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 ...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 ...That’s because every mechanical piece of equipment is going to experience failure with time due to wearing and damage caused by normal usage or lack of maintenance. A Yard Machines lawn mower won’t start when there is a lack of fuel, lack of air, or insufficient spark. This may be due to old gasoline; a dirty carburetor; a clogged fuel line ...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...2. Replace the fuel filter. If you own a Husqvarna mower and it won’t start, the most likely cause would be a clogged fuel filter. This usually happens if you’ve left fuel in your mower for long. The best fix is to drain off the old fuel from the gas tank and replacing the filter. 3.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.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.A lawn mower won’t start when there is bad fuel, a dirty spark plug, a plugged air filter, a clogged fuel system, a dirty carburetor, a clogged fuel cap, or a bad safety switch. A mower with an electric start may have a bad battery, loose or corroded wires, or a bad starter solenoid. If you are unsure of your mechanical skills, it’s best to ...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. 5. Clean and refill the lawn mower fuel tank. An obvious—and often overlooked—reason your mower may not be starting is that the tank is empty or contains gas that is either old or contaminated ...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.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.Problem #20– Improper Storage. Improper storage can lead to several issues with a Troy Bilt mower, resulting in it failing to start. Here are some reasons why: Old or contaminated fuel: If the fuel is left in the mower for too long, it can go stale or contaminated with water, leading to issues with the fuel system.Here’s a list of the five most common reasons that Honda mowers won’t idle: A bad throttle cable can be the root cause of your Honda’s troubles. It’s not too rare for an old throttle cable to need repairs or replacements. The main purpose of this part is to adjust the speed of the blade and engine.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 ... 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.5. Clean and refill the lawn mower fuel tank. An obvious—and often overlooked—reason your mower may not be starting is that the tank is empty or contains gas that is either old or contaminated ...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.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 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... 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... 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. 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.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.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. Reasons Why Your Lawn Mower Won’t Stop. Pulling the spark plug wire off is a quick-fix, but it’s a temporary solution. You need to get to the root cause to prevent your mower from failing to shut down every single time you use it. In my experience, the most likely scenario is either that you’ve bashed into something – fences, trees ...2. Replace the fuel filter. If you own a Husqvarna mower and it won’t start, the most likely cause would be a clogged fuel filter. This usually happens if you’ve left fuel in your mower for long. The best fix is to drain off the old fuel from the gas tank and replacing the filter. 3. 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.Apr 4, 2022 · 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. 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.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. 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 ...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 ...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 ... 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.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. 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. 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 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.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 ... 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.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.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.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 ...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 - 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 · 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. 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.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 ...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. 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 ForwardJul 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. 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.Apr 19, 2023 · 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. 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 ...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. Jun 20, 2023 · 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. 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. 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. 15 - Husqvarna 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 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 ...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.Whether in a gas can or in your mower, gas can go stale and lose its volatility in as little as 30 days. Using Sta-Bil Storage Fuel Stabilizer can increase storage time up to 24 months. Of course, many factors contribute to how long gas can be stored, including storage location, temperature, condition of the fuel container, and more.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. A neighborhood friend's mower won't start. Watch was we perform basic troubleshooting. Will it run again??This fix works for me 90% of the time. What abou...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.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. Reasons Why Your Lawn Mower Won’t Stop. Pulling the spark plug wire off is a quick-fix, but it’s a temporary solution. You need to get to the root cause to prevent your mower from failing to shut down every single time you use it. In my experience, the most likely scenario is either that you’ve bashed into something – fences, trees ...A clogged air filter or carburetor, insufficient or bad fuel in the tank and a problem in the ignition system are the main reasons a lawn mower won’t stay running even after starting well. NOTE: Always refer to your user manual when diagnosing or fixing a lawn mower. Additionally, shut off your lawn mower and disconnect the spark plug wire to ...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 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. 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. 15 - Husqvarna 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.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. 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.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. 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.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 ... A clogged air filter or carburetor, insufficient or bad fuel in the tank and a problem in the ignition system are the main reasons a lawn mower won’t stay running even after starting well. NOTE: Always refer to your user manual when diagnosing or fixing a lawn mower. Additionally, shut off your lawn mower and disconnect the spark plug wire to ...
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.. Sc lottery pick 3and4
At the same time, I completely drained my lawnmower’s gas tank of old gas so it wouldn’t cause any more problems. After the carburetor was done soaking, I dried it off then let it air dry for a day. Finally, I put the lawnmower back together, put some new gas in the tank and pulled the starter cord.May 23, 2022 · An Ego mower won’t start if the handle isn’t locked into one of the predefined operating positions, isn’t fully extended, the clamps aren’t locked, or the mower deck is clogged. That’s a handful. But all of these are fairly easy to fix. First, unlock the clamps, release the handle, then fully extend the handle and lock the clamps again. 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 ... 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 ...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 ...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 ...Whether in a gas can or in your mower, gas can go stale and lose its volatility in as little as 30 days. Using Sta-Bil Storage Fuel Stabilizer can increase storage time up to 24 months. Of course, many factors contribute to how long gas can be stored, including storage location, temperature, condition of the fuel container, and more.Jun 13, 2013 · 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. Hyper Tough Lawn Mower Won’t Start. Sometimes problem comes from simple things and it can be fixed quickly just like touching your hand. Check the Air Filter and Trigger Plug First. If your lawn mower doesn’t start, you should check the trigger first. It would be better if you check out the air filter before checking the trigger plug.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 ...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.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.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.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 ...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.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 ....