What Causes A Lawn Mower To Backfire When You Turn It Off

Best riding lawn mowers 2019 that we introduce in this article is an expensive machine with a price usually higher than $1000. Visit Cub Cadet for a great selection of premium riding lawn mowers, lawn tractors, zero turn mowers, snow blowers, parts and accessories. Locate the oil fill plug of your lawn tractor or push mower. How Does One Fix a Flooded Lawn Mower Engine? To start a lawn mower engine that has flooded, make sure that the tank still has enough gas in it, and then give the mower 15 minutes to let the gas in the cylinder or carburetor evaporate. Be careful and take additional safety precautions if the consumer tries to fix the riding lawn mower them self. So we decided that this post is going to have the benefit of our lessons. Close the choke slightly and listen to your engine. Business Insider logo. That is caused by too much gas getting into the engine after the key is turned off. Also, check if the blade has been bent or the blade holder is damaged. Mower backfired a few times and died it wont run now unless you hold the key on at that time all it does is pops and backfires with every revolution I would check for water in the carb bowl and also the flywheel key maybe sheared allowing the engine to be out of time with the ignition and cause it to backfire and pop. Foot off the gas pedel, run it for a few seconds before you shut it off? Backfires are caused by unburnt fuel being combusted in either the intake or the exhaust system. So far, I have 40 hours on this mower, it has been in the shop twice, the first time for the blade drive belt, the transmission pedal fell down onto the foot rest, and the parking brake would not engage. 5 briggs and Stratton lawn mower I have spark also fuel but no start. Using smooth tires on your zero-turn mower If you’re riding on a zero-turn mower, you might want to try out some smooth tires. I have a Kohler engine on my lawn mower and it will backfire after mowing if you shut it off right away. After identifying four reports of cut fuel hoses during the manufacturing process, John Deere is contacting all registered owners of the recalled lawn mowers directly. The last time I used it, it made a loud backfire when I turned the key to start it up which was a first. Once these are in place, you can turn your key to the start position which will start the engine. "My Riding Mower Backfires & Has a Loss of Power. The shear-pin AND points are under there. If you put too much oil in the machine remove the extra. Find out about our leading Zero Turn mower range and contact an authorised dealer near you to arrange a demo test drive. By regularly inspecting for (and repairing) wear and damage, you will improve your lawn mower's performance and extend its life. Mowers must be equipped with back bumpers (no front bumpers), leg protectors where the feet would be on the mower, a kill switch to turn off the engine in case of an accident, working brakes, cupholders, and a plate on the right-hand side of the hood to keep starters from blowing out of the sides if an engine were to blow up. That can cause it to backfire. You could choose a best small riding lawn mower. Shut the pto off and tractor runs fine. Mowing the lawn means more to you than simple maintenance. Craftsman 42" Riding lawn mower cuts off when blades engaged I have a Sears Craftsman 42" riding lawn tractor that has the electronic blade engage switch. Also, the lawnmower might tip over causing injuries. Toro recommends that you unplug the charger from the wall outlet after 24 hours of charging, though you may leave the charger plugged into the mower longer without harming the system. Time to do an oil change. If you still can't get your mower started, checkout my advanced troubleshooting guide which covers more in-depth problem solving of issues with fuel flow and starvation, the carburetor, ignition (electrical) system, choke, valves and compression. In their defense, gas-powered zero-turn mowers do generally get the job done significantly faster and with more fuel efficiency than other types of riding lawn mowers. Fuel Blend Some gasoline contains alcohol or ethanol as part of the blend. Our quality lineup of riding lawn mowers, such as our zero-turn riders and lawn tractors, offers unparalleled strength and comfort so you can get the most out of your lawn. & The fact that you met an honest Okie just shocks the hell out of this thread. This slow rotation could be slow enough to not produce enough Flywheel magnet induction when it passes the ignition coil (armature). BASIC TROUBLESHOOTING OF GRASSHOPPER LAWN MOWERS AND ENGINES ON GRASSHOPPER LAWNMOWERS SPECIAL NOTE TO THE READER: While the following is somewhat basic, the writer has intentionally left out various things which one would expect the reader to know about before attempting to apply what is written. Replace fuel with fresh stabilized fuel. Just try to turn the blade on your mower? If you removed the blade brake, you'd still have to deal with the kill switch which, could be tied into the system in up to three place? Then of course, you have the matter of the engine sitting on it's side - by design, unable to run. It has a unique electric start gas engine that is designed to be easier to start each time you are ready to mow. Know how to quickly shut off the lawn mower in case of an emergency. If the mower is cold, set the choke. Why does my engine spit or backfire? First off, you need to determine whether it is backfiring out the exhaust or back up through the carb. They are as follows: Running with old gas or bad gas will cause backfiring while running. 6L and that's exactly the amount they supply. So we decided that this post is going to have the benefit of our lessons. Too high of an oil level can cause engine damage. You can even get self-propelled lawn mowers that adjust to your walking pace. Mower backfired a few times and died it wont run now unless you hold the key on at that time all it does is pops and backfires with every revolution I would check for water in the carb bowl and also the flywheel key maybe sheared allowing the engine to be out of time with the ignition and cause it to backfire and pop. How to Charge the Battery Instructions for charging the battery on HRR216K9VLA, HRX217K4VLA and HZA, and HRX217K5HZA mowers. As you can see, that is the best zero turn lawn mower for us – but it doesn’t have to be the best one for you. If you have large (preferably flat) areas to mow, a zero turn mower is the right choice for you. Malfunctioning valves can also cause the engine to misfire, as the timing of the combustion process is thrown off which can cause the engine to spark at irregular and incorrect intervals. YES, I have seen times where the needle valve sticks, but it is rare. Problem is, those are all Band-Aids. You may be able to find specific step-by-step instructions which will minimize your risk of injury from an encounter with an uncontrolled spring. Using Troubleshooting Chart If you are experiencing a problem that is not listed in this chart, see your John Deere dealer for service. The self-propulsion takes some of the strain out of hills and moving over rougher terrain. Turn the mower on its side and look underneath to see if there is a thick mushy layer of grass clogging the deck. This year I lowered the idle and adjusted the mixture screw or what I think is the mixture screw. Lawn Mower Accidents Are The Leading Cause of Amputations For Children In The USA Posted on July 12, 2017 July 12, 2017 by Jen Owen - e-NABLE Volunteer Every spring and summer, for the past 4 years, the requests for 3D printed e-NABLE devices by parents of children who have lost hands, arms and fingers to lawn mower accidents, increases. It runs kinda rough when you first crank it and then it backfires like a cannon when you try to engage the blades. Belts do so much to keep your equipment running smoothly. They are all battery-powered, making them quieter and easier to use than gas and electric corded mowers, and all cost less than $500. How to Use Zero-Turn Mowers Effectively and Safely. Dirt in fuel system or fuel is old. This operating characteristic is one reason why a zero turn mower is the choice of landscape professionals. Otherwise, you might as well throw a new mower on your Christmas list, and hope Santa won’t charge you for delivery after making these naughty mistakes. Lawn Boy has become a brand that is synonymous with high-quality lawn care, and it upholds this reputation with its Lawn Boy 17734 self-propelled lawn mower. So what is a backfire, what causes it, and how can you stop your lawn mower engine from backfiring? What is a backfire?. Moving quickly across your yard builds up the engine speed, and if you shut it off suddenly, the engine could pump gas into your muffler where the gas could ignite. Whether you have residential or commercial equipment, we can help keep your lawn mowing and landscaping equipment running to perfection and provide you with quality lawn care products at competetive prices. My lawn mower was giving me the worst time tonight. After identifying four reports of cut fuel hoses during the manufacturing process, John Deere is contacting all registered owners of the recalled lawn mowers directly. A fouled plug will cause it to miss. Take a look for a bent blade spindle, too. 4 Liter) fuel tank for more mowing with fewer fill-ups. If it is completely closed, then adjust the idle speed of the engine as per the engine manual. Bushings are cracked. A good rule: If you're not comfortable with them driving your automobile, you should not allow them to operate a lawn mower - whether it's a walk-behind or riding mower. When you have checked all the possible causes listed and you are still experiencing the problem, see your John Deere dealer. What works 90% of the time is to let the engine idle about a minute before switching ignition off. Though this can be a problem for your machine if it persists, it's likely the result of the oil not being lean enough due to it being too early or cold. Why does my engine spit or backfire? First off, you need to determine whether it is backfiring out the exhaust or back up through the carb. Once these are in place, you can turn your key to the start position which will start the engine. You can do it easily and conveniently from the comfort of your seat without having to stop or turn off the mower. Nothing about waiting a minute. Most use hydraulics to maneuver over the grass. Also for: 2691137-00. While a mower battery is similar to a car's, there are some key differences. It is also hard on the engine to do such an operation. The manual for one of my zero-turn mowers says to run the engine (Kawasaki twin cylinder) for three minutes at idle before shutting it off. The programmable robotic mower detects obstacles for carefree lawn care. IS YOUR LAWN MOWER READY TO GO? For your safety, and to maximize the se rvice life of your lawn mower, it is very important to take a few moments before you operate the lawn. It is very frustrating to roll out your mower to cut the lawn only to find that it won't start. They didn't even have it set up correctly when they delivered it. This slow rotation could be slow enough to not produce enough Flywheel magnet induction when it passes the ignition coil (armature). Any troubleshooting tips appreciated. Last updated on October 28, 2019. Support Videos. I'm tired of throwing my underwear out. Here are some other common problems to check: If you're still having problems with your lawn mower not running smoothly after trying these. I'm tired of throwing my underwear out. I have a 3 year old cub cadet with a 19 horse kohler engine 42 inch cut. This is not an exhaustive guide and certainly not a repair manual. Now that you know the difference between an afterfire and a backfire, and how to fix them, you can go back to mowing without worrying about giving your elderly neighbor a heart attack when your mower backfires at random times. In their defense, gas-powered zero-turn mowers do generally get the job done significantly faster and with more fuel efficiency than other types of riding lawn mowers. A mower backfire could also backfire if the mower is overheated. Order from Bush Hog, P. Just had it at the dealer and they what they call serviced it. Time to do an oil change. p Briggs & Stratton engine backfiring through the carburator ? I bought this riding mower at a garage sale. If you have a rusty deck you've lost most of your support and you're running the risk of the blades flying off while you're mowing, among other things. Mower backfired a few times and died it wont run now unless you hold the key on at that time all it does is pops and backfires with every revolution I would check for water in the carb bowl and also the flywheel key maybe sheared allowing the engine to be out of time with the ignition and cause it to backfire and pop. it will start back up but continues to do the same thing. The choke helps provide a richer fuel-air mixture to the engine, which helps it stay running until it warms up. Cleaning it may help as flipping it over would cause oil to enter the cylinder. I'm having backfire issues. Drive belt jumping off of pulleys. Toro Lawn mower won't start? You may NOT need to take it to a lawn mower repair shop, just follow these simple troubleshooting tips to get your lawn mower up and running. The maneuverability and speed of a zero-turn mower are always impressive. JavaScript seems to be disabled in your browser. Powerful Kubota diesel engines mean faster, more efficient job performance. Lower the deck of the mower to its lowest setting. Each time I stop and/or turn the mower off I have to jump start it. need help with this. Close the choke slightly and listen to your engine. If you have never used a zero-turn mower before, you might be wondering what they offer that walk-behind mowers and lawn tractors do not. No matter which mower you select, you can depend on a genuine Honda mower to perform. Garden and Outdoor Life 81,560 views. Backfire in engines is caused by simple chemical malfunctions that can be easily rectified. This should help give you a better understanding of what zero turn mowers are, how they work and how they differ from traditional lawn tractors. My lawn mower was giving me the worst time tonight. Zero Turn Rider with 46" Mower. So what is a backfire, what causes it, and how can you stop your lawn mower engine from backfiring? What is a backfire?. What causes it to do that and what do I need to do so it won't?. If it is completely closed, then adjust the idle speed of the engine as per the engine manual. The longer the cutting deck, the larger the cutting blade. Superb power for digging in tough conditions. There also seemed like there was a slight flash that accompanied the backfire. Powerful Kubota diesel engines mean faster, more efficient job performance. Backfiring can also occur due to rich or lean fuel mixtures. My lawn mower was giving me the worst time tonight. Do you know about - Lawn Mower Mods Murray Lawn Mower! Again, for I know. If it has one that is. If the carburetor isn't working properly, it can get the mixture of fuel and air in the incorrect ratio. A ZTR Mower from Country Clipper offers up to 6 feet of cutting width and mowing speeds up to 12. More capable with a larger frame and fuel tank, this full line of mowers provides even more comfort features and helps you get the job done quickly with speeds up to 9 mph and mower decks up to 62 inches. This video will help you identify some of the most common reasons why it isn't starting. While this helps ease some of the pollution and fuel concerns, they're both still factors you might want to take into consideration. Using E85 Fuel will cause severe damage to the engine. Why is my lawn mower backfiring through the carburetor? If the device is seemingly spitting out sparks, there's a good chance that it is backfiring through the carburetor. You'll find that staying on these mowers on a bumpy dirt track with sharp corners is difficult. Lawn mower engine surging is a right pain in the Jacksie, it's an engine that runs erratically, revs up and down by itself uncontrollably. The difference between riding lawn mowers and lawn tractors lies in the location of the cutting deck. I have a Craftsman riding lawn mower, model # 917273140. When my engine blew while mowing, I immediately turned off the ignition switch key and started looking to see what happened. Even if you run the engine till it stops. 4 Liter) Fuel Capacity All TimeCutter riding mowers feature a large 3-gallon (11. Lawn mowers should have an oil change after every 20 to 50 hours of use (consult your manual or look for info on the engine block for details). I have never had a problem with the kawasaki on my great dane back firing but the two briggs and strattons on my walkbehinds are always backfiring unless I let them idle. Moving quickly across your yard builds up the engine speed, and if you shut it off suddenly, the engine could pump gas into your muffler where the gas could ignite. Usually, the ignition source is easier to eliminate unless you have an obvious fuel cutoff problem. Business Insider logo. Look at the fuel filter and there is some gas in there. If you skip this step, the engine won't be able to keep going once you've started it. There are two adjustment screws side by side,one with a black cap and one you adjust with a. Superb power for digging in tough conditions. When you turn the key or engine switch off it stops the spark but fuel is still pulled into the engine as it is spinning down and the unburnt fuel is being sent into the muffler and this is what causes the backfire. Walk-Behind Lawn Mowers. Mowers must be equipped with back bumpers (no front bumpers), leg protectors where the feet would be on the mower, a kill switch to turn off the engine in case of an accident, working brakes, cupholders, and a plate on the right-hand side of the hood to keep starters from blowing out of the sides if an engine were to blow up. No matter which mower you select, you can depend on a genuine Honda mower to perform. If you have the engine at full throttle and you suddenly leave the seat, the mower will shut off. A backfire is a loud noise or poof of smoke from the engine when it begins to idle. Though this can be a problem for your machine if it persists, it's likely the result of the oil not being lean enough due to it being too early or cold. Here are 5 common mistakes to avoid this year when storing your lawn mower, tractor, or zero turn for winter. In the case of older lawn mowers you simply pull the chord to turn the engine over. A good rule: If you're not comfortable with them driving your automobile, you should not allow them to operate a lawn mower - whether it's a walk-behind or riding mower. The last time I used it, it made a loud backfire when I turned the key to start it up which was a first. Get Craftsman 917. This is where you will pour the oil. Consumers should immediately stop using these recalled zero-turn lawn mowers and contact a John Deere dealer for a free repair. Here is the kicker: I did not turn off the switch for the electric clutch, only the ignition. This video will help you identify some of the most common reasons why it isn't starting. If the mower is new enough to have a anti-backfire solenoid on the bottom of the carb then it must not be working. Proudly made in the USA, Lawn Tractor Leaf Bags expand your lawn tractor or zero-turn mower’s 2- or 3-bag grass catcher/material collection system to over 40 bushels (54 cubic feet). Finish your lawn with our edger, trimmer, or power brush tools. 5 HP, both 17s will ALMOST ALWAYS backfire on shut-down regardless of throttle position (fast or idle) it has so far never caused an issue other than scarin the hell out of the animals close-by, the 15 HP, never did it. Lawn tractors have a mid-mounted cutting deck, while for riding lawn mowers, the cutting deck is located under the front of the vehicle. Each time I stop and/or turn the mower off I have to jump start it. They're the root causes of more than 80% of all lawn mowers that won't start (plus snow blowers and most small engines in general). Please click here if you would like to see our extensive range of push of self-propelled mowers. Get all Craftsman manuals! Engine "backfires" when turning. It backfires when I let off the spray gun. If the mower is cold, set the choke. Take a look for a bent blade spindle, too. But with find my Landroid, you’ll be notified if it’s ever taken out of its perimeter. Air filter good. A good rule: If you're not comfortable with them driving your automobile, you should not allow them to operate a lawn mower - whether it's a walk-behind or riding mower. The intake valve had broken and knocked a hole in the piston. Besides that, the mechanism of the riding lawn mower is more complicated than a push mower or a self-propelled lawn mower. Your PTO should be pushed down into the off position. Obtain fuel from another supplier before suspecting machine problems. Clear debris from the area you'll be mowing. Backfiring, running rough, smoking, etc My JD LA130 with Briggs and Stratton has been great until yesterday. After identifying four reports of cut fuel hoses during the manufacturing process, John Deere is contacting all registered owners of the recalled lawn mowers directly. Using gasoline without ethanol will decrease this problem, as will using a fuel stabilizer. Be sure to search through our What to Consider Before You Buy section to learn as much as you can which will help you determine which zero turn mower is best for you and your lawn mowing needs. Too much gas will cause backfiring. Turn the mower on its side and look underneath to see if there is a thick mushy layer of grass clogging the deck. You'll also get a brief rundown on what accessories you might need to further expand the abilities of your mower of choice, along with a few maintenance tips to get the most out of your machine. When you're finished, just engage the lawn mower blades and let them turn for a few minutes to induce drying and to re-heat the bearings. Besides that, the mechanism of the riding lawn mower is more complicated than a push mower or a self-propelled lawn mower. Wet grass. A lack of preventive maintenance almost guarantees an early death for your lawn mower, but you don't have to be a mechanic to keep it buzzing all summer long. Even if you run the engine till it stops. How to Stor a Zero Turn Lawn Mower for Winter Easy winter lawn mower maintenance Storing your outdoor power equipment correctly is extremely critical for anything with an engine. Here are 5 common mistakes to avoid this year when storing your lawn mower, tractor, or zero turn for winter. 5 HP, both 17s will ALMOST ALWAYS backfire on shut-down regardless of throttle position (fast or idle) it has so far never caused an issue other than scarin the hell out of the animals close-by, the 15 HP, never did it. DIY - Lawn Tractor and Riding Mower problems you may want to fix yourself Riding Mower is making smoke A tractor that belches smoke may seem like it’s on iits last legs, but it may just have a clogged air filter, which can cause the engine to pull oil past the piston rings and generate an oily smelling cloud of smoke. The odds that you would purchase several bad spark plugs are pretty low, but you might want to buy a different brand of spark plug and try it just to be sure. Drive belt jumping off of pulleys. I've noticed the blades engaged a few times after being puzzled as to why won't my lawn mower start. Shut the pto off and tractor runs fine. Cover More Ground. Different brands and models achieve this in different ways, but hydraulic speed control of each drive wheel is the most common method. A dull mower blade can shred the tips of your grass, causing your lawn to turn brown, so sharpen the blade at least once a year. What causes a riding lawn mower to backfire when you turn it off? done mowing yard and when I park the lawn mower and turn the key off, it backfires. Finally, after 30 minutes of messing with it, the lawn mower kept on. Both types of products are as productive as a big zero turn mower. A 360 degree turning radius allows for quicker and more precise turns – you can cut your mowing time in half, compared with traditional mowers. Also red the manual (yes, several years later) and it. A mower th at backfires is irritating, but thankfully backfiring is not a danger to your engine and lawn mower. Q: What causes a lawn mower engine to sputter? A: You need not be a riding lawn mower expert to understand that engine sputtering is not a good thing. Craftsman lawn, tractor backfiring help Hi I have a Craftsman riding mower Model #917276681 The engine is a Briggs & Stratton Model #445677-0413-E1 The issue I am having is its backfiring thru the exhaust and the carburetor. Clean the Toro zero-turn mower deck if the cutting is uneven. 5HP 42"), but it was last year's model. Using gasoline without ethanol will decrease this problem, as will using a fuel stabilizer. YES, I have seen times where the needle valve sticks, but it is rare. Whether the smoke is blue, white, or black, here's how to identity and address the issue without. Stand-ons are more agile than other mowers so you can safely get closer to objects. This should help give you a better understanding of what zero turn mowers are, how they work and how they differ from traditional lawn tractors. I'm tired of throwing my underwear out. It is also hard on the engine to do such an operation. A fouled plug will cause it to miss. Consumers should immediately stop using these recalled zero-turn lawn mowers and contact a John Deere dealer for a free repair. Other causes of this problem include leaving the packing plug in the fuel cap or a dirty air filter. What causes engine on craftsman riding mower to backfire? causing the cylinder to "load" excessively when you turn off the key. Honda is a Japanese auto maker that makes cars, SUVs, crossovers, minivans and trucks. Few things are more frustrating than a lawn mower that refuses to turn over, no matter how hard you pull on its cord or curse its ancestry. If you have never used a zero-turn mower before, you might be wondering what they offer that walk-behind mowers and lawn tractors do not. It's worth adding the manual states the engine takes 0. Your lawn mower is a serious piece of equipment in every sense of the word, so take care of it like one. Keep the mower flat on the ground. The Lawn mower starts then dies? The most common reason a lawn mower starts and then dies, is because the carburetor is dirty. Usually, the ignition source is easier to eliminate unless you have an obvious fuel cutoff problem. The front-end location of the cutting deck on riding lawn mowers makes these machines more maneuverable. Maintaining a Lawn Mower. Now, let’s see everything that you need to know about getting a good lawn mower bagger for you. They are as follows: Running with old gas or bad gas will cause backfiring while running. Drop the throttle all the way down to its slowest speed and let it idle there for a minute before you shut it off. Have a John Deere 240 lawn mower that my pops handed me down. Lawn mower will not start after the blade hit an obstruction The following description applies to most small rotary lawn mowers with direct driven blades. The last time I used it, it made a loud backfire when I turned the key to start it up which was a first. it will start back up but continues to do the same thing. Where safe disassembly is not obvious, I would recommend that you refer to a book on lawn mower or small engine repair from the library or the service manual for the mower, if possible. LAWN MOWERS AND FUEL ISSUES: How to Prevent Fuel Problems With Your Lawn Mower. View and Download Snapper Zero Turn Rider operator's manual online. While it's not dangerous, it can be a symptom of other problems, and should be addressed. Nothing about waiting a minute. Many mowers perform best if, after you get them started, you adjust the high speed adjustment screw to where the mower runs the fastest - then open it up just slightly (until you sense the rpms dropping). If there's gas in the oil, then you could have other damage, or you may have caught it before any damage was done. Since 1958 when the first lawn mower rolled off the line, MTD has been designing easy-to-use outdoor power equipment and building a reputation for quality and dependability second to none. Mower keeps running when you release the handle to move a fallen branch or pull a few weeds. Check Out the Full Line of Husqvarna Zero Turn Mowers. Engaging the blades is a safety hazard as you are cranking a mower. Where safe disassembly is not obvious, I would recommend that you refer to a book on lawn mower or small engine repair from the library or the service manual for the mower, if possible. DO NOT use E85 Fuel in your mower's engine. Proper care and maintenance of your four cycle Briggs & Stratton lawn mower engine has repeatedly proven to be the key to long engine life. So what is a backfire, what causes it, and how can you stop your lawn mower engine from backfiring? What is a backfire?. In addition, less namely robotic lawn mowers and hover mowers. A ZTR Mower from Country Clipper offers up to 6 feet of cutting width and mowing speeds up to 12. I have replaced the fuel filter, air filter, spark plug with the proper gap, and changed the oil too. Here are some other common problems to check: If you’re still having problems with your lawn mower not running smoothly after trying these. Though this can be a problem for your machine if it persists, it's likely the result of the oil not being lean enough due to it being too early or cold. I have a 3 year old cub cadet with a 19 horse kohler engine 42 inch cut. Reasons for Backfires. A mower th at backfires is irritating, but thankfully backfiring is not a danger to your engine and lawn mower. As you can see, that is the best zero turn lawn mower for us – but it doesn’t have to be the best one for you. I bought the RZ4623 from a local Lowes and they know nothing about the mower. The increased compression may necessitate a stouter crankshaft. Because the weight of the engine, fuel and rider is concentrated at the back of the machine, going up a hill can cause the front wheels to lose their grip, affecting steering performance. The cleanest way to do that is with a tube and suction bulb. Please click here if you would like to see our extensive range of push of self-propelled mowers. In their defense, gas-powered zero-turn mowers do generally get the job done significantly faster and with more fuel efficiency than other types of riding lawn mowers. I'm having backfire issues. If you put too much oil in the machine remove the extra. We are here to help. This is not an exhaustive guide and certainly not a repair manual. It might cause afterfire when the key is switched off though. engine "OFF" CAUSE. The experts at Mowers Direct discuss the issues that can arise using gas with mowers. For more information on choosing the right lawn mower for you, check out our helpful video. ZTR mowers can work in slim areas and are handy for going in reverse or working tight corners. If the backfiring is limited to when you shut off power to the lawn mower, then take a look at your throttle plate. Backfire in engines is caused by simple chemical malfunctions that can be easily rectified. Before you haul it to a shop to be fixed, try trouble­shooting the problem yourself. Clean the Toro zero-turn mower deck if the cutting is uneven. Turn off the ignition and permit the mower to cool down for about ten minutes. Step 2 Try to find a way to turn the engine by hand to make sure the engine isnt seasing up. If you have never used a zero-turn mower before, you might be wondering what they offer that walk-behind mowers and lawn tractors do not. Take care to avoid close proximity to a backfire and. Damaged tie band. Shut off. A fouled plug will cause it to miss. 5 HP models, & 1 was a 15. This has a 14hp kawasaki. It is significantly quicker to reduce your lawn having a riding mower. The mower blade drive belt started throwing off in the spring of 2007. That can cause it to backfire. Stand-ons are more agile than other mowers so you can safely get closer to objects. Before the days of electronic controlled ignitions I could push the gas pedel to the floor of my car at speed, shut off the ignition and then turn it back on. If it doesn't start on the first try, it takes another 10-15 tries to start usually. How to Stop Grass Buildup Under Any Lawn Mower Deck. Also, check if the blade has been bent or the blade holder is damaged. If there's scalping present: Scalping refers to the riding lawn mower deck grazing the ground or coming close to it. Work your way down the list of causes below to find the problem. I was wondering if anyone owns a Husqvarna zero turn mower that has or had the. Since 1958 when the first lawn mower rolled off the line, MTD has been designing easy-to-use outdoor power equipment and building a reputation for quality and dependability second to none. Motorized lawn mowers, on the other hand, can be further classified into rotary push lawn mowers, riding lawn mowers, zero-turn lawn mowers and lawn tractors. Check out Briggs & Stratton's list of the top 5 must-have Briggs parts for spring lawn mower maintenance and get your engine ready to go for mowing season! Read More » Aeration: Why, How & When to Aerate Your Lawn. It did take a bit to get used to the sequence, but after just a few times on and off the mower, it’s very easy to remember, and it makes good sense. 3) timing is off, due to you hitting something maybe while mowing. • Turn ignition key to Don't see a manual you are looking for?. , when I tried out the Toro ZTR with a 14hp Briggs engine, I pulled the throttle back to idle, turned off the key, and was startled by a terrific backfire. This is probably a problem with the key switch, but wouldn't cause clattering noises. I have replaced the fuel filter, air filter, spark plug with the proper gap, and changed the oil too. Solved! What to Do When Your Lawn Mower Starts Smoking A smoking lawn mower is never a good sign.