Spartan Mower Problems

If you ask me for one single brand that is relatively new in the market but well-known for manufacturing high-quality and reliable mowers, I suggest a Spartan mower. However, Spartan Mowers are also bound to encounter some issues in the future with their lifespan.

Even though spartan offer different models to meet your taste and need, users have frequently complained about some common problems related to the Spartan Mower control panel keypad, spindle, and Deck.

In this article, we will learn the causes of the most common Spartan Mower problems and what you can do to fix those at hand. Understanding the causes and probable solutions will keep you ahead of any issue you are likely to encounter while operating a Spartan mower.

9 “Major” Spartan Mower Problems (With Easy Fixes)

Spartan Mower Control Panel Problems / Spartan Mower Control Panel Not Working

Spartan Mower users have frequently complained about their mower control panel failing to start. Throughout my research, I found a loose connection, insufficient fuel, and a blown-out fuse to be the most common cause.

Other common issues related to switching between transport and mowing modes or speed settings can cause control panel issues in Spartan Mowers. Other than this, if there is any difficulty changing the Blade’s speed or turning on the light caused due to a faulty control panel.

Also, look out for switches that have been worn out or in need of replacement. Sometimes debris accumulates in the control panel or is short in the wiring harnesses system causing Control panel malfunction. If this is the cause, below is the proper guideline to fix the issue.


Firstly, don’t panic. If your Spartan Mower is not starting, inspect the Connection and the fuse. If both are tight and working correctly, check whether the lever is in the correct position.

The tension of the Spring on the lever may need some adjustment if you are experiencing difficulties changing the Blade or speed setting a Spartan Mower control module that needs some adjustment.

Adjust the control and knobs to their correct position. Lastly, if the Spartan Mower control panel lights are not working correctly, the wiring might be an issue. Never mind checking for any damage or signs of wear on the wiring. Repair or replace as required. 

Spartan Mower Keypad Problems \ Spartan Mower Keypad Not Working

If you have ever had a Spartan mower, you might be familiar with a few common issues with their keypads. If your Spartan Mower keypad is not working, you are not alone. Keypad problems can be faced in many ways, but there can be many reasons your Spartan Mower keypad is not working.

Dead Battery: If your Spartan Mower keypad is not working, look for signs of a dead battery. If the battery is not charging, you may need to replace it. Other than this, a low battery will not be enough to power the keypad.

Loose Connection: if the battery is not the problem, you need to look at tightening connections. Make sure all the links are tight and secured. A Spartan Mower keypad will not work if there is any loose connection.

Faulty Keypad: Lastly, the faulty keypad mayrit why your Spartan Mower keypad needs to be fixed. If this is the issue, you need to replace the keypad with the original one.

Spartan Mower Spindle Problems

Spartan Mower users have also reported some spindle problems related to their mowers. In significant cases, it happens due to an operator error. If you misuse the keypad of your Spartan mower, the spindle will get some damage.

You may not have maintained your Spartan Mower correctly, or the installation is not according to the manual. It is essential to prevent spindle damage by following the manufacturer & manual instructions.

Another significant cause of spindle damage in Spartan Mowers is a lack of lubrication. If your spindle has signs of wear or reduced friction, lubricate it. Lubricating your Spartan Mower spindle will ultimately protect it from being damaged.

If your Spartan Mower keypad is malfunctioning or there is any debris buildup, your Spartan Mower will have some spindle issues also. This usually happens when dirt, grass clipping, or foreign objects as tiny as pebbles get stuck between the spindle and keypad.

It is essential to inspect your Spartan Mower spindle and regularly clean it to prevent this from happening again. If all these don’t resolve your issue, get your unit to your nearest authorized Spartan service center.

Spartan Mower Starting Problems / Spartan Mower Start Button Not Working

If your Spartan Mower starts button is not working, don’t panic. Some troubleshooting methods can help you fix the issue. Firstly, you need to inspect all the components that might be causing the starting problem in the Spartan mower.

If any of those are found faulty, never mind replacing them. Below is the proper table to help you find the cause and solution depending upon what Spartan Mower starting problems you are facing.

Problem  Cause  Solutions
No Spark Corroded or loose battery connection  Replace the battery 
Faulty starter switch Worn wiring harness, disconnected connections or faulty switch Replace the starter switch or Wire that is faulty.
Improper Fuel  Old or dirty fuel  Use fresh, clean fuel 
Not Starting Faulty starter motor  Replace the starter motor 
Stalling A Lot Obstructed spark plug, Dirty carburetor. Clean the spark plug or carburetor.
Button Not Working Damaged Spark Plug or Button Replace the spark plug or button

Spartan Mower Cut Problems

3 Common Problems

  • Uneven Cut: if you notice rough cuts, you must inspect the Blade first. If there is any sign of damage, make sure to replace it. It would help if you also sharpened the knives from time to time to prevent them from becoming dull. Dull blades can also cause cuttings evenly. The Blade will cut unevenly if the Spartan Mower is not adjusted according to the grass height.
  • Scalping: if this is the case, you should go to the re-adjusted deck setting. If the cutting deck is too low, you will notice many scalping spots on your lawn. Scalping will also occur if your property is uneven.
  • Not Cutting At All: If the blades are worn out, you must replace them. Also, only operate a mower on wetlands if it is designed to do so. 

Causes & Solution 

Plugging – if your mower has a plugging issue, there might be grass clipping buildup in the cutting deck. If your Spartan Mower cannot correctly cut and discharge the grass clipping, it will stop functioning. Ensure to clean any grass buildup to solve the issue.

Grass And Debris Buildup: If grass clipping or debris buildup is in the cutting deck, it will overload. After that, the Blade will not be able to rotate freely. It is essential to clean your Spartan Mower deck properly and frequently.

Dull Blades: With aging and overuse, a Spartan Mower blade will have signs of wear & tear or may become sluggish. If the Spartan Mower blade needs replacement, do it asap. Dull Blade will always result in an uneven cut, scalping, and other issues.

Worn Out Belts: if there is any problem in the transmission, your Spartan Mower will deliver a poor cut. Make sure to take a check for any worn-out belt that needs replacement. The faulty Belt will cause a lack of power transmission and other issues with your Spartan Mower component.

Spartan Mower Deck Problems

Users have also reported issues with their Spartan Mower deck. Below I will mention a few causes of the Spartan Mower deck problem and its solution.

Spartan Mower Deck Not Levelled 

If your Spartan Mower deck needs to be adequately leveled, you will likely notice scalping and uneven cuts. This problem can be caused either by a bent Deck or worn-out deck adjustment parts. If you see any bare spots, ruts, or uneven blemishes, level the Deck properly. Always check the mountings and adjustment parts. If any of those needs replacement or repair, do it.

Spartan Mower Deck Rust

With aging, a Spartan Mower deck can also rust, affecting its ability to cut effectively. This problem usually arises when you expose your Spartan Mower to moisture. If you have yet to take proper measures to regularly take care of your Spartan Mower maintenance, you will notice rest spots on the Deck. Other signs can also include reduced cutting performance. If this is the issue, remove the rust using a rust remover. You can also do it by sanding. Never use rust inhibitors or paint to prevent your Spartan Mower deck from getting rust.

Spartan Mower Faulty Drive belt

If you notice poor power transmission to the cutting deck, it might be due to a worn-out drive belt. This usually happens due to prolonged use Or Poor maintenance. Worn Belts also occur due to aging. Therefore, you should look for signs of wear on your Spartan Mower drive belt. If your Spartan Mower drive belt has been slipping off, inspect it frequently and replace them.

Spartan Mower Steering Problems

If you are having steering problems, you are not alone. Spartan Mower users and all mower users have experienced steering problems once in their lifetime.

If there is any problem with the steering, you will find your Spartan Mower difficult or even impossible to operate. According to Spartan Mower users, the most common steering problem is losing steering control.

Unfortunately, this can be caused by many issues. First, inspect for any worn-out steering component. Other than this, if there is any wear in the steering system or the steering fluids level is running low, you will have steering issues with the Spartan mower.

If your Spartan Mower steering wheel is hard to turn, there might be a problem with the steering linkage. Suppose it has any signs of wear and tear; repair or replace it as required. If the steering fluid level is insufficient, restore it to the correct level using the dipstick.

If there is any problem with the steering pulling to one side when trying to drive in a straight line, look out for misaligned suspension or wheels. Sometimes your Spartan Mower steering pulls to one side due to uneven tire pressure.

This is important to solve as soon as possible to avoid any danger while driving and try to keep the Spartan Mower in a straight line. It is essential to take care of your Spartan Mower daily by checking and replacing worn-out or damaged parts as much as possible. Ensure to keep the tires inflated, wheels aligned, and balanced fluid levels full up to the mark.

Spartan Mower Starter Problems

Starter Problem Causes Signs Possible Fixes
Faulty Starter Motor Aging, Overheating, Or Lack Of Proper Maintenance.  Grinding Or Whirring Noise When The Key Is Turned, Or No Sound At All. Replace Or Repair It If It Is Faulty.
Wiring Related Problems  Poor Installation, Vibration, Or Corrosion.  No Sound When The Key Is Turned, Lights Dimming When The Starter Is Engaged Or Not Starting.   Check The Wiring And Repair Or Replace Any Damaged Or Corroded Connections.
Low Oil Pressure Low Oil Level, Clogged Oil Filter, Or Worn Out Oil Pump.   No Sound When The Key Is Turned, Or A Warning Light On The Dashboard Indicating Low Oil Pressure.   Check The Oil Level, Restore It If Needed. Also Clean The Oil Filter Or Replace The Oil Filter If Necessary. Same To Do With Oil Pump. 
Faulty Starter Solenoid   Starter Motor Not Turning Over The Engine. Aging, Vibration, Or Corrosion. Clicking Sound When The Key Is Turned Or No Sound At All.  Check The Starter Solenoid To Replace Or Repair If Needed.
Dead Battery.  Ageing, Lack Of Charge, Parasitic Drain.  No Sound When The Key Is Turned & Lights Dimming When The Starter Is Engaged. Check The Battery Voltage. And, If It Is Weak, Replace The Battery. 

Spartan Mower Gas Gauge Not Working

Faulty Sending Unit: if your Spartan Mower sending unit needs to be fixed, you will get the wrong reading of the gas gauge. Firstly, locate the sending unit. It is usually located at the bottom of the Spartan Mower fuel tank.

The sending unit is responsible for sending signals to the fuel gauge that indicate the actual amount of fuel present in the tank. If the sending unit is faulty, the indicator will read incorrectly or not at all.

Wiring Issue: Look for any signs of damage on the wiring that connects the sending unit to the gas gauge. If it is corroded or faulty, you need to replace it. Any wiring issue will not send a signal resulting in the Spartan Mower Gas gauge not working

Faulty Gas Gauge: Your Spartan Mower gas gauge has malfunctioned and needs replacement. If this is the case, do it. 

Loose Or Broken Connector: Also check the connector responsible for connecting the sending unit and gauge. If open or broken, your Spartan Mower gas gauge will not work correctly. Tighten any loose connector or replace it if it is broken.

Faulty Fuel Tank Itself: If your Spartan Mower fuel tank is damaged, the gas gauge will not work correctly. This is why I highly recommend you repair any damaged fuel tank of your Spartan mower.

9 Steps For Spartan Mower Troubleshooting

  • Ensure your Spartan Mower has enough fuel in the fuel tank to prevent any starting or stalling problems.
  • Make sure there is enough oil in the Spartan Mower engine to prevent it from not starting.
  • It is essential to clean your Spartan Mower air filter from time to time as a regular part of maintenance. If it is damaged or clogged, you might have to replace it as required.
  • Make sure to address any warning of a dirty spark plug that might prevent your Spartan Mower engine from starting. It would help if you also cleaned this spark plug from time to time to prevent it from getting worn out quickly, then it should be.
  • It is also essential to inspect the brake, fittings, and safety switches to see if they are functioning correctly or not. If there is any problem, repair or replace it as needed.
  • If there is any problem with your Spartan Mower starter, your Spartan Mower will receive enough power to turn over.
  • Make sure you are keeping your Spartan Mower battery fully charged. If it seems weak or dead, do replace it and prevent your Spartan Mower from not starting.
  • If any wiring is loose, you will need to tighten it. Also, check for loose Connections or signs of corrosion. If any connection is corroded, you need to replace it too. 
  • Also, check your carburetor, which is responsible for the Spartan Mower engine starting correctly. If it gets clogged or faulty, your Spartan Mower engine will not idle properly.


In this article, I gave you all the general troubleshooting steps and fixes for specific problems depending on the causes. Please find the root cause and fix the issue with your Spartan Mower. If you need more experience, contact a mechanic.

After reading this article, if you are not confident in having a Spartan mower, you can also look at many other options in the market. However, a Spartan Mower is a worthwhile investment to keep your Spartan Mower lawn maintenance more accessible, efficient, and precise while consuming less time.

If you want to take better care of your garden or lawn, get a Spartan Mower, as they are known for giving a well-manicured and attractive appearance to your landscape while saving you a lot of energy and time.

Spartan Mower will be a good investment as most common problems are easy to solve if you have some basic knowledge and expertise around fixing any mower or vehicle. Using the user manual and guide like this, anyone can improve their Spartan Mower problem.

If you like this article, please share it. Your share will help many people learn about the upsides and downsides of having a Spartan mower. Do check our other article on different brand & model mower problems. See you in the next post; till then, take care and good boy.

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