Lawn Mower Won T Throttle Up

JD has a sale on these 915's and I couldn't pass it up. A riding lawn mower is made to operate at full throttle in order to achieve the revolutions needed. A guy at work gave me a 'dead' 21" Troy-Bilt self propelled push mower that was a prime candidate for the good running 6. But no matter the appellation or company, a riding mower is an essential tool for taking care of large lawns. Overall, it was an easy project and I have a better understanding of how my lawn mower works. Last year when it was dryer and the grass didn't grow as much, running at half throttle didn't seem to be such a big deal. The best cordless lawn mowers are much less noisy than their gas powered alternatives. If this hole becomes clogged, the lawn mower won’t function properly. After priming. The throttle cable is intact and the idle arm, etc. the wiring harness adapter going to the mower might be different than my exmark so poke around and see what you can find looks like it does have a regulator on the side of the motor, it has the two white wires coming to it, i guess you could check both sides there and see if youre getting any power on either side with the motor running. Problematic fuel lines affect whether the lawn mower get adequate amounts of fuel and it not. However, if it is to take care of your lawn. In light of that fact, it's. Cleaner cut on the grass. A walk-behind mower tune-up includes changing the oil, spark plug and air filter. The following is a simple checklist you can follow to help isolate a possible cause. Whether you've got a Toro lawn mower, a Briggs and Stratton lawn mower, or one of the other popular brands, the last thing you want once winter finally lifts and spring has sprung is a. You bought one, so you already know this. Lawn mower use SAE 30 weight oil rated rated SF, SG, SH, SJ or higher. I bought a Murray 21" push lawn mower from Walmart on May 6, 2019. 65 of a quart (. In preparation for tomorrow's front yard cut, I went over the rest of my grass with my rotary at 1. I have always used JD riding mowers. Whenever you have any type of problem, there are a few things you should do. Chainsaw only struts and runs on full throttle HI, Im trying to start my Talon small chainsaw and tune it up to cut better. You fill up the tank with gas, top off the oil, set the throttle and yank the pull start. Gas lawn mowers don't require a cord and can easily power through thick grass and move over hilly terrain. Grass cut and appearance was excellent. Starting problems with your lawn mower fall into 2 basic causes: fuel problems and ignition problems. Craftsman dlt 3000 won't go forward or reverse? I have a dlt 3000 riding mower and after mowing the other day I went to move it into the garage and when I pushed on the pedal to go you could hear what I think is the transmission but the mower doesn't go forwards or backwards. Toro Lawn mower not self propelling. Prevent stalling problems before they start with a tune-up kit. Mow only dry grass or leaves. I just fixed the same problem on an old lawn boy mower. Common issues that are DIY fixes include lawn tractors that are spewing smoke, riding mowers that won't start, overheating, and a mower that gives a bumpy ride. How do I start my Snapper lawn mower? The general procedure for starting a Snapper lawn mower, also know as a walk behind or push mower, is outlined below. An incorrect choke set-up can cause the engine not to start, to stall or to run roughly. The small wheels, often made of plastic, make them hard to push unless the lawn is very smooth -and in my neighborhood they never were. I took a thin wire, one strand from an old throttle cable, and pushed it through from the inside of the carb. Genuine 100% Honda OEM Lawnmower Throttle Lever and Cable for HRU19 Series Residential Mowers. While it's not dangerous, it can be a symptom of other problems, and should be addressed. This mower will last me a long time!. How to Fix a Lawn Mower That Won't Start String Trimmer Won't Start - Cleaning and Troubleshooting 2-Stroke Carburetors. Used it once a month (so 9x). Run the mower dry before putting it up for the winter. on it when you start it, it will idle but won't throttle up without. When I tried to restart it the pull-rope kept getting stuck, like it was locked up. Starting and stopping your Cub Cadet XT1 or XT2 may be a bit more complicated than you realize. 5hp B&S I salvaged off the 22" my neighbor gave me that had the mower pan and handle held together with wire, wooden blocks and electrical tape - literally!. Now if you compare a cordless lawn mower to this, the loudest cordless lawn mower we could find is 75dB, which is about the same volume as a standard washing machine. Now he's not. Don’t blow a gasket. We have found, not having a throttle control actually increases engine life and product performance. If the spring breaks—a rare event, according to our repair expert—the fix is a lot harder, and we recommend you take the mower to a repair center. Suits Honda HRU19R, HRU19D, and Honda GCV160 powered residential 19" lawn mowers with the 'Z' wire hook style ends. My mower won't start. Riding Mower and Tractor: Won't start There are numerous explanations for why a riding lawn mower won't start, including everything from bad gas or a bad battery to a failed starter motor or bad ignition coil. Toro 529H; Yard machine 21". Small engine repair and lawn mower repair make great do it yourself projects. 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 just put new gas in it. There's only a choke/fast/slow/stop switch, which regulates the speed of the wheels/engine, but "stop" doesn't seem to stop it. The engine manufacturers designed the engines to operate at full throttle (usually 3600 rpm), and this is where the engines are the most efficient. Electric lawn mowers have the advantages of being quiet, requiring little maintenance and having zero emissions. Ian would chance upon an old green and red Ransomes Lawn Mower logo peering out of a pile of cobwebs and old grass cuttings as he walked to the beach one day. First, see these 7 simple reasons your mower might not start. After that, the mower moves forward on its own (you don't have to push it). It has a kohler 23 hp engine. it won't have the Accord with pop-up headlights. A walk-behind mower tune-up includes changing the oil, spark plug and air filter. Honda make reliable, well designed and constructed mowers. How to Adjust the Throttle Wire for a Husqvarna R120S • 7 Simple Reasons Your Mower Won't Start • Smart Lawn Care Spring • Lawn Mower Tune-Up Checklist. A throttle control would allow you to vary the engine speed from idle all the way up to full speed. Look for a lawn mower that offers the type of cutting options you prefer, as well as one designed to handle the type of terrain you need to cut. Yard Machines offers a variety of engine sizes, cutting widths, 3-in-1 cutting decks and electric start availability. Get back to the basics with a push reel mower that requires very little maintenance. To start working regularly, your gas lawn mower needs three essential elements, air, spark, and fuel. The engine manufacturers designed the engines to operate at full throttle (usually 3600 rpm), and this is where the engines are the most efficient. it won't hurt. Operate RIDING mowers up and down slopes, never across the face of slopes. The quality of construction is very good. A number of well-known manufacturers of push and riding lawn mowers employ Briggs & Stratton engines, including Craftsman, Toro, Poulan Pro, Troy-Bilt and John Deere -- to name a few. A good video on how to adjust a Honda Lawnmower's governor. I paid less than $30 to tune up my lawn mower and spent about two hours doing the work. A simple problem with a simple fix. com - The Friendliest Tractor Forum and Best Place for Tractor Information. The Lawn mower starts then dies? The most common reason a lawn mower starts and then dies, is because the carburetor is dirty. The John Deere company calls its riding mowers riding tractors. When I raise the throttle to around 3,000, it will drop to about 2,000 all by Throttle won't stay - MyTractorForum. out of tune or blocked up. The choke is pulled to its maximum when starting a cold engine, but should be pushed back to neutral once the engine is started. On checking I found the screw and clamp that holds the cable was loose. The addition of the self-propelled motor adds a slight whine when you engage the throttle, but compared to the sound of a traditional 2-cycle lawn mower, it might as well be silent. Engine Stalling, Surging or Running Rough. I used it a couple of weeks ago but now it won't run. There's only a choke/fast/slow/stop switch, which regulates the speed of the wheels/engine, but "stop" doesn't seem to stop it. 5HP engine to surge? As well, it won't idle unless at full throttle. Do not use this lawn mower except for mowing lawns. But no matter the appellation or company, a riding mower is an essential tool for taking care of large lawns. Homeowners turn to Toro for lawn mowers, zero turn mowers, push mowers, lawn tractors and snow blowers and more innovative products for keeping a modern home. They were able to match it with one they had in stock for a reasonable price and it worked perfectly. Shop push mowers at various retailers. Because they propel themselves, you don. It is very frustrating to roll out your mower to cut the lawn only to find that it won't start. To start working regularly, your gas lawn mower needs three essential elements, air, spark, and fuel. The best cordless lawn mowers are much less noisy than their gas powered alternatives. Like all small engines, this one requires regular maintenance, or it can develop performance problems. If you need specific repair instructions related to your model, refer to the manual provided by the manufacturer. For one, they usually start very easily with just the push of a button. Cub Cadet XT Series Lawn Tractor: How to Start and Stop the Engine. Details about Universal Lawn Mower Throttle Switch Lever Control Kit Part Tool For Lawnmower. First time to run it. We are located in Fontana Ca of the Inland Empire. "My Craftsman Throttle Lever Is Not Working. letting the cable move. When Your Electric Chainsaw Won’t Start | Remington Here are the top four reasons why your electric chainsaw will not start. There's only a choke/fast/slow/stop switch, which regulates the speed of the wheels/engine, but "stop" doesn't seem to stop it. I've already cleaned the carb, replaced the gas, checked the fuel filter, checked spring tension on the throttle/choke rod (no actual choke, just a spring attached to a rod to hold the door in the carb open) and that is fine, and I checked the air filter/cleaner "sponge" and that looks clean and the engine runs the same with or without it. Can’t wait for the cutting season to start. I bought a Murray 21" push lawn mower from Walmart on May 6, 2019. Find Top-Rated Birmingham Lawn Mower Repair Shops Lawn Mower Won't Start? They did a fine job of repairing the throttle (which I had expected or I wouldn't. 5 briggs and Stratton lawn mower I have spark also fuel but no start. Your push lawn mower won't start or it starts and then dies. SECTION 3: TRACTOR SET-UP. 5 reviews of Joe's Lawn Mower & Sharpening Center "Very responsive and knowledgeable Joe tells you how it is I decided to have him try to fix the thing, he stood by his work and had to come back. Re: John Deere D130 Lawn Tractor won't start Thank-you for the replies - I did start another thread as well in Owning/Operating - but jumped in here as well - I see that this is bad etiquette and will try to delete the post here if I can - sorry - flywheel removal is in the plans - thanks. Fuel more than 30 days old becomes stale and may prevent a Lawn Boy mower from starting. It probably won't work properly with any housing component. -~-~~-~~~-~~-~-Please watch: "How to remove super glue from fingers, or skin, with things at home. An incorrect choke set-up can cause the engine not to start, to stall or to run roughly. There's no usual lever for stopping the fuel on the handle. But this summer, racers will tear up the hay fields - sort of. Just installed a new carburetor. Lawn mower won't start after tilting? Remove the air filter and attempt to start your mower, if the air filter is wet with fuel, replace it. Your push lawn mower won't start or it starts and then dies. You can look up parts and create a wishlist to print or email to your local dealer. Tune up the engine to give it the best chance of starting. The cable will not move forwards; it is pulled all the way back. Mowing the grass is one of the rites of summer, but now your mower won't start. follow the cable to the carb and move it up and done and see where its disconnected at the carb and re-connect it and you should be good to go. Fire it up and it runs wide open, with no throttle control. A damaged carburetor may also leak gas. Any suggestions would be appreciated, I am trying to get this running before the Lawn Mower Parade this Saturday, yes I live in a small town :) 2011 Troy-Bilt Pony. when run my lawn tractor and give it full throttle, the ammeter shows discharge. Although there are several mower parts that may malfunction, the. Either get a real cheap mower or the Honda model above this one. Yard Machines offers a variety of engine sizes, cutting widths, 3-in-1 cutting decks and electric start availability. Your lawn mower or other property can be damaged if you don’t follow instructions. The thing that gets me is the 4 times I mowed I haven't driven it like a go kart and my yard. This works by being pushed forward. Engine Stalling, Surging or Running Rough. How to clean a carburetor on a lawn mower without removing it is a common question if you are a lawn mower user. It tears, just as it does with a dull blade. Top 5 Mower. The throttle speed on this mower is set at the factory, so you would need to go to an authorized service center if you wanted it changed. Move this lever to the "choke" position). I have taken the advice on board and sold the crappy mower for $25. Even after following the directions here, you may not be able to get the mower going. I just fixed the same problem on an old lawn boy mower. ) Push the mower to mow the grass while the "Throttle" lever is in the "Fast" position. Listen here to the radio story: John Deere Maintenance Monday: Lawn mower hill power loss. ? I was running my mower -- it's a self-propelled push mower -- when it suddenly stalled. My lawn mower won't start I've add a fresh tank of gas and tried firing up my lawn mower and it won't start. A mower won't like to be over filled with oil either, this can damage the engine, cause it to smoke and leak oil. Lawn mower surging results from continual accelerating and decelerating of engine revolutions. It's a kubota walk-behind one. Note the high and low level marks. lawn mower running at "half speed" when full throttle so I had the mower running great till I bent the blade today. Simply disconnect and empty the bag. I have an LX277, air cooled, Kawasaki FH500V, 494cc, 17HP VTwin OHV This mower runs a half throttle, but surges when trying to run full throttle. Purchased a used mower last week. Lawn mower use SAE 30 weight oil rated rated SF, SG, SH, SJ or higher. checked - Garden question but cut out as you throttle up. If this hole becomes clogged, the lawn mower won’t function properly. How to Start a Lawn Mower. A mower th at backfires is irritating, but thankfully backfiring is not a danger to your engine and lawn mower. Overall, it was an easy project and I have a better understanding of how my lawn mower works. Fire it up and it runs wide open, with no throttle control. put in forward then wait a few second, then put in reverse wait a few second and repete 4 times or so then idle up and replace bypass lever to drive, see if you get any movement back. Slip throttle back to max run and it runs and mows perfectly. Check how clean your oil is by unscrewing the oil cap! If you can't see any oil it might be time to change the oil. The BS engines usually won’t start until the 17th pull, if ever. Mower won't start when deck is attached?? need help with adjusting throttle; Mower won't start for 10-15 min after use. For mowers with manual choke, set it to full choke to start. If the V-belt is worn out or broken, the lawn mower wheels won't turn. Conversely, when the mower. If you can't find your model's diagram or serial numbers, call us toll-free and we'll be glad to help you find your parts. Fire it up and it runs wide open, with no throttle control. The choke is pulled to its maximum when starting a cold engine, but should be pushed back to neutral once the engine is started. Easy to use, easy to own, this premium lineup of Snapper ® Self Propelled Lawn Mowers offer better maneuverability on flat, hilly or uneven terrain. She stopped the mower and Dad to the rescue. most likely meaning I will be without the mower for the rest of this season. Even for a high-end commercial model, this mower is on the pricey side of things. It has a brand new, fully charged battery. 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. If the V-belt is worn out or broken, the lawn mower wheels won't turn. Lawn Mower Basics: Get to Know Your Riding Lawn Mower. The 1988 Accord had two engines. What is wrong with Craftsman riding mower that won't idle follow the wire link from the carburetor throttle to the governor lever. My lawn mower won't start I've add a fresh tank of gas and tried firing up my lawn mower and it won't start. Riding lawn mower engines are quite simple really, they need three things to start: Thing 1. Honda lawn mower governor adjustment. my lawn mower won't start. This is a great product that has a lot of nice features that any kid will love. If that works check to see if the spring broke on the govonern. Most gas powered mowers range in noise levels from 84dB to 94dB - which is quite loud. If your lawn mower only runs with the choke on, check the carburetor. on it, i was wandering if there is suppose to be a spring on carb. You took it apart but you probably didn;t get all the junk out of it. I paid less than $30 to tune up my lawn mower and spent about two hours doing the work. It was running fine until a few days. follow the cable to the carb and move it up and done and see where its disconnected at the carb and re-connect it and you should be good to go. Find it and fix it before really putting it to work. Once you’re ready, the lawn mower setup checklist below will help you set up your mower properly and get it ready to run for the long haul. Common issues that require repair are if your riding mower is out of oil or if you have engine trouble. What causes a Briggs and Stratton 3. The best way to adjust the idle on your Honda OHV lawn mower is with a single cylinder handheld tachometer. The high-performance Briggs & Stratton® EXi and Professional Series Engines featuring ReadyStart® is easy to start-no prime, no choke, just pull for power (select models). Honda Lawn Mowers ConsumerAffairs Unaccredited Brand Both have a throttle control, but I can't see much use in idling the engine if you have to stand there and hold the handle to keep it. Shop for Riding Lawn Mowers in Lawn Mowers. Common issues that require repair are if your riding mower is out of oil or if you have engine trouble. Also try the following steps: shift to a slower groundspeed, don't mow wet grass, level the mower, properly inflate the tires, sharpen or replace the blade, clean out underside grass and debris buildup and replace a worn mower drive belt. 6lt) from empty. he has no interest in religion and only uses God's name to express frustration. I'm looking to find out if any thing can be done to the pump to beef it up so it can be used in my pulling lawn mower. The addition of the self-propelled motor adds a slight whine when you engage the throttle, but compared to the sound of a traditional 2-cycle lawn mower, it might as well be silent. The purpose of these messages is to help prevent damage to your lawn mower, other property, or the environment. 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. My Craftsman riding mower starts fine and runs at idle but it dies when I increase the throttle> Craftsman, Lawn Mowers The engine starts and runs fine but. If the grass is tall, make sure your mower is set to discharge or bag instead of mulching. Messages: 970. When I put it on choke and try to start it, the engine turns but won't start. it won't have the Accord with pop-up headlights. I just fixed the same problem on an old lawn boy mower. My riding mower runs too fast and the throttle won't slow it down, why is this happening? I cannot control the idle speed of my Wheelhorse lawn tractor. Or, if you have a torque wrench, you can remove and install the blade yourself. Consider a few things that you might need your lawn mower to possess: Brands: A few brands have won their positions as the leaders in the marketplace. Lawn mower wasn't starting. In addition, a seriously unbalanced blade can result in excessive vibration and eventually, possible internal damage as well. Make sure the throttle and/or choke is in the proper position.  Users say it actually goes really fast on full throttle and is hard to keep up with at max speed. could it be a govenor problem or valve adjustment problem? also cranks slow before starting, with a fully charged battery. Ariens Lawn & Snow Equipment: Snow Blowers, Zero Turn Mowers, Riding Lawn Tractors. Find the perfect commercial lawn mowers for your business with the high performing, durable options from Toro. This manual explains procedures for repairing these issues in a Briggs and. the How To Fix Any Lawnmower Briggs and Stratton 3. Just installed a new carburetor. Grass and Other Debris Clogging Up the Blades. Either get a real cheap mower or the Honda model above this one. A mower won't like to be over filled with oil either, this can damage the engine, cause it to smoke and leak oil. You may need to tune up the engine when it vibrates too much or won't stay running. Get FREE quotes in minutes from reviewed, rated & trusted Lawn Mower Repairers on Airtasker - Get More Done. While mowing the throttle will not stay wide open, it works its way back to about 1/2 throttle. You didn't leave the mower sitting. Find your Grasshopper Lawn Mower OEM replacement parts with The Mower Shop, Inc. Wait, he's mowing, again. Remove the carburetor heater box if the air temperature is above 40F (4 C) and the carburetor heater box is on the snowthrower. Use this simple Q&A format list to troubleshoot small engine problems you may experience with your lawn mower, snow blower or other power equipment. Whenever you have any type of problem, there are a few things you should do. It isn’t because this is a super powerful mower or a do-it-all landscaping mower that I included it at number four in my top 5 gas powered mowers list. Self-propelled lawnmowers work on a drive system (making them vehicle-like) that requires the operator to squeeze a bar (called a "bail") on the handle to engage the mower. follow the cable to the carb and move it up and done and see where its disconnected at the carb and re-connect it and you should be good to go. Craftsman lawn tractor won't start - B&S 17. The best way to adjust the idle on your Honda OHV lawn mower is with a single cylinder handheld tachometer. In light of that fact, it's. on it, i was wandering if there is suppose to be a spring on carb. What if my Mower Won't Stop? In both types of mower, throttle issues can cause the engine to continue to run. Walk-Behind Lawn Mower Repair Guides If your walk-behind lawn mower won't start, the engine runs rough or the mower doesn't cut grass like it should, learn how to fix it with repair help and online manuals from Sears PartsDirect. A riding lawn mower is made to operate at full throttle in order to achieve the revolutions needed. This is my own mower and the choke stopped releasing. I have hills and mower slowed to a crawl up the hills and when on the flats the same setting had it moving faster than I could keep up. After priming. It's rough starting , but most of the time it will throttle up and run. The quality of construction is very good. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The last time I backfired loudly as I turned it off but thought nothing else of it. Used it once a month (so 9x). Briggs 14 hp engine won't run properly - - I'm missing something I got this John Deere Mower off C. throttle cable linkage; Briggs 12HP Toro Wheelhorse won't start; Lets, um er, talk about, well, you know, the facts of life. Like many people, I'm dealing with a lawn mower that won't start after sitting all winter. Steering controls tend to vary on this type of mower. My lawn mower won't start I've add a fresh tank of gas and tried firing up my lawn mower and it won't start. You get the sense neighbors are saying, "Looks like he's is mowing the lawn. If the engine of your riding mower won’t start even after turning on the ignition, then it could be a sign of worn out/failing spark plugs or solenoids. You’ll even find a mulching mower or two here, but basically you push it and it cuts grass. Your mower will be better off for it. The only way I could keep it running was to pull the choke back and the engine would start again. Garden product manuals and free pdf instructions. My Lawn Mower Won't Start: Snapper Mower Maintenance As the spring and summer seasons arrive, it's prime time for outdoor fun with family, friends and neighbors. Then it runs for 5 mins again, chugs a bit, then and dies. Self-propelled lawnmowers work on a drive system (making them vehicle-like) that requires the operator to squeeze a bar (called a "bail") on the handle to engage the mower. Honda lawn mower governor adjustment. Make sure you both understand all instructions and warnings. My riding mower runs too fast and the throttle won't slow it down, why is this happening? I cannot control the idle speed of my Wheelhorse lawn tractor. Like all small engines, this one requires regular maintenance, or it can develop performance problems. If you can't find your model's diagram or serial numbers, call us toll-free and we'll be glad to help you find your parts. If it still won't start after a dozen tries, let it sit for 20 minutes and try again. It may be a Governor spring is off the carb or the linkage is hung up there. com - The Friendliest Tractor Forum and Best Place for Tractor Information. Because they propel themselves, you don. If the engine of your riding mower won’t start even after turning on the ignition, then it could be a sign of worn out/failing spark plugs or solenoids. In summary, I accidentally topped up the oil (thinking it was petrol, and running low) with a load of petrol. This is a guide about troubleshooting a riding lawn mower that won't start. Honda Lawn Mowers ConsumerAffairs Unaccredited Brand Both have a throttle control, but I can't see much use in idling the engine if you have to stand there and hold the handle to keep it. It also won't rollover on a side hill like a tractor style mower will. An incorrect choke set-up can cause the engine not to start, to stall or to run roughly. Get shopping advice from experts, friends and the community! craftsman riding lawn mower-18. 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. Most of the time when a lawn mower won't start the cause is a problem with the gas or the lawn mower carburetor. According to Briggs & Stratton, 80 percent of lawn mower manufacturers in the United States choose to use Briggs & Stratton engines in the lawn mowers that they sell. Yard Machines offers a variety of engine sizes, cutting widths, 3-in-1 cutting decks and electric start availability. I just fixed the same problem on an old lawn boy mower. Easy fix is to put some SeaFoam into the tank and run it. throttle body, and electronic's. The HU700F walk behind lawn mower is self-propelled and equipped with a heavy-duty steel cutting deck featuring collection, mulch and side discharge, offering you added versatility in terms of mowing frequency and cutting results. My friends says it won't hold up in my puller. Anyhow, the sucker just won't turn off, even with me holding the throttle closed. Cleaner cut on the grass. When I got it running, it went to incredibly high RPM's. Engine Stalling, Surging or Running Rough. While it's not dangerous, it can be a symptom of other problems, and should be addressed. Don't see your answer here? Try our FREE Tech Support Forum. Introduced in 1997, the GCV160 engine offers lighter weight, less mechanical noise, improved fuel efficiency and the world’s first small engine internal timing belt. When the lawn mower doesn't get enough fuel, it won't run. Used it 3 times and went to use for the fourth time and it will not start. While this part is in a troublesome situation, the whole purpose of a lawn mower gets stuck. Below $200, you’re definitely looking at a bare-bones, no-frills gas mower mower that probably won’t be highly durable. If it fills slowly, the mower cuts out, but can often be re-started after it's been left for a while (because the bowl re-fills). Lawn mower revs up and down constantly, please advise. If you're having trouble with your lawn mower find out why your lawn mower won't start. 274632, bought new in 2005 mower started to idle high-lever will not change speed-if mower blade is engaged, then motor slows,but then disengage and motor resumes imedietely to high. Sometimes these screws can vibrate out of their settings and affect the revs. yardman model # 13BN660G352. Taylor, Amie. So after you get you riding mower started and warmed up, crank that throttle up and don’t bring it down until you are planning to stop for the day. For pest control service go to penningtonpest. This mower will last me a long time!. The Bail lever is the engine on/off control, it must be pulled and held in order to start and keep the engine running. If your lawn mower will idle, but stalls on throttle, check the muffler and carburetor. When your lawn mower or rototiller won't start or stalls while you're using it, the problem is usually fairly easy to solve, requiring maintenance of the spark plugs, air and fuel filters and the carburetor. Before beginning, be sure your mower is on a flat, level surface. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Fuel makes its way through the carburetor using several different passages.