Tips for Tuning Up Power Equipment for Spring

Your lawn and garden machinery might not share your righteous appreciation of warm days and blue skies, though. Mowers, blowers and trimmers tend to be out of sorts when awoken from their winter slumber. A bit of TLC and end-of-winter maintenance will soon put them in fine form. A couple hours dedicated to tune-ups will also save you time, money and aggravation in the months ahead.

Even though winter hasn’t totally given way to tulips and leafy green trees yet, March weather is still better than the pipe-bursting, sky-high-heating-bill-inducing elements of January and February. After months of snow, slush and sub-zero temperatures, you’re no doubt ready for winter to go out like a lamb.


Lawnmower Tune-Up Tips

Start by cleaning dried and compacted grass from the underside of the mower deck. Soak caked-on grass with a hose, and then scrape it off with a screwdriver or putty knife. Wear gloves to avoid green-tinged hands.

Replace any belts that show signs of wear, or that are more than four years old.

Remove the blade (or blades) and sharpen it. Most small engine shops will sharpen blades for a very small fee. Sharper blades make for faster, more accurate jobs.

Check the air pressure in your tires. Inflate them to the specs shown in your mower’s manual.

Change the oil and filter. Oil flows more easily if you run the engine for a few minutes before draining.

Inspect the fuel filter — and the line running from the filter to the tank. It’s a good idea to replace them annually.

Clean the air filter by blowing it out with an air compressor. Replace the filter if it’s extremely dirty (or black).

Replace the spark plugs.

Hire specialist to check the cooling and heating equipment.

Test your mower’s battery. A few hours on a charger might return it to full power.

Flush old gasoline from the tank. Replace it with fresh fuel and add fuel stabilizer.

If your mower lacks an electric starter, inspect the starter cord and tensioning spring.

Tuning up Two-Stroke Engines

The basics of lawnmower engine maintenance also apply to other lawn contraptions like leaf blowers, trimmers and weed whackers. For these machines, you should also change filters and plugs, inspect lines, check batteries and perform a thorough inspection — but there is one crucial difference. Most of these devices are powered by two-stroke engines (as opposed to the four-stroke engines found in mowers).

Two-stroke engines typically require an oil and gasoline mixture. Keeping this in mind, empty and refill the tank according to manufacturer’s specs. Remember, different types of machines have different needs.

Tuning up Leaf Blowers

  • Make sure the throttle trigger, throttle lock and stop switch are working as intended.
  • Look over the collection bag on a leaf blower. It should be free of rips and holes, and the zipper should be functional.
  • Clean the fan blades on the flywheel.
  • Inspect the engine housing, making certain it’s free of cracks.

Tuning up Trimmers

  • Make sure the throttle trigger, throttle lock and stop switch are working as intended.
  • Inspect the blade and blade guard. The blade must be centered and should be sharpened. Off-center blades cause vibrations that can damage the machine, which can possibly lead to injury. Replace a cracked blade or blade guard.
  • Check for worn areas on the clutch, clutch spring and clutch drum.

This article was written by Ron Marr for The Workbench Life and used by permission. Ron Marr is a long-time woodworker and luthier whose work can be seen at He is also a frequent contributor to The Workbench Life.

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