kubota kommander won't start

and as a result high repair bills) I know that if I take it to the dealer it will be there 1-2 weeks minimum. I share steps to take when troubleshooting and repairing a starting problem. Most of the users reported after 10 to 15 hours of work, they heard the sound of water in the tank. Replace your solenoid if it is found to be bad. Replace the starter solenoid. I'm pretty sure it's a safety switch somewhere. This will help you avoid personal injury or additional damage to the mower. Remember to follow all safety precautions before starting any work on your engine. Fuel Flow Issues . Starting problems in a mower can take some time to find because there are so many items that can prevent it from starting. Sometimes, a rust hole can be repaired if you can no longer find a replacement tank. I replaced the switch watch that video here: https://www.youtube.com/watch?v=TT0QN_xReOM The switch I got was for a 2013 L3800 Kubota TD-060-53902 yours may have a different number I did see some online but I would check your local Kubota dealer first. As the title says, I'm looking for the wiring diagram of the Z121s zero-turn mover. B21TLB (B21, TL421 & BT751) Toyota SDK4 T116 Bobcat. You can find steps for cleaning your carburetor in thisarticle. It's probably just lawyer CYA-speak. It had a grand total of 513 miles (109 hours) on it averaging about 5mph. This is most common problem of kubota z726x. Detailed information can be found at:Your Kubota Lawn Mower is Leaking Fuel. Moved it back into the garage. 1 of 2 Go to page. Sat: 8:00 a.m. Noon Sun: Closed. This is Why Your Kubota Lawn Mower Isnt Getting Fuel. A Kubota mower may start smoking when the air filter is plugged or the choke setting is incorrect restricting air flow. Sometimes your engine will still not start when electrical and fuel systems are operating properly. Note: This is a focused review on this issue for Kubota tractors.For more comprehensive walkthrough not specific to Kubota, see Diesel Tractor Starts But Won't Stay Running: Fix-It Guide. We participate in several affiliate programs by sharing links to products and sites we like. 5. Plain and simple, when I wake up in the morning I piss excellence.". you can't just bypass the switches on this mower it don't work that way. Also, check for air leaks in the fuel lines on the suction side of a Kubota fuel pump. A Kubota lawn mower can begin vibrating when the clutch bearing fails; the engine mounting bolts are worn; mower blades are unbalanced; the spindle bearings or pulley bearings have failed; the deck belt is worn or debris is lodged in your mower. Its important to use the correct engine oil; maintain the correct engine oil levels; and clean out your engine cooling fins and around the engine so air can circulate around your engine to keep it cool. JavaScript is disabled. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! I thought it was the battery so I put in a new one this morning and have the same issue. If you notice any of these symptoms, replace your fuel pump. Checking the Muffler and Spark Arrester (if Equipped) 62. Replace any electrical components found to be bad. Performing regular maintenance on your vehicle as recommended by the manufacturer will help solve the smog problem. Engine bolts are used to reduce vibration of the mower when the engine is running, Secure engine bolts and replace any missing bolts. Air must be bled from the hydraulic system after changing your hydraulic fluid or the mower will not be able to move at normal speeds. Replace if needed. This is most common problem of kubota z400. You can also replace it with a new fuel line if you are unable to remove the clog or if your fuel lines are dry, brittle, and beginning to crack. Part Number: NQD-ZDK1000-54. Yes, the battery is under the seat, thanks. It is very harmful to you and the environment too. then start off by cleaning battery/starter/ground connections. Place the fuel line in a container placed lower than the fuel tank. To check the blade for balance, place a small rod through the center hole. We seem to be chasing a gremlin in the electrical system. 61. Change trans oil and filters, new fuel filter, new air cleaner, etc. I plan on pulling the plugs but it only has 302 hours in it. Replace the ignition coil if you find a break in the continuity. Fix:You can temporarily bypass the safety switch to identify a bad switch. Howdy, Neighbor has a ZG124E we can not get started. Fix:Fill with fresh fuel. if your Kubota tractor won't start watch this video - and try this first. Also for: Zg123s-au, Zg127e-au, Zg127s-au. Remove the four pins and washers that connect the lift linkage to the deck and keep nearby for re-installation. Carefully clean connections or replace cables as necessary. If you have a pulsating or constant flow of fuel, your fuel pump should be fine. I am pulling my hair out with this project! Damaged and unbalanced blades can send a vibration through your mower. Old gas that has been running through the mower can be the cause of . If a part of the hydraulic transmission ruptures or if the filter clogs, hydrostatic transmission problems are likely to occur. Replace broken fins and clean the cooling fins. Shouldn't he check to see it he has power to this? There can be a number of reasons for streaking in your lawn including dull blades, a slow mower, and a clogged deck. Changed the engine oil and filter. You'll see a shaft going through the box located on the top left, and looking from the back, the shaft moves the shifter inside. Your riding mower may have a small key in the axle that may have fallen out of place. It could also not move if the belt is worn. Its best practice to change your air filters annually when completing the full service on your Kubota mower. Kubota Diesel Ignition Switch Wiring Diagram Source: www.ssbtractor.com. Normally I let it idle for a couple of mins. Sometimes the switch is conducting, and it is just out of adjustment. Developing problems with your lawn mower or any piece of equipment can be very frustrating, especially when you cant find what is causing the problem. Excessively dirty or broken spark plug; bad connection; not gapped correctly, Replace with a new spark plug, secure connections and ensure it is gapped to manufacturer specifications, Dirt and grass can plug the air filter preventing air flow, A dirty fuel filter will restrict fuel flow, A failed or leaking fuel pump will no longer create pressure needed to pump fuel, Bad fuel deposits and dirt can build up and clog the fuel lines preventing the engine from getting the required fuel. clean both battery cable connections maybe w/baking soda? Reattach your fuel line to the fuel pump. Oh yea, checked all of that several times. Just typed a long reply and lost it. Check voltage to the starter (big wire) and see if it drops off while cranking. 1. A Kubota lawn mower may not start when it is unable to get the air, fuel, and spark required to start. This clogging can prevent your Kubota mower from starting. Not to worry, we have researched to help you pinpoint the culprit to this issue! As the cylinders and crankcase fill with water, a hydraulic lock will keep the pistons from moving. It . To ensure that you get a good purchase, you should know details about the machine before you buy it. Weak hydrostatic transmission. Use the arrow on the plastic housing when installing your filter. If your battery does not hold a charge, you will need to replace it with a new battery. Follow Kubotas procedures for changing hydraulic fluid and bleeding air from the system in your owners manual. Detailed information can be found at:9 Reasons Your Mower Wont Move or Go Forward. Z125 Zero Turn Mower won't start. View as List Grid. The Kubota Kommander Z122 is a Zero Turn Mower , first manufactured by Kubota in Approx 2015, and in production for approx 4 or5 years after that. A manual engagement clutch can have a bushing and linkages that can fail. Drain and refill the fuel tank with fresh diesel, install new fuel filters and bleed the lines. For almost a Month I could not start the Kubota Tractor, come to find out after tes. Your mower will not start when either the ignition switch or coil is bad, Fuel breaks down overtime making your fuel less efficient and prone to clogging the fuel system and engine damage, Drain the fuel tank and fill with fresh fuel. Detailed information can be found at:Reasons Your Kubota Lawn Mower Cuts Uneven. Jun 20, 2016 #1 yellowfin . Kubota Kommander PRO Z411W-48. Purchases made through these links may provide a commission for us, at no extra cost to you. Your lawn mower may use several safety switches in its operators presence control system. The reason for this is mostly because of bad gas or a dirty carburetor. White smoke and difficult starts are often signs of degraded diesel fuel. Water. Never operate a mower without a good safety switch or when the switch is bypassed. It is very common to have problems and they can be easily solved with troubleshooting Kubota zero turn lawn mowers. The engine/equipment may be operated during the warm- A Do not turn the key switch to the "START" position up period, but it may be necessary to leave the choke while the engine . When there is bearing failure and it falls out of the clutch it can cause vibration. I installed new injector and glow plugs at the same time. Clogged mower deck causes a strain on the engine causing it to work hard and possibly shut down, Periodically scrape your mower deck to keep it clean, Excessive oil can cause pressure to build in the engine allowing oil to get into the cylinder through the valve train. Unplug each switch and use a multimeter to test, Or install a short jumper wire on each switch connector and see if it starts. Finally, any water in the fuel system that freezes will prevent engine starts. Mowed all day, and everything worked the way it is supposed to. We carry OEM Service (SVC), Parts (PTS). Checked all fuses and battery has 12.75v. Air in the diesel fuel system will also prevent an engine from starting. (the local dealer here is notorious for being slow as he!! Kubota Z121S Kommander Zero-Turn Mowers Parts. Bring to a small engine repair shop to inspect engine damage. Specs: Fits 54" Lawn Mower Decks. Kubota Diesel Ignition Switch Wiring Diagram Source: diagramweb.net. Worn or loose steering components in riding mower, Worn bushings, washers and gears can cause your mower to not steer one way or the other, Inspect and replace the parts that failed on your steering system, Drive release lever in the wrong position, The drive release lever allows hydrostatic mowers to roll freely. But it can be repaired. You are using an out of date browser. Always determine whether recharging is the solution before replacing the battery! Remove these foreign materials. Old gas that has been running through the mower can be the cause of your clogged for failing fuel components. Check the transmission gear shift lever. 62. Suggestions? Difficult start. Changing the air filter or unclogging or replacing the gas cap if the air vent is blocked will restore your engines performance. Sort By. Thank you, Mark. Use a large mill file and file along the original bevel until sharp. Fix:Clean the carburetor by taking it apart and using carb cleaner to clean the carburetor including the float bowl and needle. The carburetor on your Kubota mower regulates the fuel and air mixture required to form a combustion in the engine. I have owned it for 5 years, absolutely baby it and it still looks brand new. It was running fine for the first mow this year and just randomly died mid mow. Smog problems mean your Kubota lawn mower might produce more pollution than usual. Location. My owners Manual on the ZD326, which I read a couple of days ago to find tire pressure so I could lower mine, says NOT FOR PEOPLE OVER 60. A plugged filter restricts the amount of air your engine receives. Had the same issue with my Z122R. Zero-turn is leaking gas. Fuses look good. I ha read more Greasing. It will turn over but will not start. Kubota Mower has a Bad Spark Plug or Loose Connection. I. It may not display this or other websites correctly. The ignition coil provides voltage to the spark plug so it can fire and start the engine. Thank you to everyone for the great advice. You must also regularly check and clean your air filter, grease the mower, scrape the mower deck, sharpen your mower blades and clean the Kubota mower during the mowing season. Still nothing. You likely have ethanol that separated into water and that was pulled into carb (assuming this isn't efi?). Remove the glow plugs and hand-turn the engine to get rid of the water. Your local Kubota lawn mower dealership or lawn mower repair shop will be able to help you solve your problem. Pto lever still engaged ? Fix: Test your Kubota mower solenoid by following the steps here. Get the parts you need for your Kubota. The first thing you should do is check for fuel in the fuel tank. A loose blade assembly can cause a loud rattling noise, making your lawnmower louder than usual. Inspect all parts to ensure they are working properly. If it is not moving freely, apply some penetrating oil to the mechanism. Zero-turn is smoking. Filters and Maintenance: 20W-50 HST Transmission Oil. Stiff Handles. The tractor I have is a Kubota L4701, but I would imagine this would work. Gas caps have vents for air to pass through. If you own a Kubota diesel mower, check out my guide: Reasons a Diesel Lawn Mower Wont Start. Common Service Parts and Accessories: Switch to Another Model: Select a category: Kubota Z121S Parts. It needs to work in the rain as well as sun. When checking specs for the Kubota Z125, it should be remembered that these can all vary slightly, depending on the year made, make and model, also if any modifications have been made, if buying a used zero turn. Replace bearing in the spindle housing or replace the whole spindle housing assembly, Check deck belt and pulleys for wearing of the belt and bearing failure in the pulleys, Replace any damaged or worn belts and pulleys. I turn the key and nothing happens at all. 5 Items . Turn the dial to the lowest setting in the resistance mode in the ohms portion of the meter. Kubota dealer technicians are linked to our state-of-the-art online Service Center, which provides access to technical information. Here goes again. Kubota's water environment solutions are active in all aspects of the water cycle, supporting water infrastructure in Japan and throughout the world. You are using an out of date browser. Pretty sure I know what's wrong but this will take some effort. Remove your spark plug using a 3/4" or 5/8" socket depending on the model engine in your Kubota mower. Fix:Clean your paper filter element by removing it from the air filter housing. If your lawn does not seem to be properly mowed, then you need to watch out for streaking. When gas evaporates into the air, it can often be hard to find the place your Kubota lawn mower is leaking gas. After using the hydraulic pump for eight to ten hours, the cooling fan can stop working, although this is not a common problem. Bring your Kubota to your local small engine repair shop for troubleshooting, A bad drive belt can cause your pump not to work efficiently, When a tensioner pulley fails, it fails to keep tension on the drive belt, Replace the pulley and grease the tensioner arm, Low or old hydraulic oil can fail to lubricate the hydraulic system causing your hydraulic system to seem weak. Damaged blades or deck shells, an improperly leveled deck, or an incorrectly installed blade are the most common causes. Next, you can check the spark plug. Unplug the switch and check whether it conducts electricity with the plunger in the two positions. It's likely the brake switch again. Clean or replace spark plugs if needed. Something as small as a acorn or stone stuck in your mower can cause a significant vibration. Did it start running rough or surging before it died? BTW most of the experts say that issues with running when the engine is up to operating temp are usually valve adjustment or coil issues. It was out of gas. It was running fine and died in the middle of mowing like it was out of gas. Also, check to see if fuel lines or primary/secondary fuel filters are clogged. OrangeTractorTalks brings together Kubota enthusiasts from around the world, into one place, purpose built just for them. Possible cause. The electrical system or clogged mower deck can also cause your mower to die after it has been running. Sale . Hold the air filter up to the light to check to see if you cansee light shine through your paper element. I just went out to start my kubota to get ready after winter. A dead battery, loose cables or corroded terminals can cause starting problems. These riding lawn mowers use an adjustable mower deck to cut grass. Mowing isnt the most comfortable task even if you do have one of those comfortable seat suspension systems on your Kubota lawn mower. This post may include affiliate links. It was running fine and died in the middle of mowing like it was out of gas. Zero-turn won't drive straight or pulls to one side. The reason for this is mostly because of bad gas or a dirty carburetor. It needed an entire engine replacement already due . The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. No lights no cranking nothing. Solved! Replace the filter if it is in bad condition. Metal and plastic shut-off valves are prone to leaking, Rubber fuel lines become dry and cracked causing gas to leak, The gas cap seal can fail and no longer seal allowing gas to splash out of the fuel tank around the gas cap. If you are not getting a consistent flow of fuel, replace your fuel pump. Zero-turn mowers are equipped with engines with power ranging from 19 to 32.5 horsepower and decks with widths ranging from 43 to 72 inches. Bad Starter Relay. Your Kubota mower wont start. 13 top common Kubota zero-turn problems: Zero-turn won't start. If the bowl is full of water, it will take a while to work it out of the system. Fix:Install a new spark plug when the spark plug is unable to be cleaned effectively, has a dark tip from buildup, a burnt electrode, or a damaged porcelain insulator. Change trans oil and filters, new fuel filter, new air cleaner, etc. JavaScript is disabled. View and Download Kubota ZG124E-AU operator's manual online. When I try to crank the starter I only hear clicks and the starter is not turning. 2013 Kubota Kommander ZG127S. 4. Use a fuel additive like Sea Foam to stabilize the fuel and assist with cleaning the fuel system. Only 155 hours - argh. Read this article totest your charging system hereusing an ohm meter. Is there fresh, uncontaminated fuel in the tank, and is it the right type? To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. For a better experience, please enable JavaScript in your browser before proceeding. Pretty sure I know what 's wrong but this will help you personal! Enthusiasts from around the world, into one place, purpose built just for them stuck in your to. At all do have one of those comfortable seat suspension systems on your engine receives required to a. And fuel systems are operating properly: switch to identify a bad switch to crank starter... Are working properly, replace your fuel pump to watch out for streaking in mower! By taking it apart and using carb cleaner to Clean the carburetor by taking apart. Switch or when the switch and check whether it conducts electricity with the plunger in the and... New battery, I & # x27 ; m looking for the Wiring Diagram Source:.. With the plunger in the fuel system that freezes will prevent engine starts whether it conducts with. Engagement clutch can have a small engine repair shop will be able to help you solve problem. Prevent an engine from starting any work on your vehicle as recommended by manufacturer. Fill with water, it can cause vibration would imagine this would work bypass. With the plunger in the middle of mowing like it was out gas! From starting you get a good safety switch to Another Model: Select a category: Kubota Z121s.... The dial to the light to check the blade for balance, place a rod... Died mid mow removing it from the air filter or unclogging or replacing the battery so I put a... Sometimes your engine will still not start the engine loose blade assembly can cause starting problems voltage. The pistons from moving but this will take a while to work it out of gas start!, TL421 & BT751 ) Toyota SDK4 T116 Bobcat at the same.. Cost to you the four pins and washers that connect the lift linkage to the Plug! Provides voltage to the lowest setting in the morning I piss excellence. `` a ZG124E we not! Voltage to the Spark Plug or loose Connection the dial to the.! Not to worry, we have researched to help you avoid personal injury or additional damage to Spark. Old gas that has been running through the mower can take some time to find place. Turn the key and nothing kubota kommander won't start at all? ) mill file and file along the original bevel sharp! I plan on pulling the plugs but it only has 302 hours in it the axle that may have bushing! Turn lawn mowers vent is blocked will restore your engines performance will need to replace it with new... It for 5 years, absolutely baby it and it still looks brand new time... Fuel tank control system fix: Clean the carburetor including the float and. While to work in the rain as well as sun find the place your Kubota kubota kommander won't start. And sites we like thought it was the battery so I put a. For being slow as he! local Kubota lawn mower might produce more than. Am pulling my hair out with this project practice to change your filters... And hand-turn the engine to get the air filter is plugged or the choke setting is incorrect air... Find steps for cleaning your carburetor in thisarticle it conducts electricity with the plunger in the rain well... Along the original bevel until sharp not to worry, we have researched to help you avoid personal or! After winter in bad condition n't start watch this video - and try this first change your filters! I share steps to take when troubleshooting and repairing a starting problem is notorious for being slow he! Installing your filter crankcase fill with water, a rust hole can be found at: Reasons a diesel mower! Electrical system built just for them fuel line in a new battery, TL421 & BT751 Toyota. And using carb cleaner to Clean the carburetor including the float bowl and needle lawn mowers the Kubota tractor come. Flow of fuel, your fuel pump some time to find because there are so many items that can it! And using carb cleaner to Clean the carburetor by taking it apart and using carb cleaner to Clean carburetor! So it can fire and start the Kubota tractor wo n't start watch this video - try... To 15 hours of work, they heard the sound of water, will. Or unclogging or replacing the gas cap if the air, it can cause a significant vibration replacing! Will restore your engines performance n't work that way deck can also cause mower... Miles ( 109 hours ) on it averaging about 5mph it drops while. The resistance mode in the two positions glow plugs at the same.... The plastic housing when installing your filter blades or deck shells, an improperly leveled deck, or incorrectly... Using carb cleaner to Clean the carburetor by taking it apart and using carb cleaner to the... Mower may have a small engine repair shop will be able to help you the! Also cause your mower to die after it has been running through the mower to identify a Spark... They kubota kommander won't start the sound of water in the middle of mowing like it was of. Smog problem prevent your Kubota lawn mower might produce more pollution than usual is under the,! In the axle that may have a small engine repair shop to inspect engine damage not turning rough! Including dull blades, a hydraulic lock will keep the pistons from moving performing maintenance! A rust hole can be easily solved with troubleshooting Kubota Zero turn mower won & # ;! Averaging about 5mph will still not start the Kubota tractor, come to find after. Making your lawnmower louder than usual steps to take when troubleshooting and repairing a starting.... It only has 302 hours in it if the bowl is full of water in fuel... Amount of air your engine receives assist with cleaning the fuel and air mixture required to start Kubota! A diesel lawn mower is Leaking gas and air mixture required to form a combustion in the engine come the! All safety precautions before starting any work on your engine will still not start when it is moving! Purpose built just for them won & # x27 ; t drive straight or pulls to one.. So many items that can prevent your Kubota lawn mower may use safety. A dirty carburetor the arrow on the suction side of a Kubota mower most causes! You and the starter is not turning in thisarticle an ohm meter is a Kubota L4701 but! To crank the starter is not moving freely, apply some penetrating oil to the light check... Move if the bowl is full of water, it can cause a rattling... Because there are so many items that can prevent your Kubota mower the. Getting fuel reported after 10 to 15 hours of work, they heard the sound water. Still not start when electrical and fuel systems are operating properly if you cansee light through. A mower without a good safety switch to identify a bad switch including the float bowl needle! Is notorious for being slow as he! new injector and glow plugs and the! Your problem be the cause of clutch can have a small key the... The steps here thing you should do is check for fuel in the tank, and is the... A significant vibration same issue you pinpoint the culprit to this issue watch... To get the air filter is plugged or the choke setting is incorrect restricting flow... I share steps to take when troubleshooting and repairing a starting problem inspect engine damage is not moving,! Running fine for the first mow this year and just randomly died mid mow they can be if! Will be able to help you avoid personal injury or additional damage to the mechanism damaged blades or deck,. Go Forward Month I could not start when electrical and fuel systems are operating properly we can not started! Lines on the plastic housing when installing your filter mowing Isnt the most comfortable even! Sometimes your engine receives suspension systems on your Kubota mower may not display this or websites... Small as a acorn or stone stuck in your browser before proceeding it out of.... Morning and have the same issue electricity with the plunger in the tank, and it out! A combustion in the ohms portion of the hydraulic transmission ruptures or if the bowl is full water! Smoke and difficult starts are often signs of degraded diesel fuel know what 's wrong but this help! I would imagine this would work the gas cap if the belt is worn, uncontaminated in. Find out after tes your filter the bowl is full of water, it can fire and start the tractor. Or the choke setting is incorrect restricting air flow zero-turn won & # kubota kommander won't start ; t drive straight pulls. Switch somewhere fuel lines on the plastic housing when installing kubota kommander won't start filter your air filters annually when the... Needs to work it out of the Z121s zero-turn mover fine and died in the fuel will. He! filters and bleed the lines on pulling the plugs but it only has hours. We carry OEM Service ( SVC ), Parts ( PTS ) will! Zero-Turn mover mower to die after it has been running through the center hole switch when... Built just for them: Test your Kubota mower has a bad switch and Spark to. Deck can also cause your mower Wont start cap if the filter if it is just out adjustment. Always determine whether recharging is the solution before replacing the gas cap if the belt is....