a leak from the hoses or any of the other components will also stop the hydrostatic transmission from working.Mechanical components also include a differential and a drive axle. Failure of any one of these components will prevent the lawnmower from moving. Hydraulic fluid is passed through either high-pressure rubber or metal hoses; a leak from the hoses or any of the other components will also stop the hydrostatic transmission from working.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.Jul 20, 2015 · 3) Clogged Fuel Filter. The purpose of the fuel filter is to filter out all of the sediment from the gasoline. This filter can get clogged up from normal sediment, or from stale gas containing ethanol. The lack of proper fuel flow to the carburetor will prevent your mower from starting. If this is the case, the fuel filter will need to be replaced. Best Overall: Cub Cadet XT1 Enduro LT46. Best Value: Troy-Bilt 30 in. 10.5 HP Briggs and Stratton Engine 6-Speed Manual Drive Gas Rear Engine Riding Mower with Mulch Kit Included. Best Lawn ...With the plug disconnected, tilt over the lawn mower so you can inspect the deck. Just remember to tilt the lawn mower over the correct way. Debris in the Lawnmower Deck. It’s as simple as it sounds. Something might be stuck in the deck, meaning the lawn mower blade won’t turn.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 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 ... 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. 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 ... 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.Best Overall: Cub Cadet XT1 Enduro LT46. Best Value: Troy-Bilt 30 in. 10.5 HP Briggs and Stratton Engine 6-Speed Manual Drive Gas Rear Engine Riding Mower with Mulch Kit Included. Best Lawn ...Feb 1, 2023 · 2. Bad or Old Gasoline. Using a gas that is either old or contaminated with excess moisture may make the mower not start. Over time, some of the ingredients in the gas may evaporate and leave a sticky substance that may clog the fuel system. Fix: Drain the old gas, flush the tank and add fresh gas. 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.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 ... 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. 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.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...15 - Honda 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. Toro Lawn mower won't start. Toro 6.5 not starting. How to fix a toro 6.5 push mower. Replacing a coil on a toro 6.5. How to fix a toro coil. Replacing a 6.5...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.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.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.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.3) Clogged Fuel Filter. The purpose of the fuel filter is to filter out all of the sediment from the gasoline. This filter can get clogged up from normal sediment, or from stale gas containing ethanol. The lack of proper fuel flow to the carburetor will prevent your mower from starting. If this is the case, the fuel filter will need to be replaced.Jan 12, 2022 · Common problems of mowing thick and tall grass. 1. Overload. Many lawnmowers consist of overload protection. The protection ensures that the massive quantity of long and thick grass does not start interfering with the motor or the other parts of the lawnmower. When the overload happens, the lawnmower will shut itself down. 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 ... 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.Jan 12, 2022 · Common problems of mowing thick and tall grass. 1. Overload. Many lawnmowers consist of overload protection. The protection ensures that the massive quantity of long and thick grass does not start interfering with the motor or the other parts of the lawnmower. When the overload happens, the lawnmower will shut itself down. Push Lawn Mower. Newly added gasoline is stale and won’t combust. Pinch off fuel line running to carburetor. Disconnect fuel line from carburetor and place the fuel line in a jar. Remove the pinch and allow the stale fuel to drain. Empty carburetor bowl of stale fuel. Reconnect fuel line and fill with fresh fuel. 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. 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. 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.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.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 Ariens 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. 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.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. 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.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 ...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 ...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.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 ... Here are the things to check when starting your battery/corded lawn mower at the start of the season if your lawn mower won’t start after sitting over winter. Charging the Batteries For you guys with battery-powered mowers, the first thing you will want to ensure is that the batteries are fully charged.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... 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.TimeMaster - Blade Drive System Maintenance. This video will show you how to maintain the blade drive system on your Toro TimeMaster lawn mower as referenced in your Owners Manual. The Toro 30” Timemaster is a great way to keep your lawn looking great and save you some “Time” doing it. For more lawn mower how-to videos go to. 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 ...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 ...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.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. 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 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. Jun 20, 2023 · 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. Follow step-by-step instruction to determine why your mower won't start: checking fuel levels, spark plug, carburetor and compression. 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. 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 ... 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.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.A fault in the ignition switch or wiring could also be why your lawn mower won’t start when hot. Electrical faults may prevent the spark necessary to ignite the fuel, causing starting problems. • Cooling Fins and Plastic Housing Upkeep. Another crucial aspect of lawn mower maintenance involves the cooling fins and plastic housing.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 ...4. Bad Spark Plug or Loose Connection 5. Clogged Air Filter 6. Clogged Fuel Filter 7. Clogged Fuel Line 8. Dirty Carburetor 9. Bad Battery or Loose Wiring (Electric Start) 10. Bad Ignition Switch (Electric Start) 11. 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.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 ... 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.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.
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 .... Michigan midday 3 and 4 digit lottery
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 ...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. 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.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.Push Lawn Mower. Newly added gasoline is stale and won’t combust. Pinch off fuel line running to carburetor. Disconnect fuel line from carburetor and place the fuel line in a jar. Remove the pinch and allow the stale fuel to drain. Empty carburetor bowl of stale fuel. Reconnect fuel line and fill with fresh fuel.Feb 1, 2023 · 2. Bad or Old Gasoline. Using a gas that is either old or contaminated with excess moisture may make the mower not start. Over time, some of the ingredients in the gas may evaporate and leave a sticky substance that may clog the fuel system. Fix: Drain the old gas, flush the tank and add fresh gas. 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 ...Oct 14, 2021 · 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. 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.Check if the spark plug is dirty or even properly installed. Additionally, the spark plug wire might not be touching the ignition, which will prevent the lawn mower from moving. If either of these is the case, it can cause it to stop running after a while. This is an easy fix; just clean the spark plug while making sure it is properly attached.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. 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.Sometimes, it really is a simple fix. Often, a frozen or stuck pull cord for a lawnmower is due to a blocked blade. In this case, the rear debris shield wa...Here's why this happens and what you can do: Dirty Air Filter on Your Lawn Mower: Clean or replace. Cutting Tall Grass: Raise the cutting height on your lawn mower. Dirty Spark Plug: Clean or replace. Build Up of Clippings & Debris: Clean underside of your lawn mower deck as noted above. Dull, Bent or Loose Mower Blade: Sharpen or replace.Sep 6, 2023 · 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. Common problems of mowing thick and tall grass. 1. Overload. Many lawnmowers consist of overload protection. The protection ensures that the massive quantity of long and thick grass does not start interfering with the motor or the other parts of the lawnmower. When the overload happens, the lawnmower will shut itself down..