How to Change the Oil in Lawn Mower: Easy Step-by-Step Guide
Changing the oil in your lawn mower is important. It keeps the engine running well. This guide will show you how. It’s easy. Just follow the steps below.
Why Change the Oil?
Changing the oil is good for your lawn mower. It helps the engine last longer. Old oil gets dirty. Dirty oil can harm the engine.

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What You Need
You will need a few things. Here is a list:
- New oil
- Oil filter
- Wrench
- Oil pan
- Funnel
- Rag
Steps to Change the Oil
Step 1: Prepare Your Lawn Mower
First, turn off the lawn mower. Let it cool down. It is safer to work on a cool engine. Remove the spark plug wire. This will prevent the mower from starting.
Step 2: Drain The Old Oil
Find the oil drain plug. It is under the mower. Place the oil pan under the plug. Use the wrench to remove the plug. Let the old oil drain out. This may take a few minutes.
Step 3: Remove The Oil Filter
Not all mowers have an oil filter. If yours does, remove it. Use the wrench to loosen it. Be careful. Some oil may spill out. Have your rag ready to clean it up.
Step 4: Install The New Oil Filter
Get the new oil filter. Rub a little oil on the rubber seal. This helps it fit better. Screw the new filter on. Tighten it with your hand. Do not use the wrench. Hand-tight is enough.
Step 5: Add New Oil
Find the oil fill cap. It is on top of the engine. Remove the cap. Use the funnel to pour in the new oil. Check the owner’s manual for the right amount. Do not overfill.
Step 6: Check The Oil Level
Replace the oil fill cap. Start the mower for a few minutes. Then turn it off. Check the oil level with the dipstick. Add more oil if needed. Do not overfill.
Step 7: Clean Up
Wipe up any spilled oil. Dispose of the old oil properly. Many places take old oil for free. Check with your local waste disposal.
Tips for a Smooth Oil Change
Here are some tips:
- Change the oil after 25 hours of use.
- Warm up the engine before you start.
- Use the right type of oil.
- Check the oil level regularly.
Frequently Asked Questions
How Often Should I Change Lawn Mower Oil?
Change the oil every 25-50 hours of use. Check your manual for exact intervals.
What Type Of Oil Is Best For Lawn Mowers?
Use SAE 30 motor oil. Check your mower’s manual for specific recommendations.
Can I Use Car Oil In A Lawn Mower?
Yes, but use SAE 30 oil. Avoid multi-viscosity oils like 10W-30.
How Do I Drain The Old Oil?
Tilt the mower or use the drain plug. Catch oil in a container.
What Happens If I Don’t Change Lawn Mower Oil?
Old oil can cause engine wear, overheating, and poor performance. Change it regularly.
How Much Oil Does A Lawn Mower Need?
Typically, mowers need 18-20 ounces of oil. Check your manual for exact amounts.
Conclusion
Changing the oil in your lawn mower is easy. It helps the engine run well. Follow these steps. Your lawn mower will thank you.