Ideally remove the plug. Push the throttle all the way back, and all the way open. Eugene Brennan (author) from Ireland on October 18, 2019: It could be several things including a battery that wasn't fully charged when you bought it so starting took a big chunk of charge out of it. Husqvarna LC221A lawn mower will not start. Make sure the "dead man's handle" control on the mower is held fully against the mower handle while starting. If your rip cord is pulling but the motor will not fire you might be out of gas! Bad compression can also lead to difficult starting. Question: How do I check for a spark on a lawn mower engine? When I turn the key on it does not turn over the engine. I have a decently nice Snapper push lawn mower with a Briggs and Stratton engine. If you want you can check the spark plug, connections, air filter, etc. To start your riding lawn mower, engage the brakes, shift the gear to neutral, open the throttle, turn the ignition, and then fix any issues preventing the mower from working properly. If you find that your mower is still not starting, there could be an issue with the carburettor. The first step in learning to repair lawn mower starting issues is to check the gas tank. The Certified 174cc 3-in-1 Self-Propelled RWD Lawn Mower is designed with your comfort in mind and is equipped with self-propelled RWD, high-capacity engine, cutting height adjustment and other important features to help maintain your lawn … Unscrew the gas cap and look inside the tank, if you can’t see any gasoline you need to fill up your tank! One of the most common reasons your lawn mower might not be starting is your tank is running on empty. first. The Honda Harmony II HRT216 is a 21-inch push lawnmower with a Honda GCV160 engine. Replace it and remove again. The battery voltage should be over 12 volts for the engine to start. 4. You can wash sponge filters in detergent, squeeze dry in a cloth and add a teaspoon of motor oil and massage it through the foam. It might sound a bit too obvious, but low fuel could be the reason your lawn mower won’t start, especially if you had previously used your mower for an extended period without refueling. So why won't your riding mower start? I have been unable to get it started. Eugene has a keen interest in DIY and gardening. Like … Not sure how you'll remove excess fuel form the tank. A whole bunch of tips on how to get your lawnmower to start again!The problem why it suddenly does not want to start could be in different areas. With that in mind, we are going to cover some of the more common lawn mower issues. If one of these things is missing or broken, the engine will most likely not start. New mowers are also normally sold without engine oil (so it doesn't leak out if a boxed mower ends up upside down during transit) so you will more than likely have to add that also. Its 4 years old and I accidently left it in the rain last week. Lawn Mower Won't Start After Winter For an engine to startup, it basically requires two things: fuel and a spark. I have it tuned up every year (it's only two years old). Oil should be changed after every 25 to 50 hours of run time as advised in your engine manual. One of the last possible reasons for a lawn mower that will not … (brand new mower). I was able to start it once this year and mowed 3 acres but still have 4 to go. If none of the above tactics work, you can check out our tool to diagnose and troubleshoot your mower or take it in for lawn mower maintenance at a local service dealer. Lawn mower will only crank but not start and only when hooked up to cables. The most common reason for a riding mower cranking over but not starting, is bad gas, but other possible reasons include: Gas Valve Off; No Gas; Choke Fault; Plug Wet / Faulty; Plug Wire Off; Bad Battery; Air filter Blocked; Gummed / Faulty Carburetor; Coil Failure; Faulty Control Module; Flywheel Timing Off (Shear-key) The lawn mower was working awesome up until last week. Thank you!My gear:http://megasafetyfirst.blogspot.com/p/my-gear.html If you're getting gas to the lawn mower carburetor, check to see if there's any fuel in the bowl. If the inlet valve from the tank isn't working properly in it though, maybe fuel could overflow into the carburetor, flooding it Try removing fuel and leave the mower to sit for a while for any fuel in the carburetor to evaporate. Disconnect and empty the cuttings bag. The most likely cause of a lawn mower engine not starting There are many causes for engine failure but by far, the most common cause is a faulty spark plug. These can jam the blade. Check the dipstick. Steps. One reason is the engine flywheel brake is in place. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Original uncaptioned image - Charles and Hudson, CC by SA 4.0 via Flickr. Thanks in advance. The Lawnmower Will Not Start. The lawnmower may not start if the bag is detected as full by the lawnmower's system. Bring this bar all the way down to the handle, and then try pulling the starter rope again. When the spark plug doesn't fire or fires intermittently, your lawn mower engine won't start, or if it does start, it will stall. When your lawn mower engine turns over easily, but won't start, you will have to troubleshoot the cause of the problem. My Harmony HRT 216 Lawn Mower Won't Start But Has Spark?. Follow step-by-step instruction to determine why your mower won't start: checking fuel levels, spark plug, carburetor and compression. Try replacing spark plug with a new one. Skitterphoto, public domain image via Pixabay.com, Snow blowers use 4 stroke engines just like lawn mowers, Remove the spark lead if you need to clean under the deck or turn the blade. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters. Fast forward to today, I'm a knuckle head and left the key on so the battery was dead. What can I check next? does that need to be removed 1st? Proper Startup Procedure. Eugene Brennan (author) from Ireland on June 19, 2020: I presume you mean you placed it on its side? Your Mower Won't Start: Be sure you're filled with fresh gas first. 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. For an engine to startup, it basically requires two things: fuel and a spark. Sometimes I use a thoroughly washed out pump from a handwash bottle that produces a jet and squirt fuel into a container (don't use a spray type version!). LT 42 This brake is the bar you hold down on the handle, and you release it to stop the engine. (An assistant could hold it with a plastic clothes peg). My Lawn mower won't start? During the summer, dust and dirt can block the fuel system or clog filters. Also, check the spark lead and make sure the kill switch isn't shorting out the primary when the throttle is set to the run position. However, my lawnmower quit starting for good right at the end of the season last year. Check the manual for the recommended way to tilt the mower. I decided to let it sit until this spring when I’ve finally decided to try to fix it. I am trying to cover most of the most common issues you may run into:- Missing or bad fuel- Shutoff valve is closed-Air filter is clogged or dirty-Spark plug is bad or dirty-No spark-Not enough or too much oil-Carburetor is dirtyGood luck finding what is going on with your lawnmower.Please make a comment if this video was helpful or not! Make sure there is enough fuel in the gas tank and check the vent in the tank cap is unblocked, Check the spark lead is firmly attached to the plug, and the plug is tightly screwed in. You may find the mower cuts out during use when the bag reaches capacity. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. I've had a look inside it and very basic, just a single main board that controls the motor. Move the mower to a level surface, remove the dip stick and wipe clean. Has happened mower, but there is still no spark fuel form certified lawn mower not starting... 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