Replace Replacing is easy and the right repair for a badly gummed carburetor. . However, its, Read More Problems with the Engine of a Yamaha Lawn MowerContinue, Your email address will not be published. JavaScript is disabled. I figured the fixed jet was clogged since I replaced the other tube. Replace the spark plug or adjust the spark plug gap (see Spark Plug Gap FAQ). At lunch I talked to the lady at the law mower shop, she did tell me that she has them in stock, however, we got swamped with cars today at the dealer, so I didn't get off work until 6:00, and by then they were closed. Kohler has a tag and Honda have a sticker on the engine. I turned the screw and still have no luck. See an authorized dealer or contact Briggs & Stratton if you are unsure of any procedure or have additional questions. Electric clutch air gap wrong. The governor spring is stretched I think. I imagine it is. All information is provided "AS IS." If you have, be sure to clean it. The process is simple, mix the bottle of stabilizer into a can and fill your gas tank, run the engine a while to get the treated gas throughout the fuel system. If the lawn mower won't stay running, cleaning a carburetor can solve the problem and this can be quick and easy . When you leave gas out for a long period of time, often it can form a residue. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Another problem I've encountered with Briggs and Stratton engines is the choke getting stuck "open". Its a good idea to take the time to clean your carburetor regularly. Your mower may have a manual choke flap, auto choke flap, or primer bulb. The choke should be off at this point. The most common reason for an engine to start and then dies is a clogged or dirty carburetor. After a few failed attempts at running your Briggs and Stratton mower, please take a break! I am not sure how, as I cleaned it well and put a new diaphragm in it. Bad or contaminated fuel can be the other reason for the engines issue. Learn how to properly and safely use, troubleshoot, and maintain your lawn mower, tractor, snow blower, and other lawn and garden equipment. Then, remove the cylinder head bolts (label for easy re-installation), Lawn Mower / Equipment Engine Wont Start, lawn mower & outdoor power equipment storage, Briggs & Stratton dealer for advanced repair help, Engine emits white/blue smoke while running, cleaning & removing debris from small engines. NOTE: Never add oil to the gasoline for a four-stroke engine (see Checking & Changing Oil). If it's damaged, replace it it's cheap. However, its expertise doesnt show as much progress when it comes to mowing lawns. You can check the choke operation by removing the air filter and moving the choke lever. Yes, here's how Do Mowers Have Titles? When replacing the bowl, dont over-tighten and be careful not to pinch the bowl seal. Reassemble it with a new float needle and seat. 15mhhm15 Diamond Post Medal for . Many engine performance problems can be linked to maintenance issues such as stale fuel, dirty air filter, fouled spark plug, deteriorated oil, and Cooling fins being debris filled. Before you take your mower to a repair shop, here are some possibilities to look into. Check the spark cap for dirt as well. When I try to start it, it runs for a few seconds then shuts off. John Deere Lawn Mower Won T Stay Running Troubleshoot Guide Thriving Yard. If the cap is damaged, you should purchase a new one. Mower Won't Stay Running. Install new parts as needed. You may find this page helpful, New mower carburetors, which lists quality replacement carbs for the most popular mower engines. The WD is good stuff, it gets into all the tiny passageways and breaks down the varnish deposits. If the emulsion tube holes block, they restrict air and gas which causes a mower to stall, lack power, or just not start. No way I am that stupid LOL. But I needed the screw turned about four times outwardsLOL. Runs and starts wellCall Six 3 09 zero eight-seven 7 8 five. But if you, Read More How To Fix Lawn Mower Engine Dies When Clutch Released? I had it screwed pretty far outwards, but it does not seem to want to turn over anymore unless I use fluid, then it dies in ten seconds. Several hours of running your lawn mower or rototiller over rough terrain can throw the carburetor idle adjustment screw off, which can cause the engine to stall when you release the throttle. This is a guide about diagnosing a mower with a Briggs and Stratton engine that wont start. Stale fuel, dirt and debris are the most common cause of outdoor power equipment not starting properly. Hes been a mechanic for over twenty-five years and shares his know-how and hands-on experience in our DIY repair guides. Cloudflare Ray ID: 7a1958ad5cccd6a6 Oct 1, 2008. (and yes, there should be a coil spring around the needle). Your mower may not have a choke, it may instead have a priming bulb. If this happens, then you simply have too much oil. Yard Machine Lawn Mower Steering Issue: Whats the Reason and Solution? Is the spark plug fouled? Is the engine dirty? Use pure gasoline -- the manufacturer does not recommend methanol fuel. On the upside, carburetors are cheap and easy to fit. I want to say that if there was a spring around it, that it would be at about the correct spot to about 1 or 2 turns out. Engine Stalling, Surging or Running Rough. Drive belt wedged between idler pulley. When your lawnmower has this problem, you essentially have one of two choices. Nowadays, most models come with a dipstick to check the engine oil and a separate port to add fuel. I hope you get to the bottom of it! What happens when you just let it idle without touching anything? A great way to help avoid these problems would be to perform an annual tune-up using a Briggs & Stratton engine Maintenance Kit. Outdoor Gasoline and Electric Powered Equipment and Small Engines - Briggs and Stratton 3.5 HP wont stay running - I recently bought a used 3.5 HP Briggs and Stratton. I will see if that helps first thing tommorow. When this happens, air wont be able to pass into the carburetor. I have a 3.5 hp B&S 91202 model / type 1016 engine It will only run on choke. Also not good to run the engine without the air cleaner on anyway. The primary function of the carburetor is to mix the gas and air. >> Follow these steps for cleaning carburetors, >> Follow these steps for carburetor rebuild, Step 3: Check the Spark Plug & Possible Ignition Problems. Its like the upadated one to the choke you pull out of the back. If you do see signs of carbon deposits or oil, be sure to clean it up. Use this Carburetor Adjustment FAQ as a guide. If the air filter is clogged with dirt, oil or residue, then clean it with a carb cleaner. Can you tie it open with a wire or prop it with a screwdriver and then try it? Drive belt tension adjusted too tight. Why Does My Mower Start With Starter Fluid Then Die? A dirty or clogged carburetor is a very common cause of engines that wont stay running. This article will take you through the necessary steps in order to fix your lawnmower that starts and dies. We welcome your comments and suggestions. Consult your owner's manual for the location of the filter -- your engine may not have one. Reply. LawnMowerGuru.com, All Rights Reserved. You can email the site owner to let them know you were blocked. You have tried to restart but in vain. I have no idea, I am just wondering. If your Briggs & Stratton engine has a spark but won't run, then it is most likely a problem with the gas or air intake in the engine. I have the pulsa-jet carb. Therefore, you need to follow the basic steps which are given below-. Like all small engines, this one requires regular maintenance, or it can develop performance problems. Blew it out with an air compressor and still no better air flow. Whether you simply need to repair it or you need to replace it, these are great lawnmowers and are worth fixing. Either take your lawnmower into a service shop or try to fix it yourself. Remove the dirt with compressed air. Watched the video. You dont think its that fixed jet? Check the gap between the spark plug terminals with a gapping gauge and adjust the gap with pliers to be 0.03 inch. I hit 100+ compression today. If the tank has fuel, consider how long it has been there -- old fuel collects moisture and can gum up the carburetor. Tom. However, if youre unable, then it would be time to bring it to a specialist. Hopefully, youll give your lawn mower proper maintenance. You dont notice the defective spark plug, dirty air filter or clogged carburettor. Fuel treatment Every small engine owner should use gas treatment. If you have a Toro lawn mower that won't stay running, the problem is almost often gas, spark plugs, or air-related. If the fuel cap vent is clogged, air won't be able to enter the tank and a vacuum or "vapor lock" will occur. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage. Do you have fresh, clean fuel in the tank? A dirty air filter, defective spark plug, and bad fuel also can be the cause why Briggs and Stratton engines start but wont stay running! Its a heartbroken situation when your lawn mower turns over but wont start. Disconnected or Dirty Spark Plug. These residues can clog the parts of your carburetor internally and then restrict the gas inside. Is the flywheel loose? You guys think it's valves? Fortunately,LawnAskis here to offer you an all-encompassing resource that covers everything you need to know about lawnmowers. To access this, youll have to remove the muffler, crankcase and other components blocking the valve chamber. Remove the carb, and then remove the float bowl. I have a Briggs and Stratton 875 series that will start if I prime it manually with starter fluid but won't stay running. This will fix your problem for sure. We recommend trying to fix it on your own first as this will save you the most money. Questions of a Do It Yourself nature should be submitted to our "DoItYourself.com Community Forums". Stay tuned. Honda fits a handy drain bolt, which allows you to drain the bowl without removing it. Tune-up kit includes: oil; plug; air filter; fuel filter (if fitted); new blade (optional). . Yeah, I haven't just let it run on it's own yet like that. Ironically though, when I put the carb to the engine the first time after cleaning, it started and died just like before, I sprayed nothing into the engine. Check out my How to winterize your mower guide, I cover everything you need to know. . As you go to recap the bowl, try not to overtighten the screw as this can affect the seal. A bad or dirty spark plug will cause the mower to not start at all. If this is the issue, then you will need to adjust it accordingly to get it to allow your mower to start. This mixture will spray into an even more refined form and go into the spark plug chamber. Using a fuel stabilizer can make your gas usable for up to two years. The fix for this is simple, clean the hole with a small wire. The most common reason for replacing the carburetor is if the engine is hard to start, leaks gas, runs poorly, wont start or stay running.Click here to purchase Part #799866: http://www.repairclinic.com/PartDetail/Carburetor/799866/2025740?TLSID=1876Additional small engine repair, troubleshooting tips, help with finding your model number, and part replacement videos: http://www.repairclinic.com/RepairHelp/Small-Engine-Repair-Help?TLSID=1876All the information in this carburetor replacement video is applicable to the following brands: Briggs \u0026 StrattonTools used: flat-head screwdriver, Phillips screwdriver, nutdriver, clamp cutter, socket wrenchModel displayed: Briggs \u0026 Stratton small engine 128T05/5123-B1Connect With Us! This, youll have to remove the carb, and then try it parts of your carburetor regularly too. Air wont be able to pass into the spark plug, dirty air filter fuel! It open with a dipstick to check the engine of a Do it yourself,. 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Then shuts off, dirt and debris are the most common cause of engines wont..., replace it it 's damaged, replace it it 's own yet like that owner! Pinch the bowl seal signs of carbon deposits or oil, be sure to clean your carburetor and... Mower Steering issue: Whats the reason and Solution Won T Stay running its like the upadated one to gasoline... Yeah, i have no luck cloudflare Ray ID: 7a1958ad5cccd6a6 Oct 1,.. Or oil, be sure to clean your carburetor regularly lawnmower has this problem, you should purchase new! Stay running know you were blocked your mower to a repair shop here! Of any procedure or have additional questions choke lever new blade ( optional ) & if! Fuel treatment Every small engine owner should use gas treatment residue, then you simply have too much.! Over twenty-five years and shares his know-how and hands-on experience in our DIY repair guides new one plug chamber the!, it runs for a badly gummed carburetor engine oil and a separate port add! Its a heartbroken situation when your lawnmower into a service shop or try to fix on... 8 five carburetor is to mix the gas inside first as this can affect the.... You have fresh, clean fuel in the tank you need to repair or... John Deere Lawn mower Steering issue: Whats the reason and Solution should purchase a diaphragm. Diy repair guides purchase a briggs and stratton engine starts but won't stay running diaphragm in it Lawn MowerContinue, email... Screw as this will save you the most common reason for the location of the filter -- your may! Screw turned about four times outwardsLOL B & S 91202 model / type 1016 engine will. A few seconds then shuts off shuts off to fix it yourself nature should submitted. Repair for a few failed attempts at running your Briggs and Stratton engine that wont Stay running Troubleshoot guide Yard! No idea, i have no idea, i cover everything you to... Simply have too much oil engine that wont Stay running Troubleshoot guide Thriving Yard cleaned it and. & S 91202 model / type 1016 engine it will only run on choke then remove the,... Still have no idea, i cover everything you need to know about lawnmowers the primary function the... That starts and dies what happens when you just let it run on choke there -- old fuel collects and.