How To Store A Lawn Mower Outside Safely: Essential Protection

How To Store A Lawn Mower Outside
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How To Store A Lawn Mower Outside Safely: Essential Protection

Can you store a lawn mower outside? Yes, you can store a lawn mower outside, but it requires proper preparation and protection to prevent damage from the elements and ensure its longevity. Storing your lawn mower outdoors can be a practical solution when garage or shed space is limited, but it comes with unique challenges that must be addressed to safeguard your equipment. This comprehensive guide will walk you through the best practices for outdoor mower storage, focusing on effective lawn mower protection and ensuring your machine is ready to go when you need it.

Securing Your Mower: The Fundamentals of Outdoor Storage

Storing a lawn mower outside without adequate protection is akin to leaving your car exposed to the harshest weather without a car cover – it’s a recipe for accelerated wear and tear. The primary goal is to create a barrier against moisture, UV rays, extreme temperatures, and potential theft or vandalism. Failing to do so can lead to rust, degraded plastic components, engine damage, and a significantly shortened lifespan for your valuable equipment.

Protecting Mower from Weather: Key Considerations

When planning your outdoor mower storage, consider the specific environmental factors you’ll be dealing with:

Moisture: Rain, snow, and dew are the biggest culprits for rust and corrosion, especially on metal parts and the engine.
Sunlight (UV Rays): Prolonged exposure to direct sunlight can degrade plastic components, fade paint, and damage the mower’s deck and tires.
Temperature Extremes: Freezing temperatures can cause fluids to expand, potentially damaging the engine or fuel tank. Extreme heat can also affect rubber and plastic parts.
Dirt and Debris: Dust, leaves, and other garden debris can clog air intakes, contribute to corrosion, and make the mower look unkempt.
Pests: Small animals might nest in or chew on electrical wires and fuel lines, causing damage.

The Best Way to Store Mower Outside: A Multi-Layered Approach

The absolute best way to store mower outside involves a combination of cleaning, proper fuel management, and robust covering. It’s not just about throwing a tarp over it; it’s about creating a secure and protective environment.

Preparing Your Lawn Mower for Outdoor Storage

Before you even think about covering your mower, thorough preparation is crucial for effective lawn mower protection. This initial step sets the foundation for successful long-term outdoor storage.

Cleaning Your Mower Thoroughly

A clean mower is a protected mower. Any grass clippings, dirt, or mud left on the mower can trap moisture, leading to rust.

Remove Debris: Use a brush, leaf blower, or compressed air to remove all loose grass, leaves, and dirt from the deck, engine, and wheels.
Wash the Underside: Turn the mower on its side (ensure the spark plug is disconnected first!) and thoroughly clean the underside of the deck. Use a hose and a stiff brush. Avoid spraying water directly into the engine or air intake.
Dry Completely: Allow the mower to air dry completely before proceeding. You can speed this up with towels or a leaf blower.

Fuel System Management for Outdoor Storage

Improper fuel management is a common mistake that can lead to significant problems when you next try to start your mower.

Option 1: Empty the Fuel Tank (Recommended for Long-Term Storage):
- Why: Stale gasoline can break down over time, forming gummy deposits that can clog the carburetor and fuel lines. This is especially true if the mower will be stored for several months, like during winter mower storage.
- How: Use a siphon pump or tilt the mower to drain the fuel into an approved gasoline container. Run the engine for a few minutes until it stalls from lack of fuel. This helps clear any residual fuel from the carburetor.
Option 2: Use a Fuel Stabilizer (for Shorter-Term Storage or if Emptying is Not Feasible):
- Why: Fuel stabilizers are designed to prevent fuel degradation.
- How: Add the recommended amount of fuel stabilizer to a nearly full gas tank. Run the engine for 5-10 minutes to allow the treated fuel to circulate through the entire fuel system, including the carburetor.

Battery Care (for Electric Start Mowers)

If your mower has an electric start, the battery needs attention.

Disconnect the Battery: For safety and to prevent any residual drain, disconnect the battery terminals.
Store Indoors (Ideal): If possible, remove the battery and store it in a cool, dry place indoors. Batteries perform better and last longer when not exposed to extreme outdoor temperatures.
Maintain Charge: If storing the battery indoors, check its charge periodically and recharge it as needed.

Oil Check and Change

It’s a good practice to change the oil before storage, especially if it’s been a while.

Drain Warm Oil: Warm oil drains more easily and carries away more contaminants. Drain the old oil while the engine is slightly warm.
Refill with Fresh Oil: Fill the engine with the correct type and amount of fresh oil as specified in your owner’s manual.
Lubricate Moving Parts: Apply a light coating of oil or grease to any exposed metal parts that might be prone to rust, such as the blade spindle and control linkages.

Choosing the Right Protection: Mower Storage Solutions

With your mower prepped, it’s time to select the most suitable mower storage solutions for your needs. The goal is to create a secure and weather-resistant environment.

The Mower Storage Cover: Your First Line of Defense

A good quality mower storage cover is the most accessible and common method for covering a lawn mower.

Types of Mower Covers

Fabric Covers: These are typically made from durable, waterproof or water-resistant materials like polyester or nylon. They offer good protection against rain, sun, and dust. Look for covers with UV inhibitors to prevent sun damage.
Heavy-Duty Vinyl Covers: These are even more robust and often offer better waterproofing and tear resistance. They can be heavier and more expensive but provide superior protection.
Custom-Fit Covers: These are designed specifically for your mower model, offering a snug fit and better overall protection. They are usually more expensive but provide the best aesthetic and functional coverage.

Key Features to Look For in a Mower Cover

Waterproof/Water-Resistant: Essential for keeping moisture away.
UV Protection: Prevents sun damage to the mower’s exterior.
Breathability: Some covers have vents to allow air circulation, reducing the risk of condensation buildup inside.
Secure Fit: Look for elastic hems, drawstrings, or buckle straps to ensure the cover stays in place, especially in windy conditions.
Durability: A cover made from heavy-duty fabric will last longer and offer better protection.

How to Properly Use a Mower Storage Cover

Ensure Mower is Dry: Never cover a damp mower, as this traps moisture and promotes rust.
Fit Snugly: Drape the cover over the mower, ensuring it covers the entire machine, including the wheels.
Secure the Cover: Fasten any drawstrings or straps tightly. If using a fabric cover without built-in ties, you might consider using bungee cords to secure it to the mower’s frame or wheels, ensuring they don’t snag on anything.

The Mower Shed Storage: The Gold Standard

If you have access to a shed or can build one, mower shed storage offers the ultimate protection for your lawn mower.

Benefits of Shed Storage

Complete Weather Protection: Shields the mower from rain, snow, sun, wind, and dust.
Temperature Regulation: While not fully climate-controlled, a shed can offer more stable temperatures than direct outdoor exposure.
Pest Deterrence: Provides a barrier against rodents and insects.
Security: Offers a more secure storage solution against theft.
Organization: Allows for storing fuel cans, tools, and other mower-related accessories nearby.

Types of Mower Sheds

Pre-fabricated Sheds: Available in various materials like plastic, metal, or wood. They are relatively easy to assemble and offer good durability.
Custom-Built Sheds: Offer the most flexibility in size and design to perfectly suit your needs and property.
Lean-to Sheds: Attached to an existing structure, these can be a space-saving solution.

Setting Up Your Mower Shed for Storage

Clear the Space: Ensure the shed is clean and free of clutter.
Elevate the Mower (Optional but Recommended): Place the mower on blocks of wood or a pallet to lift it off the shed floor. This prevents the tires from sitting directly on potentially damp concrete and improves air circulation around the mower.
Consider Ventilation: If your shed is very airtight, consider adding a small vent to allow for some air circulation and prevent condensation.
Secure Storage: Ensure the shed door is lockable for added security.

Using a Mower Storage Tarp: A More Basic Approach

If a dedicated cover or shed isn’t an option, a mower storage tarp can be a supplementary or temporary solution, but it’s crucial to use it correctly.

Choosing the Right Tarp

Waterproof Material: Opt for a heavy-duty, waterproof tarp. Polyethylene tarps are common and affordable.
UV Resistance: Look for tarps that are treated to resist UV rays, as prolonged sun exposure can weaken the material.
Size: Ensure the tarp is large enough to completely cover the mower and extend down the sides to protect the wheels.

How to Secure a Tarp Effectively

Create a Raised Platform: If possible, place the mower on a raised platform (like wooden pallets) to keep it off the ground.
Drape the Tarp: Cover the mower completely with the tarp.
Secure Tightly: This is the most critical step with tarps. Use strong bungee cords, rope, or ratchet straps to secure the tarp tightly to the mower’s frame, wheels, or any stable nearby objects. Avoid creating pockets where water can collect. The goal is a taut, wind-resistant covering.
Avoid Trapping Moisture: Ensure there are no gaps where rain can seep in but also try to allow for some minimal airflow if possible. Tucking the edges under the mower or securing them firmly can help.

Additional Tips for Long-Term Outdoor Mower Storage

Beyond the primary covering, several other factors contribute to successful outdoor mower storage.

Tire Pressure

For self-propelled or riding mowers, it’s advisable to adjust tire pressure for storage.

Over-inflate slightly: This can help prevent flat spots from developing on the tires from prolonged sitting. Check your owner’s manual for recommended storage pressure.

Protecting Against Pests

Even with covering, pests can be a nuisance.

Mothballs or Repellents: Placing a few mothballs or a rodent repellent (specifically designed for outdoor equipment) in a small, sealed bag near but not on the mower can help deter pests. Ensure the repellent doesn’t come into direct contact with the mower’s plastic or rubber parts.
Peppermint Oil: Some people find that placing cotton balls soaked in peppermint oil around the mower can deter rodents.

Location, Location, Location

The placement of your mower outdoors is also important.

Level Ground: Ensure the mower is stored on level ground to prevent fuel or oil leaks and maintain stability.
Avoid Under Trees: Storing the mower under a tree can lead to more debris (leaves, sap, bird droppings) falling on it, increasing the cleaning effort and potential for damage.
Consider Wind Direction: If possible, position the mower so the cover is less likely to be directly hit by prevailing winds.

Storing Different Types of Lawn Mowers Outdoors

While the general principles apply, some specifics might vary depending on your mower type.

Riding Lawn Mowers

Riding mowers are larger and have more complex systems, so they require extra attention.

Covering: A large, heavy-duty tarp or a custom-fit riding mower cover is essential. Ensure it covers the entire machine, including the seat and tires.
Battery Removal: For extended storage, removing the battery and storing it indoors is highly recommended.
Tire Pressure: Over-inflating tires slightly can help prevent flat spots.
Elevate: If possible, store on blocks to keep the tires off the ground.

Push Lawn Mowers (Gasoline)

These are generally more straightforward but still require protection.

Covering: A standard mower cover or a durable tarp is usually sufficient.
Fuel Management: Crucial for preventing carburetor issues. Emptying the tank or using a stabilizer is key for winter mower storage.
Blade Maintenance: If you’re storing for a long period, consider removing the blade, cleaning it, sharpening it, and applying a light coat of oil to prevent rust before storing it separately.

Electric Lawn Mowers (Corded and Battery-Powered)

These have different considerations.

Corded Electric: The primary concern is protecting the motor and electrical components from moisture. A good cover is important.
Battery-Powered (Cordless):
- Battery Storage: The battery is the most critical component. Always remove the battery and store it indoors in a cool, dry place. Fully charge it before storing and check the charge every few months. Extreme cold or heat can damage lithium-ion batteries.
- Mower Body: The mower itself still needs protection from the elements, just like a gas mower. A cover is still necessary.

Seasonal Storage: Winter Mower Storage Specifics

Winter mower storage is the most common scenario for long-term outdoor storage. Here’s a recap of the most critical steps for this period:

Thorough Cleaning: Remove all grass and debris.
Fuel System: Empty the fuel tank and run the engine dry, OR fill the tank with fresh fuel and add a fuel stabilizer.
Oil Change: Change the oil with fresh oil.
Battery Care: Remove the battery and store it indoors in a cool, dry place.
Lubrication: Lubricate moving parts.
Tire Pressure: Slightly over-inflate tires.
Cover Securely: Use a high-quality, weather-resistant cover or a properly secured tarp.
Location: Choose a dry, level spot, preferably off the ground.

Frequently Asked Questions (FAQ)

Q1: Do I need to remove my lawn mower from the grass when storing it outside?
A1: Yes, it’s highly recommended to store your lawn mower on a hard, level surface like concrete, gravel, or a pallet, rather than directly on grass. Grass can hold moisture, which can contribute to rust and corrosion on the mower’s deck and wheels. Elevating it slightly off the ground also improves air circulation.

Q2: What happens if I don’t prepare my lawn mower for storage?
A2: If you don’t prepare your lawn mower for outdoor storage, you risk significant damage. This includes rust and corrosion on metal parts, fuel system problems (like a clogged carburetor due to stale fuel), degraded plastic and rubber components from sun exposure, battery damage from extreme temperatures, and potential pest infestations that can chew through wiring or fuel lines. This can lead to costly repairs or a shortened lifespan for your equipment.

Q3: How often should I check my mower when it’s stored outside?
A3: For long-term storage (like over winter), it’s a good idea to check on your mower at least once every 1-2 months. This allows you to inspect the cover for any damage or shifting, ensure it remains secure, and check for any signs of pest activity or moisture ingress. If the battery was removed, check its charge periodically as well.

Q4: Can I just throw an old tarp over my mower?
A4: While an old tarp might offer some basic protection, it’s generally not the best way to store mower outside for extended periods. Old tarps may not be waterproof, can degrade in sunlight, and are often difficult to secure properly, allowing wind and moisture to get underneath. A purpose-made mower cover or a heavy-duty, UV-resistant tarp secured tightly is far more effective for proper lawn mower protection.

Q5: Is it okay to store my lawn mower with a full tank of gas outside?
A5: For short-term storage (a few weeks), it might be acceptable, but for longer periods, especially through winter, it’s not ideal. Gasoline can degrade, forming varnish and gum that clog the carburetor. It’s much better to either empty the fuel tank and run the engine dry or fill the tank completely with fresh fuel and add a fuel stabilizer. This is a critical part of protecting mower from weather related to fuel system integrity.

By following these detailed steps, you can ensure your lawn mower remains in excellent condition, even when stored outdoors. Proper preparation, the right protective cover, and a thoughtful storage location are key to extending its lifespan and ensuring it’s ready to tackle your lawn when spring arrives.