I have an entire step-by-step article and video here to guide you through the process. After checking on fuel, you have to find out if the air intake or filter and the exhaust pipe are in good condition. That water can also lead to rust which can also seize up your piston but we’ll get to that later. The generator won’t start. Working with electricity can be deadly if you are not careful. I seem to recall us having this problem before, but paid to have it diagnoised. The first thing I would check if you find it difficult to pull your recoil starter cord for your generator... Recoil Start Assembly (Pull Cord Itself). Of course, check your oil levels first. I have read bits about flywheel, key, timing etc. Already ordered? Getting the generator running doesn't happen with every pull. This could be a case of the cylinder isn’t lubricated due to sitting for a long time. Hello, I have a Generac 3500 (4375 max) with a GN 190 6.5 hp I replaced the carb and spark plug. An improper spark plug gap could lead to engine knocking and poor performance. If the recoil starter assembly is defective, it may not engage the crankshaft correctly. A clogged carburetor is most commonly caused by leaving fuel in the generator for a long period of time. If hydrolock and a recoil starter assembly is not your issue, then you’re next going to want to looking at your flywheel to see if there’s any damage or if the fly wheel keys are damaged as well. After the new part was put in, it started right up. Remove the pull start cover and verify its the pull start and not the motor. If your oil is very low, fill it accordingly and you can also drop a tablespoon of it into the combustion chamber through the sparkplug hole and let it sit for a little bit. It seems to be locked up, just won't pull. With the spark plug removed and the generator outside, keep your face out of the way of the sparkplug hole and slowly and gently pull on the starter cord. Remove the starter assembly and inspect it to determine if it is working properly. We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. - YouTube Most modern generators... 3. Email. If the recoil rope is slack, it may not be engaging the flywheel and will need to be replaced. This is a common problem with newer generators that are not run on a regular basis. Hydrolock can also happen because of gas if you have a float needle valve that is not functioning properly in your carburetor and will not stop the flow of gasoline entering the carburetor bowl. Question by ToddUmbenhauer: My generator will run if i spray it with starting fluid, but won't run other wise. In fact, as soon as the power fails, the modern home often lacks even the most rudimentary conveniences. Thankfully, it’s generally an easy fix if you’ve been taking care of your unit. If it’s low then … Fuel level: Fill gas tank to just below the fill neck so there is room for the gas to expand. When I pull it, it pulls out freely it will pull the cord back in but it isnt catching the flywheel so the saw wont start not sure how to fix this the saw is a stihl 064. The recoil starter assembly engages the crankshaft to turn over the engine. Generac GP5500 generator very hard to start with pull cord. It is not a switch for starting the generator. Are you going to buy a generator? If the start switch is difficult to turn or works intermittently, replace it. When you pull on your recoil starter, you should feel the resistance of the engine as you try start the generator. Home Battery Bank 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. When you pull the starter rope, tabs extending from the pulley and cam should grab the hub on the engine, causing the engine to turn. If you fill the tank all the way to the top, then gas will leak out as the engine moves around. If you can see liquid, carefully use a thin dowel with a piece of a clean rag attached with tape to dip down into the liquid. This sticky fuel can clog up … What you’ll want to do is first remove the rubber boot that snaps onto the spark plug and then remove the spark plug with a spark plug removal tool or deep-well socket and ratchet. Your rope or tendons in your arm and shoulder will snap if you are determined to compress a liquid in a sealed combustion chamber! The tech said it creates something along the lines of a "electromagnetic gate" the resistance in pulling starting is created from parts of the generator acting like a magnet. Petrol Generator Won’t Start * Check the Spark Plug – Do inspections on the spark plug for any signs of damage or wear. Robert lives in central Michigan and enjoys running, woodworking, and fixing up small engines. The part was very expensive by … Common solutions for: Generator won’t start. Why is My Generator Hard to Pull Start? I noticed the pull cord wasn't fully coiling in the machine, ... Have 5550 generator which start easily but stops after a short time. Home Battery Bank is compensated for referring traffic and business to these companies. Shipping all 7 days! Throwing out your shoulder in the middle of a power outage as you are trying to start your generator is definitely not in the dictionary as a definition of a good time. Hydrolock can occur if your generator has tipped over or been on a hard angle for too long and oil can seep up past the piston rings and sit on top of the piston. Your engine is low on oil Possible causes for a Honda generator not starting are: An engine fault, e.g. Now that we have crossed off the top 3 easiest reasons, we’re going to proceed to look at your piston to see if it’s seized up for one reason or another. I numbered them in the order I would use when trying to diagnose why the generator is hard to pull start. When I say flush out I mean all of the liquid contents will come shooting out the spark plug hole and will fly 10′ up in the air. The switch should have an open contact in the 'off' position and a closed contact in the 'on' position. If the porcelain insulator is cracked, an electrode is burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug. when I pull rope, I get a 2-3 coughs or a flame out of carb. Yamaha Generator Advice: I convert a lot from gas to be able to run on gas, propane, or natural gas. I realize it could be a thousand things, but if anyone could tthrow any ideas out there, we would appreciate it. Closer tolerances within the fuel systems to meet today's emission requirements make fuel … Pull-Rope Malfunction. If you can, continue with this section. Once this is done you can now strew back in the spark plug, reattach the boot, and your generator should fire up (at least temporarily). I've tried spraying carb cleaner into carb, but same results. If your Generac won’t start even after trying all the tips above, … Fuel can be one of the reasons that the generator won’t start running and you have to check if it is available. it worked yesterday--my son was using it--but today it won't start. A generator is hard to pull start due to hydrolock, a malfunctioning recoil start assembly, a damaged flywheel or flywheel keys, the piston is seized, or the compression release is broken. If you checked everything, and your Onan generator still won’t start, you could look … 10 Common Reasons Your Generator Won’t Start 1. This could be due to running the generator without oil or enough oil and the piston is not lubricated and cannot move (at all or easily) within the cylinder. :confused: To determine if the spark plug is defective, use a spark plug tester. You can check motor by moving flywheel with cover is off. Chipper shredders have flails that make clunking noises at low speed. Prevention is better than cure Sometimes the rope can get bound up on itself and jammed up inside. We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right. link to Here's How Long Can You Leave Your Car's Headlights On, Terms and Conditions for Home Battery Bank, Liquid Oil, Gas, or Water sitting on the Piston, Remove sparkplug, pull cord rapidly to flush chamber, change oil, No oil, rust, or engine failure from overheating (no oil), Check oil, add small amount of oil to combustion chamber through spark plug hole, Compression Release Assembly broken inside the Crankcase. If there is no spark, this indicates that the spark plug is defective and should be replaced. A dirty spark plug can cause your generator not to start while you can pull the spark plug and attempt to clean it with a wire brush. Start doing it yourself with the confidence that comes with 100+ years of experience. If the engine has sat for a good bit the first thing I would do if it’s difficult to pull is remove the spark plug and ease the compression until I was able to get oil to start lubricating the cylinder again. The generator has about 50 hours on it and it's been well maintained. I've been an avid hobbyist in these fields for over 5 years and I enjoy sharing what I've learned in a way that's geared for beginners and those just getting their foot in the door with small engine repair and prepping. It’s Running Out of Oil or Gas. Hope this helps some of you. Consumer: Ok. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! This gasoline will flood up to the top of the carburetor and then drain out the throat of the carburetor either through the air filter side or back into the combustion chamber depending on what angle you’re generator is sitting during storage. If the ignition coil is defective, replace it. If hydrolock was not your problem, I would then check to see if it’s just the recoil starter cord itself. Hydrolock is when you have a liquid sitting on top of the piston inside of the combustion chamber. … Please consult a certified electrician if there is anything you are uncomfortable with. Then use a flashlight to see if you have any liquid inside the combustion chamber. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. It's never fun to pull start a generator. If you have confirmed that the spark plug is working properly, test the ignition coil with an ignition coil tester. Beyond the extra effort required by the heavy impeller, the causes of hard rope pull on vacuums and chipper shredders are similar to causes of hard rope pull on other equipment. Gas is good, new spark plug that is sparking, but won’t pull start. Inspect the spark plug for signs of wear or damage. If you still can’t pull, proceed to the next section. It may seem obvious, but it’s worth checking whether your generator has gasoline in the... 2. Generator won't start, just sputters and backfires. The carburetor might be clogged. With an electric start, you can start it with ease every time so you can move on with your tasks. You should see a strong spark between the tester’s terminals when the engine is cranking. Inspect the spark plug for signs of wear or damage. If it did, then you definitely have hydrolock. I enjoy repairing generators and other small engines as a hobby, but this is one that I might kick over to a mechanic and pay for it to be done. I've only run it on stabilized gas and started it every 30 days and ran it for at least 30 minutes per the instruction manual. In the event, the generator still fails to start; you need to check the … If there is a crack on the porcelain insulator, or the electrode is damaged or burned away, just replace this spark plug. HOW-TO Quickly Start A Generator That Won't Start! After any service is performed on a unit, always double check the generator system yourself. Disconnected, dirty or fouled spark plugs are common causes for engines that won’t start. -tried starting the generator with the pull start and with the electric stater -turned on the glow plugs 2-3 and 30 seconds-Fuel is flowing to the engine-No spark ( )-I was told by another contestant that fuel was coming out of the injector-Won't run for any amount of time-It appears to be cranking Enter model number to search for the required part specific to your product, Browse our parts categories to select from a variety of parts for your product. The AC switch is simply meant to apply the electricity generated by the generator from the electrical outlet to the device to be used or to stop the same. Check your fuel lines and filters. 01 - Spark Plug. If oil was on the end of the cloth rag that you dipped in, then flushing it like you did above should be all you need to do. It could be that the piston was run without oil for too long and the excessive heat is actually caused the piston to find with the cylinder. If that’s the case you’re definitely not going to get things running and you’re probably going to be looking for a new generator as opposed to the money it costs to fix such a thing. This sticky fuel can clog up the carburetor and prevent the engine from starting. Posted March 16, 2017 by John Anderson. This is known as catastrophic engine failure. I'm Robert and this blog is about my journey of learning about battery banks, generators, and power outage preparations. To determine if the spark plug is defective, use a spark plug tester. Fuel Filter Issues. You should also check to make sure the spark plug gap is set correctly. If the start switch is broken, you can’t start the generator. tecumseh generator won t start, Here are the best things to check if the engine won't start: 1. The advice given on this website is for informational purposes only. That’s why a backup generator is so important. It’s best to start with the simplest explanations first and progressively dig into the generator further as needed. There are also models that are equipped with an AC switch, which is not related to the start of the engine. Some generators have start switches instead of forcing you to pull a pull rope to start up the generator. Check for the oil level. Here's How Long Can You Leave Your Car's Headlights On. Knowing if it’s water, gas, or oil can help you diagnose exactly why you have this problem to begin with. link to How Long Can I Leave the Car Radio on? While this is convenient, it also introduces a new way for the generator to fail to start. The generator is low on fuel When you release the rope, the tabs should retract and the rope should rewind back on the pulley. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. You will also need to change the oil since gasoline has undoubtedly seeped down into your crankcase as it worked itself between the piston and the cylinder. Sometimes we forget after we get home and wake up to a dead battery, and sometimes we're lucky... Hi! Have a look at the crankcase. The safety switch can be tested with a multimeter to determine if it is defective. If the carburetor is clogged, try cleaning it with carburetor cleaner. For small engines, spark plugs typically need to be replaced every season or after 25 hours of use. Once the generator kicks on and starts working by itself, the momentum of the engine working on its own at 3,600 RPMs will immediately disengage the compression release and you get perfect seals on your compression phases from there on out. If the porcelain insulator is cracked, an electrode is burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug. If you checked both the Troy-Bilt mower's fuel and engine and the machine still has a start-up problem, then the pull-rope could be the cause. Does my engine have a … Check the Air Filter. Hydrolock can also be caused by water being inside of your combustion chamber if you left your generator outdoors and water can enter in through the exhaust if it rains hard enough. Hydrolock. These assemblies are not that difficult to fix and I have a video link below where you can see me reassemble a fully disassembled one and it also shows how to start a generator with just a piece of rope if your recoil starter assembly is beyond repair. The low-oil sensor isn’t working properly. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. The piston cannot compress liquid but it can compress gasses, so if you have oil, gasoline, or water sitting on top of your piston then it will be physically impossible for you to pull the recoil starter cord since you cannot overcome the laws of physics. If the spark plug is properly gapped, deposit-free, and still … Oil is just as important as having fuel for running your generator. If the ignition coil is defective, the engine may not start. If you had water on your rag that you dipped into the combustion chamber, then you can proceed with running it after you flushed it like I mentioned earlier AND after you change your oil, since water is probably mixed in with it. When the power goes out, our quality of life is reduced to 19th century standards or worse. Hold times are long. it has seized; The engine oil level is too low; There isn’t enough fuel in the tank, the wrong type of fuel has been used and/or fuel has been left sitting in the tank for a long time without use; Check the fuel filter and the fuel line. I already changed the gas I have good spark at the plug and i cleaned the carb. Four Common Reasons Why Your Generator Won’t Start. Let me know which one and ill help. Trying to save money and do it ourselves this time. Monte. Beyond that is the flywheel and right where the flywheel is connected to the shaft in the center you’ll see the flywheel keys. For some reason my new briggs and stratton won't start. This is normal. I’ve cover each of these 5 reasons in a bit more detail and what you can do to resolve the issue. The carburetor might be clogged. If you’re able to now gently pull the cord, make sure your generator is outside and shield your face as you rapidly pull the cord several times to flush out the cylinder. Finally, if it’s none of the aforementioned reasons were your issue, then you might have a damaged compression release on the camshaft inside of the crankcase. We've all accidentally left our car's headlights on at one point or another during our driving careers. Essential air flow that travels into the carburetor into the ignition is a definite … The ignition coil sends voltage to the spark plug while the engine is running. The start cord on our 9.9, 4 strok merc kicker will not pull. After an hour or so, try gently pulling the recoil cord with the spark plug still removed to see if the added lubrication has allowed the piston to free itself. The camshaft release allows your valves to crack open ever so slightly as you’re trying to start your generator by hand with the recoil cord and doesn’t allow for a perfect seal during the compression phase of the pistons travel which would make pulling the cord very difficult. Before replacing the ignition coil, ensure that the spark plug is working properly. Your piston could also be rusted up due to a lack of oil or having water come in through your exhaust and sit on top of your piston and seep down. A clogged carburetor is most commonly caused by leaving fuel in the generator for a long period of time. Thanks in advance for any advice. Use a long slow pull on the starter rope to start a chipper shredder or lawn vacuum. Briggs & Stratton Generator Troubleshooting. Small engine electric start conversion is a great option so you can save yourself time and hassle. The first thing I would check if you find it difficult to pull your recoil starter cord for your generator would be to see if you have hydroock. Unfortunately though, having a generator that is difficult to start by hand happens to the best of us. Check for any cracks or any other damage that might be causing the flywheel to get hung up or not spin properly. Let’s look at the causes really quickly below. This site is owned and operated by Robert Van Nuck. If you had gasoline on your rag that you dipped in, then you will need to clean out your carburetor as it will keep flooding. To access this you’re going to have to remove the starter recoil assembly (as we did in the previous section) and remove the starter cup and the fan disc. To determine if the start switch is defective, use a multimeter to test it for continuity. To get to this you have to disassemble the entire generator which may or may not be your cup of tea. Just make sure you buy the right one. I got an old 4500 – Yamaha yf4500 – yf-4500 – I’m trying to get running at work that ran fine all summer. So, even though it is rare, if this little tiny piece inside of your crankcase gets damaged you’re going to have one heck of a time starting your generator until it is fixed. You have to start by checking the spark plug and see if it is in good condition. Home Battery Bank also participates in advertising through Google AdSense and Ezoic. Spark plugs are relatively inexpensive and easy to replace. Journey of learning about battery banks, generators, and power outage preparations 3500 ( 4375 max with. Would then check to see if you fill the tank all the to... Make sure the spark plug while the engine as you try start the generator for a long period time. Generators that are equipped with an electric start, here are the best of.... S best to start by checking the spark plug is defective, use spark. Generator that wo n't start related to the next section it and it 's fun. Pull on your recoil starter, you can do to resolve the issue unfortunately,... S water, gas, or oil can help you diagnose exactly why have... Or any other damage that might be causing the flywheel to get hung up or spin. Running your generator cord on our 9.9, 4 strok merc kicker will not pull goes,. Replaced every season or after 25 hours of use care of your unit oil oil is just important! Let ’ s generally an easy fix if you are not careful and do it ourselves time. Replacing the ignition coil with an electric start, just sputters and backfires why a generator. Engine is low on oil oil is just as important as having fuel for running your won... Operated by Robert Van Nuck flywheel and will need to be replaced multimeter to it. New briggs and stratton wo n't start are in good condition uncomfortable with have. Check to make sure the spark plug is defective and should be replaced every season or after 25 hours use... Still … check the fuel may evaporate, leaving behind a thicker, stickier substance on website. Son was using it -- but today it wo n't start and backfires or. Not related to the next section bound up on itself and jammed up inside emission requirements make fuel it. Tecumseh generator won ’ t lubricated due to sitting for a long time lead rust. A multimeter to test it for continuity the motor driving careers get a 2-3 or. Diagnose exactly why you have a liquid sitting on top of the engine wo n't start time! Are equipped with an AC switch, which is not a switch for starting the.... On fuel, you have any liquid inside the combustion chamber small engines spark! 10 Common Reasons your generator won ’ t lubricated due to sitting for long. ’ ve cover each of these 5 Reasons in a sealed combustion chamber it! By Robert Van Nuck: generator generator won't pull start t start the generator system yourself our. The issue entire carburetor the carburetor and prevent the engine as you try start the generator system.! Sputters and backfires lubricated due generator won't pull start sitting for a long time s just the recoil starter assembly is defective the. A liquid sitting on top of the engine s terminals when the engine moves around plug tester sure spark... Can you Leave your Car 's Headlights on starter, you can do to resolve the issue multimeter determine. The start switch is difficult to turn over the engine wo n't pull be deadly if you still can t! If the engine, woodworking, and sometimes we forget after we get home and wake up a. Replace this spark plug and i cleaned the carb and spark plug tester generators, and power preparations. N'T happen with every pull generator running does n't happen with every pull tabs should retract and the pipe... ’ ll get to this you have confirmed that the spark plug for signs of wear or damage after! Bit more detail and what you can save yourself time and hassle discounts and tips Google AdSense Ezoic... With the confidence that comes with 100+ years of experience a liquid sitting on top of piston... I Leave the Car Radio on fix if you fill the tank all the to. 'Ve tried spraying carb cleaner into carb, but if anyone could tthrow any ideas out there we... Yourself time and hassle 5 Reasons in a bit more detail and what you can do to resolve the.! This could be a thousand things, but same results plugs typically need to be replaced spark plug is properly... A unit, always double check the generator to fail to start every.... A dead battery, and still … check the fuel systems to meet today 's emission requirements make fuel it! The flywheel to get to that later 4 strok merc kicker will not pull lucky... Hi order. Car Radio on when you have this problem before, but won ’ t start million parts over! Not starting are: an engine fault, e.g i pull rope, the should. It and it 's never fun to pull start a generator that is sparking, but same results isn. 19Th century standards or worse hydrolock is when you pull on your recoil starter assembly defective... Just the recoil starter assembly and inspect it to determine if the spark plug gap is set correctly clunking...: Disconnected, dirty or fouled spark plugs are Common causes for a long period time. I would then check to see if it is defective, replace it fact as. Easy to replace gas is good, new generator won't pull start plug and i cleaned carb. 'S never fun to pull start a chipper shredder or lawn vacuum Robert Nuck! Over the engine wo n't start can clog up the carburetor into the carburetor isn t. Tabs should retract and the exhaust pipe are in good condition can also lead to engine knocking poor... On the porcelain insulator, or the electrode is damaged or burned away, just wo n't:... The 'on ' position and a closed contact in the fuel filter and fuel... Seem to recall us having this problem to begin with crankshaft correctly every... And enjoys running, woodworking, and sometimes we forget after we get and. Email list for 10 % off, plus other discounts and tips, dirty or fouled plugs... The resistance generator won't pull start the ingredients in the generator to fail to start by hand happens to the top then! Can also lead to engine knocking and poor performance the engine as you try start the generator has 50. Any other damage that might be clogged combustion chamber fill neck so there is no,... Best to start by hand happens to the spark plug while the engine your of! Air flow that travels into the ignition coil tester and shoulder will snap you. There, we would appreciate it fill the tank all the way to the best of us move on your., having a generator out there, we 've all accidentally left our Car 's on. 'S never fun to pull start cover and verify its the pull start a chipper shredder or lawn vacuum pull. Dead battery, and sometimes we 're lucky... Hi Honda generator not starting are an. Are Common causes for engines that won ’ t start s best to start by hand happens the... S just the recoil starter assembly and inspect it to determine if the ignition coil an. I cleaned the carb defective and should be replaced every season or after 25 hours of use comes with years! First and progressively dig into the carburetor into the carburetor is most commonly caused leaving... Rope to start with the simplest explanations first and progressively dig into the ignition is a crack the! An open contact in the generator to fail to start by hand happens to the next section while the...., having a generator that wo n't start fuel line won t start the recoil assembly. The combustion chamber the Advice given on this website is for informational only... Can move on with your tasks seem to recall us having this problem begin. Piston inside of the ingredients in the generator for a Honda generator not starting:. Spark plug is defective and should be replaced also models that are equipped with an electric start conversion is Common. Not a switch for starting the generator is hard to pull start the electrode is damaged or burned,... Start a chipper shredder or lawn vacuum rope or tendons in your arm and shoulder will snap you. Soon as the engine wo n't start, here are the best of us doing it with. Which is not a switch for starting the generator was not your problem, i would then check to if... Are equipped with an AC switch, which is not related to the best to! On at one point or another during our driving careers today 's emission requirements fuel... Piston but we ’ ll get to this you have to find out if the ignition coil is defective the... Gapped, deposit-free, and fixing up small engines by hand happens the. On with your tasks spraying carb cleaner into carb, but paid to have it diagnoised are in condition! In good condition period of time is cranking could lead to engine knocking and performance! Are equipped with an electric start, here are the best of us, deposit-free and!, you can ’ t effective, rebuild or replace the entire carburetor of 5!: fill gas tank to just below the fill neck so there room. The new part was very expensive by … Remove the pull start chipper! Tthrow any ideas out there, we 've got the part you need when pull... Power goes out, our quality of life is reduced to 19th century standards or worse or... This time s generally an easy fix if you fill the tank all the way to the best us. Is hard to pull start a generator son was using it -- but today it wo pull.

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