How to Change Oil in Your Lawn Mower: Step-by-Step Guide

Regular oil changes are essential for maintaining your lawn mower's performance and longevity. Learn how to change the oil properly with our comprehensive guide.

30-45 minutes
beginner
spring

Tools You'll Need

  • Socket wrench set
  • Oil drain pan
  • Funnel
  • Work gloves
  • Safety glasses
  • Rags or paper towels

Materials

  • New oil (check owner's manual for type and amount)
  • New oil filter (if applicable)
  • Oil disposal container

Step-by-Step Instructions

1

Prepare Your Mower

Run the mower for 5-10 minutes to warm the oil, making it easier to drain. Then turn off the engine and disconnect the spark plug wire for safety.

Pro Tips

  • Warm oil flows better
  • Always disconnect spark plug for safety
2

Locate the Drain Plug

Find the oil drain plug on the bottom of the mower deck. It's usually a bolt or plug that can be removed with a socket wrench.

Pro Tips

  • Consult your owner's manual for exact location
  • Place drain pan underneath before removing plug
3

Drain the Old Oil

Remove the drain plug and let the oil drain completely into the pan. Tilt the mower slightly if needed to get all the oil out.

Pro Tips

  • Let it drain for several minutes
  • Don't rush this step
4

Add New Oil

Replace the drain plug and use a funnel to add the correct amount and type of new oil. Check the dipstick to ensure proper oil level.

Pro Tips

  • Use oil recommended in your owner's manual
  • Don't overfill - check dipstick
5

Clean Up and Test

Wipe up any spilled oil and properly dispose of the old oil at a recycling center. Reconnect the spark plug and test the mower.

Pro Tips

  • Never pour oil down drains
  • Many auto parts stores accept used oil

Frequently Asked Questions

How often should I change my lawn mower oil?

Most manufacturers recommend changing oil every 25-50 hours of use or annually, whichever comes first.

What type of oil should I use?

Check your owner's manual, but most small engines use SAE 30 or 10W-30 oil. Some newer engines may require synthetic oil.

How much oil does my mower need?

Most push mowers need 15-20 ounces of oil. Check your owner's manual or the oil fill cap for the exact amount.

Can I use car oil in my lawn mower?

No, use oil specifically designed for small engines. Car oil may contain additives that can damage small engines.

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