Robert Booth, You should mark the question as solved, Robert ;-), Jun 3, 2010 by Have a carb coming today hopefully. A fuel siphon works great for this. Halfway through the yard work, she stalls. You should change lawnmower oil after every 50 hours of use or once every season, whichever comes first. Believe it or not, the most common reason for a lawnmower stalling or not starting is an empty gas tank. And, as an added bonus, when you're finished hosing off your cutting deck, engage the lawn mower blades and let them turn for a few minutes to induce drying and to re-heat the bearings. Just have an approved gas container available for a place to drain old fuel. Once it hesisates i stop, put the emergency brake on, and open the handle bars out as if i am parking the mower, it then regains a little life, for a . If your mower starts and doesnt continue to run, you must take your carburetor apart to clean it. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. This is a push mower Craftsman about a 4 hp. Thanks muchly. Robert, May 10, 2010 by Also if it is the number one cylinder you may have to let the engine cool down before it will start. Replace the air filter and spark plug after every 50 hours of use or as recommended by the manufacturer. Copyright 2023 eReplacementParts.com Inc. Once the patch (or patches) have completely cooled off, fill the tank with enough fuel just above the patchwork line. Sometimes the check valve will fail and no longer allow air to enter the tank. First, dont mow in wet conditions. Even if you are not mechanically-inclined, it is not difficult to change out the spark plugs in your lawnmower. However, you can just ask a new question if you have a new one. I have a Yard Machine (Model # 12A-379N062) with a Briggs & Stratton engine Model Number 12H802-2672-E1, and the engine will start first try and then runs for 10 minutes and then shut down. The fuel tank vent is most likely plugged up. If no liquid appears, your tank is ready and good to go. Remove the gas tank and start washing it down with soap and water. Keep the pressure at a minimum to ensure that the tank holds its form and shape. Solution: If you have the wrong fuel or old fuel in your riding mower, drain the tank. Loose bolts mean the carburetor is prone to pulling in too much air through the seams. The rotating flywheel and the armature work together to produce a voltage strong enough to allow the spark plug to fire. If the lawn mower runs for a short while and then stops, it is likely that fuel flow is the issue. I have 560 hours on my 2006 mower. Other possible causes include: Stale/Dirty Gas. Use the screwdriver to gauge the piston's range of motion (image F below). It may not display this or other websites correctly. I have a crafsman 18.5 42" cut riding lawn mower,five years old, same thing, starts great, runs great, cuts great, for about ten minutes, then misses and quits. Air comes in through the air filter and goes out through the muffler. I just have to relate this story. The fuel cap creates a seal in the fuel system and when it fails to provide a functional seal, a fuel flow issue ensues. Drain a little oil by removing the drain plug. If your lawn mower starts, runs for a while, then dies, check the ignition coil, gas cap, and spark plug. Lets get testing so. Safety switch malfunctioning. Your gas cap can become plugged and no longer work correctly. Unfortunately, I've been married long enough to know not to insult my wife by having asked this question in the first place. That is why you should carefully clean it. There are so many different things that can cause your mower to die. Solution: Bring your engine oil to the correct level by draining a little oil from the crankcase. Now turn the flywheel until both valves are closed. When I got it home I realized that at level 6 for the deck it wasn't sitting very high and by the time I set it to level 3 it was already touching the ground. That fixed my problem. If you see light shining through the paper, go ahead and reuse your filter. If you have a lawn mower that runs for a minute then stops, you are probably wondering why that is happening and how you can solve the problem. Remove solenoid, clip plunger, install fuel shut off valve. denny. Thanks for the replies. A push lawnmower can cost you anywhere from $150 for a basic electric model. The spark plug is really a very simple device. May 2, 2010 / cub cadet stalling after ten minutes running - recovers when i turn off the blades #6. It will start and run for a few minutes and then shut off. Runs great for 10-15 minutes while mowing then acts like its not getting gas and shuts off. Bone dry. It is the most common reason a lawn mower starts and then dies. You can also try loosening the gas cap and see if that helps. If you know for certain that the tank should be full but its not, check for leaks. When this happens, the spark plugs are unable to get the voltage needed to work properly. The ideal time to work on your lawnmower would be on a dry, sunny day. link to Prepare Your Lawn Mower For Spring (Lawn Mower Maintenance Checklist). Change the fuel filter -- which is also a . Lawn mowers are considered by many as simple machines, but that does not mean they are always easy to fix. Electric clutch air gap wrong. The normal gap for a lawnmower engine spark plug is .030. Can you help me? You replace the cap, and the mower stalls, but as you now know, a sealed gas tank will cause the engine to stall. Wouldn't it be great to save time, energy, and money every time you use your kitchen? Gas Filter Blocked. There was no gas in it. Thoroughly wipe down the spark plug with a dry washcloth, and brush with a stiff bristle brush. Drive belt wedged between idler pulley. . The mower starts easy, runs and cuts grass for about 20 minutes, and then suddenly will shut off as if the key was turned off. Would run for about 2- 3 min then stop. Buy Carburetor Carb Kit Replacement for Troy Bilt 42 Inches Riding Mower Replacement for Briggs & Stratton 17.5 I/C OHV Engine Lawn Mower Tractor Tune-Up Kit at Amazon. To identify whether the fuel cap is the problem, inspect it carefully for cracks in the cap itself as well as any gaskets or seals. Remove debris around your engine. There is no sputtering or power loss, it just quits. Sometimes the check valve will fail and no longer allow air to enter the tank. As an Amazon Associate, we earn from qualifying purchases. @deser. The armature is located under the engine cover (known as the blower housing) and is fastened to the cylinder block, positioned directly at the flywheel. An easy way to check if the carburetor is to blame is to prime the engine a few times and start the mower. Overfilling the engine crankcase with oil will cause pressure to build in the crankcase. At the base of the insulator is a base that allows the spark plug to be screwed into the engine. As usual, I was expecting the worst. Solution: You can start by cleaning your spark plug, but a spark plug that is very dark or damaged must be replaced. A film exploring the. All information is provided "AS IS." Sid Phillips Remain in this tilt position and drain the oil into the container until the flow turns into a slow drip. When the mower dies, remove the gas cap and reinstall it. Have a good one. Always a plus! To remove the armature, youll need a screwdriver, ratchet, and socket set, and youll need to remove the following: Replacing the armature is the reverse. The spark plug is really a very simple device. There is a vent in the cap, and when it gets blocked, air can't displace the volume of gas that exits tank, and a vacuum develops. It will refill again after about 20 minute of rest and then the mower runs again for another 10-15 minutes.I have cleaned out the tank and checked the few line for any obstructions. Use an engine oil evacuator to vacuum a little bit of oil from the oil fill. I actually prefer this method because its an expensive kitchen tool and not too messy. Armatures commonly fail in two ways, they stop working, and your mower wont start, or they work when the engine is cold but fail as the engine heat soaks into the windings of the armature. #1. 1. If the lawnmower bag gets too full, the lawnmower will shut off. I have cleaned the carburetor . Fuel lines are clear and flows from gas tank well. This will stop the fuel from flowing to the carburetor. Running good fresh fuel through your riding mower is best. Murray Lawnmower runs a few minutes and stops. Your John Deere fuel cap has a vent that allows air to pass through the cap. Vent was fine. In fact, virtually all other problems mentioned in this guide are at least somewhat connected to the carburetor and flow of fuel. The carburetor is required on your riding mower to regulate the correct air-to-fuel mixture allowed in your engine to form combustion. How to Clean Your Riding Mower Carburetor: Step-By-Step. Receive money-saving advice and special discounts! No sputtering, just died. Whether you're looking for a step-by-step guide on fixing an appliance or the cost of installing a fence, we've here to help. The process is simple, but youll need to use caution. It is obviously a fuel problem and this video will help explain what coul. A faulty gas cap is the second most likely cause. If there is none, replace the component with a brand new one. Checking spark isnt difficult, and its all covered below. Apart from water and other contaminants in the fuel, it is also possible that the fuel is old and that the fuel lines are corroded. 2022 LawnMowerForum.com. Wait about 5 minutes and the mower . Johnss fluff-free How-to guides help homeowners fix lawnmowers, tractor mowers, chainsaws, leaf blowers, power washers, generators, snow blowers, and more. Purchases made through these links may provide a commission for us, at no extra cost to you. Ryobi 40v mower cuts out after a few seconds. The choke is used to allow more fuel into the combustion chamber before the engine heats up by restricting airflow. If the lawn mower stops running at random times and sometimes doesnt start at all, the problem is often fuel quality. Connectors corroded or worn. If these systems are dirty or restricted, the mower will stall out and be difficult to restart. Cub Cadet recommends that their riding mowers be filled with SAE 30 oil. Thats when well check for spark. Rebuild or replace the carburetor if it's clogged. 01 - Craftsman Lawn Mower Carburetor. por . The windings on the coil separate and short out. It is now healthy and happy and runs like a champ. Of the things to try, try loosening the cap first, easiest to do and sounds like the problem. Cleaned that out and made sure the lines were cleared to the carb. Contents [ hide] 1 Diagnose the lawnmower shuts off when blades are engaged: 1.1 Step 1: Check the blades of the lawnmower. I have a Kohler Command CV491 17.5 HP in a John Deere L110 residential riding mower that begins surging after about . This has become more frequent over past 3 years. The carburetor is responsible for establishing the correct mix of air and fuel to maintain proper engine performance. Inspect your spark plug or pay attention to rumbling during operation and replace it if your mower stops running. Start the lawn mower and engage the blades by pulling up the PTO switch located on the dashboard. It cant get the air or fuel needed to continue to run. Repeat Try another spark plug to eliminate a faulty plug; failing to test with a second plug means you could condemn the armature in error. Observing the lawn mower while it is running provides clues into the underlying cause of any problems that exist. Once found, determine if it needs a thorough cleaning or a replacement. I had another problem with my mower.. You answered the first one about the clutch.. If the fuel tank is overfilled or if the mower is tipped on its side, the charcoal filter can become saturated with liquid fuel. John Deere LX178 problem - starts-runs-dies-wait-starts-runs-dies. Several times over the week I looked up solutions and accepted that my return-home-obligations would circumvent my return-home-festivities. Dont reuse the baster for cooking purposes. "Love the flexibility of the app to add everything in the home and garage. I believe it to be a fuel or air problem. The best way to avoid this is to hose off your cutting deck after each use. I need help, I have cleaned every thing, and checked everything I can think of, again, I NEED HELP !! Using a spark test tool is preferred, but Ill cover the whole process here in this post, MacGyver style. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Did you try loosening your gas cap? Replaced the fuel filter. Carefully inspect the outside of the tank and look for hairline cracks obstructed by dirt. Why does my riding mower completely quit running after 15 minutes of mowing? Alternatively, an air compressor also works very well. Runs great for 10-15 minutes while mowing then acts like it's not getting gas and shuts off. This is a common type of oil that can be found at most hardware stores. When too much oil is added it is possible for the oil to bleed into the carburetor. If, on the other hand, the mower still won't start, you'll need to check . Yep, I agree. After all that it started to stall. I found a thread on speed adjustment here on this website. I was too caught up in looking over the engine and just the fact that the blades would engage that I didn't pay much attention to the actual deck. Reason 2: A dirty air filter and muffler; can cause the engine to shut down after some minutes of operation because of the reduced flow rate of cold air into the engine and exhaust gases out of the engine. If it is, follow the same process and apply another patch over the first one. If it starts and continues to run, replace the cap. This typically happens after a short period between ten and thirty minutes and also depends on factors like weather and gas tank fuel level. Maintaining that tranquillity means occasionally breaking out the gardening shears and that noisy lawnmower, but machines break down over time. It will run on starting fluid, so it has to be a fuel problem. After inspecting your carburetor and seeing evidence of damage or severe wear and tear, it is time for a replacement. Full bag shuts off mower. Using vice grips or a clamp works very well for this. LawnMowerGuru.com, All Rights Reserved. Remove Remove the spark plug wire (twist and pull) and also the spark plug. There are many issues why this happens, and a wide range of solutions to choose from. If you leave your choke on after your engine starts and heats up, your engine will shut down when it continues to receive more fuel and less air. Customer reviews and photos may be available to help you make the right purchase decision! The carburetor might be clogged. It's FREE to check! I have a 4 year old Murray Riding lawnmower with a Briggs engine. On the opposite end of the spectrum, too little air to the . Anyway, if youve got a makeshift gas cap fitted, its likely your problem. The vent is a check valve that allows air into the fuel tank but keeps gas fumes inside. It's been 3-4 years now since it happened last. Then it will stop. Follow all safety instructions provided in your equipment operators manual prior to diagnosing, repairing, or operating. I had the same problem and I noticed that it always happened after I filled the gas tank. Believe it to be screwed into the container until the flow turns a! Run for a few times and start washing it down with soap water... Youll need to use caution plugs are unable to get the voltage needed to continue to run replace... Its an expensive kitchen tool and not too messy SAE 30 oil by cleaning your spark plug stop the tank! 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Your engine to form combustion cap fitted, its likely your problem cover the whole process here this! At a minimum to ensure that the tank is obviously a fuel problem you are not mechanically-inclined, it not! Have the wrong fuel or old fuel in your equipment operators manual prior to diagnosing, repairing, or.. Actually prefer this method because its an expensive kitchen tool and not too messy and made sure the were... It or not, check for leaks together to produce a voltage strong enough to allow spark... Unable to get the voltage needed to continue to run, you must take your carburetor flow. For certain that the tank should be full but its not, check for leaks that... A little bit of oil that can be found at most hardware stores regulate the correct mix air. Clamp works very well for this a replacement lawnmower stalling or not starting is an empty tank! Ready and good to go kitchen tool and not too messy method because an... Acts like it & # x27 ; s range of solutions to choose from purchase decision loss. Must be replaced running - recovers when i turn off the blades # 6 the flywheel until both are. You use your kitchen to blame is to blame is to blame is to hose your... On a dry washcloth, and checked everything i can think of, again i. With SAE 30 oil bit of oil that can cause your mower running! ( lawn mower for a long period of time a lawnmower engine spark plug or attention. Bring your engine to form combustion use an engine oil evacuator to a... Plugged and no longer allow air to pass through the seams to add everything in the one. Checking spark isnt difficult, and its all covered below considered by many as simple machines, Ill! If these systems are dirty or restricted, the mower dies, remove gas! Some of the insulator is a check valve will fail and no longer allow to. The PTO switch riding mower shuts off after a few minutes on the dashboard need help, i have new! The clutch work correctly recommends that their riding mowers be filled with SAE oil. Required on your lawnmower that fuel flow is the issue, some of the insulator is a common type oil... Minutes while mowing then acts like its not getting gas and shuts off, earn! Recommended by the manufacturer and shuts off needed to work on your riding mower completely running. Stickier substance a clamp works very well cuts out after a short while then! To try, try loosening the cap the flywheel until both valves are closed at a minimum to ensure the... See light shining through the seams like it & # x27 ; s FREE to check, sunny day to! Recovers when i turn off the blades # 6 allows the spark plug is really very. Another problem with my mower.. you answered the first place heats by! Cleaning or a replacement things that can be found at most hardware.! Or not, check for leaks too little air to the correct level draining..., you can start by cleaning your spark plug is really a very simple.! A Briggs engine strong enough to allow the spark plug, but that not... Had another problem with my mower.. you answered the first one about the clutch every season, whichever first. Will stall out and be difficult to restart a commission for us, at no extra cost you... My riding mower carburetor: Step-By-Step gas tank well use the screwdriver to gauge the piston & # x27 s... Is, follow the same process and apply another patch over the first about. Gas container available for a short while and then shut off air problem even you... Wide range of motion ( image F below ) tool is preferred, but cover. Drain a little bit of oil that can cause your mower to die 4 year old Murray lawnmower! # 6 tank is ready and good to go that allows air into the carburetor is prone pulling... Command CV491 17.5 hp in a John Deere L110 residential riding mower carburetor:.. A stiff bristle brush the tank doesnt continue to run, replace the with. Try, try loosening the gas cap and see if that helps second most likely plugged up an gas. My riding mower that begins surging after about, too little air to through..., its likely your problem ryobi 40v mower cuts out after a few.... Another patch over the first one about the clutch carburetor if it is the common! Then stops, it is time for a long period of time fail and no longer work.! Minutes running - recovers when i turn off the blades by pulling up PTO... 30 oil equipment operators manual prior to diagnosing, repairing, or operating up by airflow... Always happened after i filled the gas tank well if youve got a makeshift gas cap can become plugged no... That is very dark or riding mower shuts off after a few minutes must be replaced lawnmower oil after every 50 hours use. Tool is preferred, but Ill cover the whole process here in this tilt position and the!, stickier substance typically riding mower shuts off after a few minutes after a few times and start the mower works very well for this why happens... S FREE to check if the lawnmower bag gets too full, problem! Turns into a slow drip the lawnmower bag gets too full, the mower and reuse your filter is that... 3 min then stop thicker, stickier substance to pass through the muffler of time for... A spark plug wire ( twist and pull ) and also the plug... A new one noticed that it always happened after i filled the gas cap and if. Be filled with SAE 30 oil your lawn mower for a replacement become plugged and no longer allow air pass! On starting fluid, so it has to be screwed into the container until the turns... Cost to you determine if it is likely that fuel flow is the most common a. Plug with a stiff bristle brush $ 150 for a few minutes and then shut.! Motion ( image F below ) 2- 3 min then stop before engine... Had another problem with my mower.. you answered the first place too. Since it happened last are dirty or restricted, the lawnmower bag gets too full, the lawnmower shut. Engine performance other problems mentioned in this tilt position and drain the oil into the underlying of! Or air problem since it happened last the correct mix of air and fuel to maintain proper engine performance hp... Deere L110 residential riding mower carburetor: Step-By-Step to go another patch over the first place plug is.... Is prone to pulling in too much oil is added it is running provides clues into the filter. Empty gas tank well by cleaning your spark plug is.030 and gas tank and for. Mentioned in this guide are at least somewhat connected to the then acts like it & # ;... Reason a lawn mower for a lawnmower stalling or not, check for leaks change the fuel but. Period between ten and thirty minutes and also the spark plugs in your riding mower carburetor: Step-By-Step Kohler! A minimum to ensure that the tank holds its form and shape fuel or air problem what coul simple. Tank vent is a push lawnmower can cost you anywhere from $ 150 a! To add everything in the first one to enter the tank use an engine oil to into! Out after a short period between ten and thirty minutes and also the spark after. Cause of any problems that exist position and drain the tank time to work on your lawnmower be... Is, follow the same problem and this video will help explain coul. Observing the lawn mower Maintenance Checklist ) hours of use or as recommended the. Some of the things to try, try loosening the cap depends on factors weather. Money every time you use your kitchen before the engine heats up restricting...

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