How To Start Bad Boy Mower Today (Easy Guide)

By | January 29, 2024

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Welcome to the definitive guide on how to start Bad Boy mower.

I bring to the table years of hands-on experience with Bad Boy mowers, ensuring that the advice you receive here is not only practical but steeped in the kind of expertise that comes from real-world usage and troubleshooting.

Key Takeaways

  • Start a Bad Boy mower by activating the parking brake, setting control arms to neutral, and ensuring the PTO is off before turning the ignition key.
  • Regular inspection of fluid levels and components, and ensuring proper ventilation, are crucial preparatory steps for a trouble-free start.
  • Addressing common issues such as fuel system glitches, electrical problems, and engine or spark plug concerns is essential for reliable mower operation.
  • Maintaining your Bad Boy mower involves cleaning and replacing filters, inspecting and changing spark plugs, and monitoring and changing engine oil, all of which contribute to consistent, smooth startups.

How to start bad boy mower: Step-by-Step Guide

To ensure a smooth start with your Bad Boy mower, follow these essential steps:

  • Activate the parking brake
  • Ensure the control arms are in the neutral position
  • Confirm that the PTO (Power Take-Off) is switched off

Engage Parking Brake

Begin by positioning the drive arm to the ‘open’ setting and making sure the blade engagement switch is turned off.

Locking the parking brake will keep your mower firmly in place; you’ll know it’s engaged when the lever is in the ‘on’ position and the blades are stationary. This step is crucial for your safety and helps to prolong the life of your mower.

Set Arms in Neutral Position

Before you start the engine, it’s important to prevent any unintentional movements. Adjust the control levers to the neutral setting to stabilize the mower. Double-check the choke lever to ensure its functioning correctly, which will facilitate a smoother startup.

Disengaging the PTO Switch

Ensure the PTO switch is in the off position to stop the blades from activating as you start the engine. This is a vital safety measure to prevent accidents and to avoid any issues during ignition.

With these steps completed, you can now turn the ignition key to start your mower and set off on your lawn maintenance journey with confidence.

Proper Preparation for Starting Your Bad Boy Mower

Starting Bad Boy mower

Prior to starting your mower, inspect fluid levels, check for wear or damage on components, and guarantee proper ventilation.

Adhering to these steps paves the way for an effortless start and a flawless mowing experience.

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Inspect Fluid Levels

Initially, checking the oil, fuel, and other fluid levels in your Bad Boy mower is a pivotal step. Maintaining the right levels helps ensure optimal performance and prevent starting issues. For instance, the recommended levels are:

  • Oil level: 2 quarts, utilizing 10W30 grade motor oil, either conventional or synthetic
  • Fuel level: Fill the tank with fresh gasoline
  • Other fluid levels: Check and refill as needed

When it comes to fuel, filling the gas tank with unleaded gasoline having a minimum octane rating of 87 and a maximum ethanol level of 10 percent is recommended.

Be sure to inspect the hydraulic fluid and coolant levels as per the manufacturer’s guidelines. Ensuring proper fluid levels not only helps prevent starting problems but also contributes to the overall health and longevity of your mower.

Related: How to Change Hydraulic Fluid in Zero Turn Mower

Check Components

Another crucial part of preparation is assessing components including belts, blades, and cables for wear or damage, and replacing or repairing them as necessary prior to starting the Bad Boy Mower.

For example, indications of wear or damage on mower belts may include side wall damage, glazing, cracking, slipping, or vibrating.

Similarly, inspect the mower blades for visible damage or bending, and check the cables for fraying, kinks, or breaks.

Properly functioning components not only ensure a smooth starting procedure but also contribute to the overall safety and performance of your mower.

Remember, a little attention to detail can save you from potential headaches down the road!

Ensure Proper Ventilation

Make sure your riding lawn mower is in a well-ventilated area to prevent overheating and ensure proper air intake. Overheating can lead to damage to the engine and other components, as well as loss of power or complete shutdown of the mower.

To ensure proper ventilation, avoid using your mower in enclosed or confined spaces and regularly clean the air filter to maintain proper airflow.

Troubleshooting Common Starting Issues

Troubleshooting Bad Boy mower starting issues

Common startup problems and their solutions, including troubleshooting fuel system glitches, electrical issues, and concerns with the engine and spark plug.

Fuel System Issues

Fuel system problems can often be the cause of starting difficulties. To address these issues, you can:

  1. Check for fuel leaks, clogs, or contamination that might be hindering proper fuel flow.
  2. If your mower contains old fuel, drain the fuel tank using a fuel siphon and add fresh fuel with a fuel additive to stabilize and clean the fuel system.
  3. Old fuel can cause your mower to emit unusual starting noises, abruptly stop, or simply not start.

Another common fuel system issue is a clogged carburetor or a problematic fuel line. If the carburetor is dirty, it should be disassembled and cleaned with a carb cleaner or replaced by a mechanic.

Addressing fuel system issues guarantees a smooth, hassle-free startup for your mower.

Learn More: Bad Boy Fuel Gauge Not Working

Electrical Problems

Electrical issues can also prevent your mower from starting. To resolve these problems, test the battery, clean the terminals, and tighten loose connections.

A weak or dead battery can cause difficulty in cranking or starting the engine, low voltage readings, and clicking noise when attempting to start the mower. If the battery is aged or faulty, it should be replaced.

In addition to the battery, inspect the ignition switch and safety switch for any issues that might be preventing your mower from starting. Resolving electrical issues reinstates your mower’s starting capabilities, facilitating a reliable mowing experience.

Engine and Spark Plug Concerns

Lastly, engine and spark plug issues can cause starting difficulties. Here are some signs to look out for:

  • Wear, damage, or carbon buildup on the spark plug
  • Increased fuel consumption
  • Deposits on the cylinder head
  • Oil dilution
  • Pre-ignition
  • Loss of power
  • Sputtering
  • Backfiring

If you notice any of these signs, inspect the spark plug and replace it if necessary. A bad spark plug can lead to these issues.

In addition to the spark plug, monitor the engine oil levels and change the oil as recommended by the manufacturer. Dirty or dark engine oil can contribute to starting problems and affect the overall performance of your mower.

Addressing engine and spark plug issues guarantees consistent, smooth startups.

Maintenance Tips for Reliable Starts

Bad Boy mower engine

For effortless startups with your Bad Boy mower, regular maintenance is paramount. We explore three crucial maintenance tasks: frequent cleaning and replacement of filters, routine inspection and replacement of spark plugs, and consistent monitoring and changing of engine oil.

Implementing these maintenance tips ensures reliable startups and a smoothly operating mower for the long run.

Regularly Clean and Replace Filters

Clean and efficient filters are vital for your Bad Boy mower to perform optimally. Regularly cleaning and replacing air and fuel filters can help prevent starting issues and ensure your mower runs smoothly.

It’s recommended to replace air and fuel filters every 100 hours or annually, and more often if you mow regularly.

To determine if your filters need replacement, look for signs of dirt, debris, or damage. If the filters appear dirty or clogged, it’s time to replace them.

Inspect and Change Spark Plugs

Spark plugs are crucial for starting your mower, and their regular inspection and replacement can ward off startup problems.

Signs of a worn or damaged spark plug include cracks, corrosion, or excessive carbon buildup. If you notice any of these issues, replace the spark plug with a new one, ensuring it is correctly gapped and the spark plug wires are secure.

It is recommended to replace the spark plugs on your Bad Boy mower every 250 hours of operation. Routine inspection and replacement of your spark plugs guarantees reliable startups and peak engine performance.

Monitor and Change Engine Oil

Finally, consistent monitoring and changing of your Bad Boy mower’s engine oil is crucial for sustaining engine performance and avoiding startup issues caused by bad engine oil.

Here are some steps to follow:

  1. Check the engine oil levels regularly.
  2. Change the oil as recommended by the manufacturer.
  3. If you notice the oil appears dirty or dark, it’s time for an oil change.

Executing these straightforward maintenance tasks keeps your Bad Boy mower in prime condition, guaranteeing reliable starts and a seamless mowing journey with Bad Boy mowers.


Starting your Bad Boy mower doesn’t have to be a daunting task.

By following the proper preparation steps, adhering to the step-by-step starting guide, troubleshooting common starting issues, and performing regular maintenance, you can ensure a smooth and reliable start every time.

So go ahead, fire up your Bad Boy mower and enjoy a flawless mowing experience with confidence!

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Frequently Asked Questions

How do you turn on a Bad Boy lawn mower?

To turn on a Bad Boy lawn mower, insert the key in the ignition switch and rotate clockwise to the START position. Release the key when the engine starts and the switch will automatically return to the RUN position.

Why is my bad boy mower not starting?

It appears that the reason my mower won’t start is due to a lack of charge in the battery, old fuel or water in the tank, and/or a faulty spark plug or connection. Checking all these items should help diagnose and resolve the issue.

What is the recommended oil level for a Bad Boy mower?

The recommended oil level for a Bad Boy mower is 2 quarts of 10W30 grade motor oil, conventional or synthetic.

How often should I replace the air and fuel filters in my Bad Boy mower?

It is recommended to replace your Bad Boy mower’s air and fuel filters every 100 hours or annually, for optimal performance.

How do I engage the parking brake on a Bad Boy mower?

To engage the parking brake on your Bad Boy Mower, set the drive arm to the ‘open arm’ position and turn off the blade engagement switch. This will ensure your mower is properly parked.