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How to Change the Engine Oil in a Walk Behind Lawn Mower

Lawn maintenance begins with a well-maintained lawn mower. This means you need to perform a variety of tasks to keep your mower in the best condition possible. A major task to perform is changing the engine oil in your machine. Old oil can cause problems for your lawn mower’s engine, making it hard to start. Here’s how to properly change the oil on your walk behind lawn mower.

Before performing any maintenance on your lawn mower, refer to your owner’s manual for maintenance instructions and safety information. Maintenance instructions vary by model, so depending on your lawn mower model our instructions may vary slightly.

 

To carry out this task, you’ll need these tools:

  • Drain pan
  • Engine oil (refer to owner’s manual)
  • Rag

To change the oil on your walk behind lawn mower, start the machine and allow it to warm up. It is possible to change the oil in a cold engine, but warm oil is better. This way, as you tip the mower over to get the oil out it’s easier to run and you’re getting all of the oil out of the engine when it’s hot.

Remove the ignition wire to prevent accidental starting and tuck it out of the way so the wire doesn’t make contact with the spark plug. Then loosen the oil cap, which also has the dipstick applied to it.

If there is no drain plug on the bottom of the mower, tip the machine on its side to get the oil out. Let the old oil run into your drain pan. When you tip the machine, make sure the air filter side is up. If not, you run the risk of getting oil in the carburetor and wrecking the air filter.

Once the old oil has stopped draining from the mower, tip it back on its wheels. Use your rag to clean the dipstick of any old oil and debris. Pour the new oil into the mower. Refer to your owner’s manual for the approved type of oil for your mower and the proper amount it requires.

Check the oil level with the dipstick. Depending on where it reads, you may need to add more oil. When checking the oil with the dipstick, place the dipstick into the oil and push it all the way down. Remove the dipstick, clean it with your rag, and place it in the oil one more time to check the oil level.

Lastly, tighten the oil cap on the machine. Turn it all the way to the right (you will feel it click in place) and replace the spark plug wire.

Keeping up with regular maintenance, such as changing the engine oil in your walk behind lawn mower, is important to extend the life of your machine. With fresh engine oil in your mower, you can keep your lawn maintained all season long.

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Why Weingartz?

Weingartz, family owned and operated, began in 1945 as a farm supply store for local Michigan families. In the 1970s, we began to focus exclusively on outdoor power equipment. Over time, we morphed into the “power equipment superstore” that now defines all of our locations. The staff and experts at Weingartz work diligently to provide the best service possible and give honest and helpful advice to each and every customer.

Weingartz also sells parts for all outdoor power equipment at https://weingartz.com/parts-lookup.

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39050 Grand River Ave.
Farmington Hills, MI 48335
(248) 471-3050
info@weingartz.com

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