Over time, lawn mower tires can wear down, lose traction, or even go flat. Whether you’re dealing with dry rot, a damaged valve stem, or simply worn-out tread, changing your lawn mower tires can breathe new life into your machine — and it’s not as hard as you might think.
Here’s a simple guide to help you swap out those old tires and get back to mowing with confidence.
Before getting started, gather the following tools and supplies:
- Replacement tires (matched to your mower’s size)
- Socket wrench or adjustable wrench
- Flathead screwdriver or pry bar
- Jack or sturdy blocks (for lifting the mower)
- Penetrating oil (like WD-40)
- Hammer or rubber mallet (optional)
- Grease or anti-seize compound (for reinstalling)
- Safety gloves
Check the sidewall of your current tires — you’ll see numbers like 15x6.00-6. These indicate the diameter, width, and rim size. Make sure your replacement tires match these specs exactly. If you’re unsure, check your owner’s manual or manufacturer’s website.
Park the mower on a flat, level surface and turn off the engine. If your mower is gas-powered, remove the spark plug to prevent accidental starts.
Use a jack or a stack of wood blocks to raise the side of the mower with the tire you want to replace. Make sure it’s stable before working.
Most lawn mower wheels are held on by a single bolt or a retaining pin:
- For bolt-on wheels: Use your socket wrench to remove the nut holding the wheel.
- For pinned axles: Pry off the dust cap (if there is one), then remove the cotter pin or clip with pliers.
If the wheel is stuck due to rust or grime, apply penetrating oil and let it sit for a few minutes. You can tap around the rim with a rubber mallet to break it loose.
If you’re only changing the tire and not the entire wheel assembly, you’ll need to:
- Deflate the tire completely.
- Use a couple of flat screwdrivers or tire irons to pry the tire off the rim.
- Apply soapy water to help install the new tire.
- Use a hand pump or air compressor to inflate it to the recommended PSI.
However, many people find it easier to just buy and install a full wheel + tire combo — especially for riding mowers.
Slide the wheel back onto the axle. Apply a light layer of grease or anti-seize compound to help with future removal. Reattach the retaining hardware:
- Tighten the nut securely (but not overly tight to avoid damaging bearings).
- Or, insert a new cotter pin or clip if it’s a pinned wheel.
Spin the wheel by hand to ensure it turns freely and isn’t wobbling.
Carefully lower the mower back to the ground. Reconnect the spark plug (if removed), and do a short test run. If everything feels smooth, you’re good to go!
- Always replace tires in pairs (front or rear) to ensure even traction and steering.
- Consider upgrading to turf-saver or all-terrain tires depending on your lawn’s terrain.
- Keep tire pressure in check — underinflated tires can affect cut quality and steering.
Changing your mower’s tires is a great DIY project that saves time, money, and keeps your machine in top condition. With a little effort, your lawn mower will be rolling like new — ready to tackle another season of yardwork.
Want help choosing the right tire for your specific mower model? Leave a comment below and we’ll point you in the right direction. Happy mowing!
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