Husqvarna mower starter problems. Here’s What To Do If Your Lawn Mower Won’t Start

Husqvarna z242f Problems: Troubleshooting Tips Solutions

The Husqvarna z242f lawn mower is known for its numerous advantages, but many of its users have reported issues with the machine.

Husqvarna z242f problems include engine issues, driving issues, and electrical problems, along with many others.

The engine is one of the most commonly reported problems. If you think that the engine is behaving abnormally, here are two fixes you should try:

  • Check and change the spark plug, fuel filter, and air horn, and confirm that the battery is in good working order.
  • Check the engine oil level and cooling system, replace any damaged components, and avoid high stress on the engine.

If this doesn’t fix your engine or if you have any other problem with the lawnmower, then be sure to stick with me till the end.

I will guide you through all the reasons that may have caused this problem in the first place as well as what you can do to fix it.

Top 3 Husqvarna z242f Problems: Troubleshooting Tips and Solutions

Cutting Deck Problems in Husqvarna z242f Zero-Turn Mower

The Husqvarna z242f mower’s cutting deck is an important component that guarantees accurate and fast grass cutting.

Unfortunately, some users have reported problems with this part. Here are some of them, along with their fixes:

Uneven Cut Problem with the Husqvarna z242f

One of the problems is an uneven cut. Some users have complained of patches of uncut grass even after several passes over the area.

This issue could arise from a dull or damaged blade, a misaligned cutting deck, or uneven tire pressure.

Solution: To solve this, replace or sharpen the blade, check and adjust the deck alignment, and confirm that the tire pressure aligns with the manufacturer’s recommended settings.

Increased Vibration issues in Deck

Another problem is increased vibration, which causes discomfort and affects cutting quality.

This issue could occur due to a bent or loose blade or a worn-out tire axle.

Solution: To fix this, replace the bent blade, tighten the loose blade, and if the problem still remains, examine the tire’s axle and replace it if necessary.

Deck Clogging:

Another problem is that the cutting deck may become clogged with grass clippings, mainly when cutting wet or tall grass.

This issue affects cutting quality and also increases the risk of fire.

Solution: To address this, clean the deck after every use, especially after mowing wet or tall grass, and use a brush to clear grass clippings from under the deck.

Also Read: 7 Most Common Husqvarna MZ54 Problems (Fixed)

The mower’s battery provides power to the starter motor and other electrical components.

A weak battery can cause the mower trouble starting or running.

Solution: Inspect the battery connections to ensure they are clean and functional. It is advisable to replace the battery if it’s old or damaged.

Starter Motor issues

The starter motor turns the engine over when the ignition key is turned. If it’s faulty, the engine may not start at all.

Solution: Inspect the starter motor connections to ensure they are clean and secure.

If the connections are fine, the starter motor may require replacement.

Electrical Wiring is Faulty

Faulty electrical wiring can also cause the mower to not start or shut off unexpectedly.

Solution: Inspect the wiring and electrical connections for signs of wear or damage. Replace any worn or damaged components.

Regular maintenance and inspections can help prevent electrical problems with the Husqvarna z242f mower.

By fixing these common issues, you can ensure that the mower runs smoothly and reliably without any electrical issues.

Frequently Asked Questions (FAQs)

Why Won’t My Z242F Start?

If your Z242F won’t start, the first thing you should do is check the fuel tank.

Ensure there’s fuel in it and it isn’t contaminated or stale. If the fuel looks clean and fresh, then check the spark plug for any signs of damage or debris buildup.

Replace the spark plug with a new one before starting the mower again.

Why Is My Z242F Poor Cutting or Uneven Mowing?

If you’re having difficulty getting a clean cut with your Z242F, several potential causes exist.

First, make sure that you are using sharp blades; dull blades will not be able to cut through grass and weeds efficiently.

Also, ensure that you have correctly set up your cutting height by adjusting both sides of the deck evenly; if not set up correctly, cutting height will cause unevenness.

Inspect your tires for proper inflation; low tire pressure can lead to poor cutting performance and increased vibration and noise levels from the mower.

How Can I Reduce Vibration or Excessive Noise in Husqvarna Z242F?

Vibration and excessive noise are common issues with zero-turn mowers such as the Z242F; however, there are ways to reduce them.

First, check all connections between components, such as cables and hoses.

Inspect all bolts on each mower component; if they are loose, they may need tightening up with an appropriately sized wrench or socket driver, depending on the bolt size.

husqvarna, mower, starter, problems, here

Ensure that all rubber components, such as bushings or dampers, are properly lubricated; this will help reduce friction between parts, reducing vibration and noise levels from your mower when running.


Taking care of your Husqvarna z242f is essential for keeping it running smoothly and efficiently for many years.

Suppose you experience the problem in Husqvarna z242f for the first time, don’t get panic.

Check the basic types of equipment of the mower and then take further action.

Please ensure that you take monthly inspections regularly so that you avoid any major problems.

At the same time, follow the manufacturer’s guides for using the mower. It will ultimately help you in safe usage.

In a nutshell, fixing Usqvarna z242f problems is easy. Just follow the guide, understand the problem, and you can fix it instantly.

Hey, It’s Noah Smith, writer and founder of this blog and horticulturist by profession. I’m here to make your lawn, garden, and backyard perfectly green and full of beauty.

Learn the reasons why a lawn mower won’t start after winter or during peak season, and how to fix those problems.

Family Handyman


Most of the time when a lawn mower won’t start the cause is a problem with the gas or the lawn mower carburetor.

What to Do if Your Lawn Mower Won’t Start

Whatever kind of lawn mower you’ve got, the last thing you want once winter finally lifts and spring has sprung is a lawn mower that won’t start.

If you’ve taken the proper steps to winterize your lawn mower, you’re far less likely to be dealing with such issues. It’s also why you should tune up your lawn mower at the start of every season. However, it’s not out of the ordinary to find your gas-powered lawn mower not starting from time to time, so it’s important to know why your lawn mower isn’t starting and how to fix it.

Project step-by-step (6)

Check the Gas Tank

Let’s start with the obvious. Before you have a heart attack pulling on the rip cord, you’ll want to check the fuel. Like any gasoline-powered engine, lawn mowers run out from time to time. Maybe you forgot it was running on fumes when you finished mowing last time. It sounds simple, but we’ve all overlooked the gas tank from time to time.

Even if there is gas in the mower, if the fuel’s been in there more than a month, that could be the problem. Gas sitting around too long in the tank can get contaminated with dirt and extra moisture.

So if your gasoline has been in the mower for more than month, drain the gas properly, dispose of it correctly, and fill up the mower with new gas. It may take quite a few pulls to suck the new gas into the lawn mower carburetor, so be prepared to clean and dry the plug a few more times.

Add fuel stabilizer when you fill up the tank to help protect the gasoline in there from dirt and moisture.

Family Handyman

Check the Spark Plug

Start by making sure the lawn mower spark plug cable is connected to the plug itself. It’s quite possible that it got pulled off there over the winter while the mower was being stored in the garage.

If that’s not the issue, the next step is to remove the spark plug to see if it’s wet. There’s no way the engine will start if it is. So clean the plug with carburetor cleaner and let it dry. Cleaning it with compressed air isn’t enough; you need a solvent to remove oil residue. If it’s really grimy and dirty, it might be best to change the spark plug.

Fertnig/Getty Images

Check for Debris in the Mower Deck

Grass clippings can get clogged in the mower deck, which can prevent the blade from turning. This is a common problem if you’ve cut wet grass or let the lawn get especially long and bushy between cuttings. If the cord is hard to pull, that’s a good sign that there’s debris clogging up your mower’s deck.

This is a pretty easy problem to solve. With the mower off, flip it on its side or upside down and scrape out the gummed up grass clippings. Once that’s done, you can flip it back over and start it up again.

JJ Gouin/Getty Images

Check the Air Filter

The lawn mower’s carburetor regulates the mix of gasoline and air going into the engine where it’s burned to create power. Before air goes into the carburetor it passes through the air filter which prevents dirt and debris from getting into it.

If the air filer is clogged or dirty, it throws the ratio out of whack. Sometimes that results in your lawn mower smoking, and sometimes it prevents it from starting entirely. So take a look at the air filter to see if it’s dirty. If so, you can clean it or just change it outright.

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Check the Carburetor

Another common reason for a lawn mower that won’t start is a clogged or dirty carburetor. It can also cause your mower to run rough or spew black smoke when you’re trying to cut the grass. If that’s the case, you may need to clean the carburetor.

To get to the carburetor, you’ll have to remove the air filter. Once that’s out of the way, you can remove the carburetor in order to clean it.

Once it’s out, check for corrosion. If you see chalky/powdery white corrosion like this, it’s probably better just to replace it. To clean it, take it apart and spray carburetor cleaner on the parts and inside the housing. After that, put the carburetor back together and reinstall it in the mower.

Check the Fuel Filter

Like the air filter, the fuel filter prevents dirt and debris from getting into the combustion chamber of your lawn mower’s engine, taking that stuff out before the gas gets mixed with air in the carburetor. Problems with the fuel filter might also result in the engine sputtering or rough idling, even before it gets to the point of preventing the mower from starting.

To start, tap the side of the carburetor to help the flow of gas. If that doesn’t work, you might have a clogged filter.

Not all lawn mowers have a fuel filter, but for the ones that do, it’s usually located in the fuel line or the fuel tank. To find out where the fuel filter is at, check your lawn mower’s owners manual, which will also tell you what type of filter it is.

If the filter is in the fuel tank, you’ll need to drain the gas from the mower into a drain pan, assuming you can’t run the engine until it’s out of gas. If the filter is in the fuel line, clamp off the fuel line before removing the filter. Once you have the filter off, you can check to see if it’s dirty and clogged by holding it up the light. If it is, install a new one. Make sure it works with this lawn mower maintenance checklist.

How To Troubleshoot A Husqvarna Riding Mower When It Doesn’t Start

It is such a pain when you want to care for your lawn but your lawnmower won’t start. The reasons for this can vary from minor issues like little to no gas in the fuel tank or something as crucial as engine issues. To start a Husqvarna lawnmower, there are some checks you need to do. This article addresses these checks, the possible causes of your mower’s refusal to start, and the corresponding fixes.

When your Husqvarna mower refuses to start, you need to diagnose the problem first. Check the gas and oil level, the position of the choke, gear, and so on. If it doesn’t start, components like the battery, spark plug, and engine could be affected. Depending on the problem, fixing the lawnmower might call for replacements, such as a damaged battery, a clogged paper filter, and bad spark plugs. Not all of these diagnoses call for a replacement; some require DIY fixes that get done in no time.

A Husqvarna lawn mower is a brand that has grown into a household name, being one of the most reliable brands in the market. They specialize in garden tools generally, including brush cutters, cultivators, and the like. They are rated one of the most reliable brands out there.

Why Your Husqvarna Riding Mower Won’t Start

There are many reasons for this, which will be outlined in this article, along with how to fix them. It is important to note that before troubleshooting, the lawnmower engine must be off and allowed to cool a bit. Also, you should use safety gear such as gloves, goggles, and suitable clothing. It is best to carry out these checks in a well-ventilated or open area to avoid hazards.

Reasons Your Husqvarna Riding Mower May Not Start;

  • Empty Fuel tank
  • Bad fuel
  • A bad spark plug
  • Clogged filters (air and fuel)
  • Dirty carburetor
  • Bad or corroded battery

Empty Fuel Tank

It could have just been that the mower refused to respond because there was no fuel to run on. It is easy to forget simple things like this when looking for a problem. First, check the fuel tank to see if it is empty, and fill it with good fuel.

Bad Fuel

The previous point talks about an empty gas tank, but your gas tank may be full- but with bad fuel this time. To identify bad fuel, let us first note what good fuel is. Good fuel has these characteristics- unleaded, an octane rating higher than or equal to 87, and a low ethanol level (maximum level of 10%). Fuel can also turn bad as a result of time. When kept in the tank for more than 30 days, it begins to break down and could harm your engine.

Effects Of Bad Fuel

Octane rating is a measurement of how stable your fuel is. Low octane rating fuel can cause your engine to knock, and the fuel may also burn prematurely. The premature ignition is a sure recipe for engine damage.

High levels of ethanol make fuel deteriorate significantly quicker. Ethanol absorbs moisture, causing it to settle at the bottom of the fuel. The moisture evaporates into a sticky residue that clogs the fuel system.

How to fix: Drain the old fuel from the fuel tank and replace it with fresh fuel plus a fuel additive. Fuel additives help improve your fuel quality and clean the fuel system. They prevent corrosion and increase the octane rating of your fuel.

Damaged Spark Plugs

Spark plugs supply the spark for the air-fuel mixture by discharging a large amount of current between the electrodes separated by a gap. This spark is what causes the explosive force with which the engine starts.

Carbon residue around the tip of the plug or oil getting into it can affect the engine’s function. Also, when the plug is not well gapped or is loosely connected, it can be a reason the lawnmower doesn’t start.

How to fix: Check the spark plug for build-up or cracks on the insulator. If it is bad, replace it with a new one, ensuring it is well gapped.

Clogged Filters

The air and fuel filters are small but critical components that ensure a smooth combustion process. The air filter prevents dirt from entering the engine via the carburetor, while the fuel filter removes debris from the fuel before it enters the combustion chamber.

Clogging in either or both filters can cause your riding mower not to respond when ignited. Other problems that clogged filters could cause include overheating, sputtering, and stalling.

How to fix a clogged air filter

Not all air filter types can be fixed; the paper type needs an outright replacement if clogged. However, if your air filter is the foam type, it can be washed and reused up to 4 times.

To clean the foam filter, use detergent or mild dish soap to wash and then let it dry for a couple of hours. After drying, rub a coat of oil on it and put it back in place. The oil helps to trap the dirt onto the foam.

How to fix a clogged fuel filter

Like the air filter, fuel filters also come in different types like nylon, paper, and metal. Nylon and paper filters should be discarded and replaced with new ones.

To clean the metal filter, use a good cleaning spray, preferably carburetor cleaning spray, and let dry.

How often should you change the filters?

Routine checks on different lawnmower parts, including the filters, are essential. This will help you detect any arising problems before it escalates. Changing your air and fuel filters every 300 to 500 hours is advised. It is best to use foam air filters and metal fuel filters to save cost. They both can be reused up to 5 times till a new one is needed.

Dirty Carburetor

The carburetor serves as a regulator for the air-fuel mixture before entering the engine cylinder for combustion. Residue from the combustion and old fuel can cause the carburetor to clog over time. Inspect your carburetor for clogging or damage; this could be why your lawnmower won’t start.

How to fix: Take the carburetor apart from the system and use a carburetor cleaner spray or WD40 to clean out the ports and the bowl. If there is any residue from rusting, use sandpaper or a metal brush to scrub it off. Allow the carburetor to dry before reinstalling.

Bad Or Corroded Battery

A lawnmower cannot function without a good battery; therefore, checking the battery for faults is necessary. Inspect the battery for corroded terminals, swelling, cracks on the battery case, loose connections, or any unusual change.

Corroded terminals: Using a DIY paste of baking soda and water, clean the terminals with a metal brush and wipe them off.

Swelling: Swelling is a sign that the battery is bad and would need to be replaced

Loose connections: check the cables and connections if they are correctly done and tight. If this is not the case, undo the connection and tighten it again.

Testing for charge: it is also possible that your battery needs to be charged. Using a multimeter, you can test the battery to see if it needs some charging. Set the multimeter to 12V, and connect the probes to the corresponding terminals. If the reading is below 12.7 volts, the battery needs to be charged. If your battery does not hold a charge, you need to get a new one.

How To Start A Husqvarna Riding Mower

Starting your Husqvarna riding mower is simple, but you need to know the proper steps and components to set up before turning the key. These procedures are listed in order below:

  • Check oil and gas level
  • Turn on the gas
  • Get seated
  • Put the foot brake on
  • Set the gear shift to N
  • Turn the blade off
  • Put on the choke

Check oil and gas level / Turn on the gas: Check if there is enough oil and fuel to run the mower. Turn on the gas tap to let gas flow to the carburetor.

Get seated: Get into the lawnmower seat and position yourself upright. Avoid leaning on the sides, particularly while the engine is running. This would put pressure on the engine and could damage it.

Put the foot brake on: To start the motor, press the brake pedal down with your foot. The parking brake in “on” will also help start the mower.

Set the gear shift to N: For the mower to start, you need to put the gear in neutral. This applies to both manual and automatic riding mowers.

Turn off the blade: The blade on/off button should be put off. Some Husqvarna riding mowers come with a level to control the blade- this should be put off also.

Put on the choke: To kick off a cold engine, set the choke to “full” and then set it to “fast” when the engine warms up a bit.

You can now turn the key to start your mower with these settings. Provided nothing is wrong, it should start almost immediately.

Final Thoughts

Husqvarna lawn mowers are very reliable and efficient. Having difficulty starting the mower indicates one or more problems mentioned in this article- however, they can be fixed. These processes can be carried out on your own, as long as you observe safety precautions. However, if the mower still won’t budge, it is time to involve an expert to diagnose and fix the problem.

Our East Coast editor Frank focuses on lawn cutting and maintenance. His experience with lawn mower repair and lawn maintenance is second to none.

He is a lawn mower and fertilizer expert with over 30 years of experience in the industry. He has been providing advice to homeowners and businesses on lawn care since 1990 with his lawn maintenance business based in the small town of Waterbury, Connecticut.

Husqvarna Lawn Mower Won’t Start

Read this article until the end to learn about the fixes some other Husqvarna lawn mower owners with similar issues have used to get their mowers working again.

But before we get into that…

  • Some of the reasons a Husqvarna lawn mower won’t start include:
  • Husqvarna Lawn Mower Won’t Start: Causes and Solutions
  • 1. Husqvarna Zero-Turn Mower Broken Flywheel Key
  • 2. No Fuel in the Fuel Tank
  • 3. Old or Bad Gas
  • 4. Husqvarna Walk-Behind Mower Defective Spark Plug
  • 5. Clogged Air Filter
  • 6. Clogged Fuel Filter
  • 7. Husqvarna Riding Mower Won’t Start because of a Faulty Fuel Pump
  • 8. Loose Terminals or Bad Battery
  • 9. Clogged Fuel Line
  • 10. Clogged and Dirty Carburetor Causes Husqvarna Riding Mower Not to Start
  • 11. Defective Ignition Coil
  • 12. Husqvarna Zero-Turn Mower Faulty Safety Switch
  • 13. Bad Ignition Switch
  • 14. Low Oil Level
  • 15. Faulty Starter Solenoid
  • 16. Incorrect Operating Procedure
  • 17. Bad Charging System
  • 18. Faulty Start Switch
  • 19. Bad Recoil
  • 20. Broken Rewind Spring and Pulley
  • 21. Faulty Fuel Cap
  • 22. Broken or Stuck Recoil Starter Pulley
  • Troubleshooting Tips:
husqvarna, mower, starter, problems, here
  • Faulty Carburetor
  • Flat Battery
  • Bad Spark Plug
  • Troubleshooting Tips:
  • Troubleshooting Tips:
  • Troubleshooting Tips:
  • How Do You Clean a Carburetor on a Husqvarna Lawn Mower?
  • Husqvarna Riding Mower Clicks But Won’t Start
  • Troubleshooting Tips:
  • How Do I Know if My Husqvarna Starter is Bad?
  • Top Recommended Handy Tools for Troubleshooting Servicing Your Lawn Mower

Husqvarna Lawn Mower Won’t Start: Causes and Solutions

Husqvarna Zero-Turn Mower Broken Flywheel Key

The flywheel key is a small metal piece that keeps the flywheel and crankshaft aligned when you tighten the flywheel nut.

The mower’s engine may suddenly stop if the zero turn mower blade hits a hard object.

If this happens, it breaks to protect parts such as the crankshaft from getting damaged.

For instance, a broken flywheel key may prevent your Husqvarna zero-turn mower from starting. To check if the flywheel is broken, remove the flywheel and inspect the flywheel key.

Fix: Replace the broken flywheel key.

No Fuel in the Fuel Tank

Another main reason why your Husqvarna mower won’t start is if your tank is empty.

Empty fuel tanks can halt operations, cause below par performance and make rough sounds.

It is important to always check your fuel level regularly before you start the machine.

Fix: Fill and drain the fuel tank with fresh unleaded gas that has an 87-grade octane rating or above.

Avoid using gas that has more than ten percent ethanol content. It is also important to purchase high-quality fuel to ensure maximum performance.

Old or Bad Gas

Using a bad or old gas in your Husqvarna mower can prevent it from starting. Gas may begin to deteriorate or become ineffective after thirty days.

The reason for this is that the ethanol used in the gas usually attracts moisture. In this case, the moisture evaporates and leaves a sticky residue that can block the fuel system.

It is advisable to buy your gas from a fast-selling gas station. In addition, ensure that you make use of it within thirty days.

You can also add a fuel additive to stabilize the fuel if you can’t finish it within the specified time frame.

Fix: Use a fuel siphon pump to take out the old fuel from the tank. To clean or remove moisture from the fuel system, you need to add fresh gasoline and a fuel additive.

Husqvarna Walk-Behind Mower Defective Spark Plug

A defective spark plug may result in Husqvarna starting problems.

Unwanted carbon buildup and oil around the spark plug may develop starting issues. This problem is common with the Husqvarna 7021P gas mower.

Use a spark plug tester to check for defective spark plugs. If there is no spark, it means that the spark plug is faulty and it needs to be replaced.

Fix: Inspect the spark plug for signs of a broken porcelain insulator or carbon buildup.

You can also replace the defective spark plug. Use a feeler gauge to check if it is properly gapped.

Clogged Air Filter

For optimal performance, your mower engine requires proper airflow to operate.

Dirty air filters can deprive your engine of adequate air which may result in overheating and can also cause serious engine damage.

Fix: Use a mild soap and cloth to wipe off excess dirt and oil in the air filter. Ensure that you do not clog it with loose dirt.

Note: Do not use an air compressor to clean the air filter. It deteriorates the mower’s level of performance.

Clogged Fuel Filter

A fuel filter helps to prevent debris and dirt from entering the engine of your Husqvarna mower.

Clogged fuel filters can jeopardize the health of your Husqvarna mower engine.

The signs of a clogged fuel filter include smelly fumes, no engine power, and engine misfiring.

The engine of your Husqvarna mower may also stall when accelerating. It is best to replace the fuel filter if you notice all these signs.

Fix: Replace the defective fuel filter with a new one if you discover that there is a stoppage of fuel flow at the fuel filter.

Husqvarna Riding Mower Won’t Start because of a Faulty Fuel Pump

If your Husqvarna riding mower won’t start, it might be due to a faulty fuel pump and you need to check that out.

The Husqvarna fuel pump has three ports (the gas in port, gas out port, and pulse port) and two small check valves on the input and output ports.

Your fuel pump may malfunction over time. This problem can be related to bad or fuel gas.

Fix: Inspect the fuel pump for cracks. Use a fuel shut-off valve to control the fuel flow of your Husqvarna riding mower.

Inspect the fuel filter or line for restrictions. Once you notice that the pump is getting fuel, check to be sure that the fuel is pumped out properly.

Replace the fuel pump if the problem persists.

Loose Terminals or Bad Battery

A mower’s battery needs to be fully charged to enable the mowing machine to start with ease.

If the cables are loose, it can result in starting problems. This is common with Husqvarna MZ61 and Z254 riding lawn mowers.

Fix: You can use a multimeter to test the battery. It is recommended to get a reading of about 12.7 volts.

You may need to charge the battery if the level is lower than 12.7 volts.

Replace the battery with a new one if it does not hold a charge.

Clogged Fuel Line

Old fuel might block the machine’s fuel line. This will cause the engine to sputter and result in the mower not starting.

Other signs that may arise include smoke coming out from the machine or its engine switching off.

Fix: The first step to take is to inspect the fuel line to see if it is clogged.

Take off the fuel line, and use a spray carburetor cleaner to clean the choke plate so that it can move freely.

You can also remove the dirt and sticky residue with compressed air.

Regardless of this, it is best to replace the fuel line with a new one.

Clogged and Dirty Carburetor Causes Husqvarna Riding Mower Not to Start

A clogged or dirty carburetor is mostly caused by leaving the fuel in your mower for an extended time.

This issue is common with the Husqvarna Z254 riding lawn mower.

Over time, some ingredients in the fuel evaporate and leave behind the stickier and thicker substance.

This will clog up the carburetor which will fail to regulate the fuel that the engine receives, causing your engine not to start.

Fix: Clean the carburetor or replace it if it is in very bad condition.

If you know that you can’t handle this task, it is advisable to seek the help of a professional to assist you in fixing it.

Defective Ignition Coil

The ignition coil works as source for the spark plug to acquire voltage from the battery.

A defective ignition coil may prevent your Husqvarna mower from starting. This happens when an improper ground wire connection to battery voltage fails.

Fix: The first step to take is to verify if the spark plug is functioning properly. Use an ohmmeter to check its continuity.

Furthermore, change the defective ignition coil if there is a break in the continuity.

Husqvarna Zero-Turn Mower Faulty Safety Switch

Safety switches help to turn off the engine when the mower deck is engaged and when the rider gets off the seat.

In addition, the safety switch provides vital protection by stopping the rotary blades from turning.

When this switch fails, your Husqvarna riding zero turn mower may no longer start.

Fix: You should replace the bad switch with a new one.

Note: It is advisable not to operate your Husqvarna riding mower without installing the safety switch.

Bad Ignition Switch

A bad ignition switch may stop your Husqvarna mowing machine from starting.

It is important to get a multimeter to test it to confirm if it is not working properly.

Fix: The simple way to fix this is to replace the bad switch.

Low Oil Level

The engine may fail to start if the oil sump gets dry. Check under the Husqvarna engine and find the oil fill cap. Use a dipstick to know if it is empty or low.

Fix: Fill your engine with the recommended oil.

Faulty Starter Solenoid

The starter solenoid is similar to a one-time switch that turns on the engine’s starter motor.

A hum or click when turning the ignition key indicates that you should inspect your Husqvarna riding mower’s solenoid.

Another sign of a bad solenoid is if it becomes hot and starts to melt or smoke.

Fix: Replace the bad solenoid with a new one.

Incorrect Operating Procedure

Husqvarna mowers are equipped with safety features that prevent them from starting unless you adhere to the procedures starting them.

Fix: Check the mower’s manual to be sure that you are using the machine properly so that you don’t set off safety systems that can prevent your mower from starting.

Bad Charging System

A faulty charging system may cause mower starting problems.

This problem can be related to a bad alternator, stator, or issues with other electrical components of your Husqvarna lawn mower.

Fix: It is advisable to seek the help of an expert to help you to identify the faulty part of the charging system.

Faulty Start Switch

A faulty start switch may also cause your mowing machine not to start. This affects the performance and functionality of your Husqvarna mower.

To determine if it is faulty, you need to use a multimeter to test it for continuity.

Fix: Replace the bad start switch with a new one.

Bad Recoil

The recoil of some Husqvarna push mowers may fail to function because of a missing or loose spring, broken clips or a bad pulley.

This may prevent you from starting the machine with the pull of a string.

Fix: Replace the spring and restring the coil. If the problem persists, it is better to replace the entire recoil assembly.

Broken Rewind Spring and Pulley

The rewind spring is responsible for recoiling the starter rope toward the pulley when the rope is pulled and released.

If this component is broken, the engine of the Husqvarna mower may fail to start.

Fix: Replace the broken rewind spring with a new one.

Faulty Fuel Cap

A faulty fuel cap may cause your Husqvarna mowing machine not to start. This component comes with a vent.

When the vent gets clogged, a vacuum is created in the fuel tank and this prevents the machine from drawing gas out of it.

To verify this problem, you may need to remove the cap and start the mowing machine.

  • If it starts, try to re-install the fuel cap while the machine is still operating.
  • After that, wait for some time to check if it will sputter or die again.
  • If the Husqvarna machine dies or sputters, it means that the fuel cap is faulty.

Fix: Replace the faulty fuel cap.

Broken or Stuck Recoil Starter Pulley

This is also one of the reasons why your Husqvarna mower won’t start.

The Husqvarna recoil starter pulley helps in winding up the starter rope when it is not in operation. If it is broken, it won’t be able to function properly.

Fix: Replace the stuck or broken recoil starter pulley with a new one.

Husqvarna Lawn Mower Won’t Start When Hot

If your Husqvarna mower won’t start when hot, the problem may be a result of the following:

  • Engine overheating
  • Faulty spark plugs
  • Defective carburetor
  • Compression Problem

Troubleshooting Tips:

  • Allow the engine to cool down, and clean out the fins and the underside of the shroud.
  • Replace faulty spark plug and carburetor.
  • Contact a professional to help you troubleshoot the compression problem
husqvarna, mower, starter, problems, here

Husqvarna Mower Won’t Start After Winter

If your Husqvarna mower fails to start after winter, it may be as a result of the following reasons:

Faulty Carburetor

The old gas in your mower may clog the carburetor. It can also enter the float bowl, making the mower not start after winter.

Fix: Disassemble the carburetor and clean it with a carburetor cleaner.

You may also replace the entire carburetor if you are unable to clean it effectively.

Flat Battery

The battery of your Husqvarna mower is bound to be flat after sitting idle for a while.

This battery will lose power because it hasn’t been charged during the winter period.

Fix: Put the battery on charge and ensure that the terminals are clean.

You may need to replace it if the battery doesn’t hold a charge.

Bad Spark Plug

A bad spark plug is also one of the reasons why the mower won’t start after winter.

Ensure that you use a spark plug tester to check if it is faulty. If there is no spark, it means that the spark plug is faulty.

Fix: Replace the faulty spark plug with a new one.

Husqvarna Mower Won’t Start After Running Out Of Gas

If your Husqvarna mower won’t start after running out of gas, the most likely problem is a dirty carburetor.

Other causes may include faulty auto-choke, contaminated gas, and a defective carburetor.

Troubleshooting Tips:

  • Clean the carburetor or replace it if it is in very bad condition.
  • Check if the auto-choke is functioning properly. Ensure that you put it in the correct position.
  • Drain the old gas and add a fresh one.

Husqvarna Lawn Mower Won’t Start Without Starting Fluid

If your Husqvarna mower won’t start without using starting fluid, you could be dealing with a faulty spark plug, dirty carburetor, old fuel, or clogged air filter.

These are likely problems that may happen to your machine especially if your Husqvarna mower has been sitting dormant all winter long.

Troubleshooting Tips:

  • Clean the carburetor with a carburetor cleaner or replace it if it is in very bad condition.
  • Replace the faulty spark plug with a new one.
  • Use a fuel siphon pump to remove the old gas from the tank. You may need to add fresh gas and a fuel additive.
  • Clean the air filter with water and dish detergent to remove dirt or grease.

Husqvarna Lawn Tractor Won’t Start No Click

If your Husqvarna lawn tractor fails to click and start, the most likely causes are:

  • A flat or faulty battery
  • Sensor faults
  • Blown main fuse
  • Faulty Ignition switch.

Troubleshooting Tips:

  • Charge the battery if it is flat. You can also check for loose and corroded connections.
  • Use a voltmeter to check sensors for continuity, inspect the wiring to sensors for chafing and ensure that the connectors are secure and free from corrosion.
  • Replace blown fuse.
  • To fix a defective ignition switch, check ignition wiring for corrosion, damage, or loose wires. Ask an experienced person to sit on the machine and attempt a start while you wiggle the connectors and ignition cables.

How Do You Clean a Carburetor on a Husqvarna Lawn Mower?

Here are some steps for cleaning the carburetor of your Husqvarna lawn mower:

  • Check if the carburetor needs to be cleaned.
  • Remove the fuel tank and air filter to see the carburetor.
  • Unscrew and clean the carburetor jets with a compressed air gun or carb cleaner.
  • Reassemble the parts and start the engine by adding fresh fuel.

Husqvarna Riding Mower Clicks But Won’t Start

If your Husqvarna Z254 or any other Husqvarna riding mower clicks but won’t start, the problem may be from the starter solenoid.

The most likely causes of solenoid clicking include low voltage, corroded or loose cable connections between the battery to the solenoid, or loose connection between the solenoid and starter.

Furthermore, you can also check for a corroded connection between the battery ground circuit to the tractor frame.

Troubleshooting Tips:

  • Charge or replace the battery to fix the issue of low voltage.
  • Inspect connections, remove corrosions and re-establish good electrical contact to fix loose connections.
  • Check for the faulty solenoid and replace it with a new one.
  • Check for the defective starter or any other mechanical issues with the engine

How Do I Know If My Husqvarna Solenoid is Bad?

The solenoid of your Husqvarna riding mower may be bad if you notice a hum or click when you turn the ignition key. This causes your mowing machine not to start.

Another sign of a bad solenoid is when the wire gets hot and begins to melt or smoke.

To diagnose a bad solenoid, you need to follow these steps:

Use a voltmeter to ensure that the battery has at least 12.3 volts in it.

To do this, you need to set the parking brake, put the machine in neutral, and turn the key to the “on” position.

You can use a screwdriver to bypass the starter solenoid. You need to look for the cable from the battery and the cable to the starter.

This may result in a spark when your screwdriver makes contact with these cables.

There is an indication that the solenoid may be bad if the engine turns over when you have bypassed the solenoid.

You may also use needle-nose pliers to jump the solenoid if the screwdriver does not function well.

You need to take off the starter from the engine to test the solenoid with a battery charger.

Once you have done this, attach the negative clamp to the starter’s case and touch the positive clamp to the big post and exciter wire on the solenoid.

How Do I Know if My Husqvarna Starter is Bad?

A faulty starter may show signs of a clicking sound when you press the ignition button, a cranking sound without the engine turning over, or when the mowing machine fails to start.


If your Husqvarna mower isn’t starting, the first step to take is to figure out the causes.

In this article, we have shared some of the possible causes such as defective spark plug, bad fuel pump, clogged air filter, and a faulty fuel cap.

Follow the recommended fixes to get your Husqvarna mower working again. If your mower still refuses to start after implementing the tips here, it might be best to seek a technician’s help.

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Sam has over a decade experience in landscape and yard maintenance. He enjoys testing and reviewing different yard tools.