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Small Engines

The heart of outdoor power equipment, learn from our experts important small engine maintenance and repair projects to keep your machinery performing to its potential.

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How to Test a Spark Plug to See If It’s Working

Every small gasoline engine has a spark plug, and this key component requires periodic inspection and testing. Learn how to do it here.

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How to Clean a Small-Engine Spark Plug

All small engines have a spark plug, and cleaning spark plugs from time to time helps keep your equipment running...

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How to Winterize a 2-stroke Outboard Motor

Get your boat motor ready for winter storage.

How to Repair Small Engines: Cleaning the Carburetor

Don't Google "small engine repair near me" the next time your lawnmower sputters. Learn how to do it yourself. Small...

How to Replace Spark Plugs in Your Car

Save big on car maintenance costs by changing spark plugs yourself!

What You Need to Know to Adjust a Spark Plug Gap

Be sure to set and adjust the spark plug gap for your particular engine!

Replace Bad Spark Plug Wires Before They Wear Out

Change the wires now to prevent big problems later

Iridium Spark Plugs for Small Engines

Get faster, more reliable starts

Small Engine Start Up Tips

Give your starter-cord arm a rest while you run these basic diagnostic tests

How to Tune Up a Lawn Mower

Keep your mower running smoothly and efficiently.

How to Test an Ignition Coil

Test the ignition coil quickly and easily with a simple ignition system tester

Stale Gas Could Be Killing Your Small Engine

Small-engine mechanics tell us that stale gas is what keeps them employed and busy.