Leaf blower maintenance guide—petrol and battery models

Check the fuel system

Old or incorrect fuel can cause:

• Problems starting up
• Excessive smoke
• Reduced performance

What to do

• Use fresh fuel
• Use the correct fuel and oil mixture
• Inspect fuel lines for leaks or damage

How to mix two-stroke oil and fuel for a leaf blower

Clean or replace the air filter

A dirty air filter restricts airflow and can cause:

• Power loss
• Smoking
• Poor fuel efficiency

What to do

1. Remove the air filter cover
2. Inspect the filter
3. Clean or replace if dirty

How to clean or replace the air filter on your leaf blower

Check the spark plug

A worn or dirty spark plug can affect:

• Starting
• Engine performance
• Fuel efficiency

What to do

Inspect for:

• Carbon buildup
• Wear or damage
• Incorrect spark plug gap

Replace if needed.

How to clean the spark plug on a leaf blower

How to check a leaf blower spark plug gap

Clean cooling vents and air intake

Blocked airflow can lead to:

• Overheating
• Loss of power
• Engine damage

What to do

Remove dirt and debris from:

• Cooling fins
• Air intake
• Exhaust area
• Exterior housing

Inspect the spark arrestor

A clogged spark arrestor can reduce performance and throttle response.

What to do

• Inspect for carbon buildup
• Clean carefully with a wire brush if needed

Clean the leaf blower regularly

Dust and debris can block airflow and reduce performance.

What to do

Clean:

• Air vents
• Fan housing
• Exterior surfaces

Do not use excessive water or pressure washers.

Inspect the battery

Battery condition directly affects runtime and performance.

What to do

Check for:

• Cracks or visible damage
• Overheating signs
• Moisture or corrosion

Replace damaged batteries immediately.

Clean battery contacts

Dirty battery terminals can interrupt power delivery.

What to do

• Remove the battery
• Wipe contacts with a dry cloth
• Ensure contacts are clean and dry before reinstalling

Store the battery correctly

Incorrect storage can shorten battery lifespan.

What to do

• Store in a cool, dry place
• Avoid direct sunlight and freezing temperatures
• Remove the battery during long-term storage

• Check fuel level and fuel quality
• Inspect for fuel leaks
• Check air intake for debris

• Check battery charge level
• Inspect battery connection points
• Ensure vents are clean

• Remove leaves, dirt and dust
• Clean air vents and housing
• Check for loose or damaged parts

Petrol-powered models

Before storage:

• Empty old fuel if needed
• Clean the blower thoroughly
• Inspect filters and spark plug
• Store in a dry location

Battery-powered models

Before storage:

• Remove the battery
• Store battery separately in a dry place
• Clean vents and contacts

How to store a leaf blower during the off-season