Lawn Mower Parts You Can Replace Yourself

Like other machines, lawn mowers require regular maintenance to work at their best. Keeping the blades sharp, changing the oil every 50 hours (or season) of use, and cleaning the underside of the mower deck to prevent grass buildup are all important parts of mower ownership.

But even diligent lawn mower owners end up dealing with faulty parts that need to be replaced. Learn the benefits of making lawn mower repair a DIY job, and which parts you can replace by yourself with a little expertise.

Repairing or replacing lawn mower parts makes sense because you save money and time.

It's easy to find replacement lawn mower parts online today. With just a few clicks, you can have the specific replacement blades, cables, cables or other parts you need delivering right to your door. Parts have also been getting cheaper.

Professional repairs cost more because you're paying for the technician's time, and repair shops often charge more for the same parts than online retailers. Non-DIY repairs also take longer because you'll spend time driving the mower cart to and from the nearest repair shop. For many of these repairs, you can easily do it yourself, finish mowing the lawn and move on to other things.

These are the parts that need the most replacement:

Blades: Lawn mower blades are always dull, rusted, and bent. Fortunately, they are easy and cheap to replace. To be safe, disconnect the spark plug wires before making any repairs. Flip the mower over (ideally when the tank is empty) and use a wrench to loosen the nut holding the old blade. Put on a new blade and tighten the nut.

Drive belt: Some self-propelled walk-behind lawn mowers have a drive belt that powers the wheels. They can easily stretch or crack over time. If you notice that your lawnmower doesn't drive itself, as usual, you may have a bad belt. Purchase a replacement of the appropriate length and thickness (see your owner's manual), then remove the belt cover and pull the old belt off the drive and drive pulleys. Put on the new drive belt and buckle everything up.

Pull cords: Repeated friction from frequent pulling often causes mower pull cords to fray and break. Order a replacement for your specific mower to make sure it's the correct length and diameter, or buy a universal drawcord kit and trim carefully to adjust your own length to match your old mower. Remove the mower's starter assembly. Undo the old rope and cut the ends off to remove it. Thread the new power cord through the starter assembly and handle, then tie the ends and recoil.

Spark plugs: While modern spark plugs don't fail very often, if your lawnmower has serious problems starting, it could be a bad spark plug. Find out what type of spark plugs you need in your lawn mower manual and buy them online or in-store for a few dollars. Disconnect the spark plug wires, then use a socket wrench to loosen and remove the old spark plug. Carefully screw in the new one, then tighten it with a wrench, being careful not to overtighten it. Reconnect the spark plug line and you can start.

While most parts on modern lawn mowers are relatively easy and inexpensive to replace, some repairs are so difficult that it makes sense to buy a new one. An example: Severe engine damage due to low oil levels or failure to change the oil frequently enough. Major lawn mower engine repairs are not something the average homeowner can do, and such repairs will almost certainly cost more than buying a new lawn mower. That's the time to start shopping.

The above is a brief description of the lawn mower spare parts that need to be replaced frequently. If you are planning to buy lawn mower parts, please contact us.

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