More in Outdoors
Before you begin, drain the gas tank and run the engine until it stops. Take out the drain plug, drain the oil completely into a drip pan and replace the plug securely. Then properly dispose of the old oil.
Using the putty knife, clean off the dirt and matted grass from the underside of the mower. Use a hose or pressure washer to finish the job.
Be sure to remove the sparkplug wire from the sparkplug before working on the blade. Hold the blade with a towel and remove the mounting nut with a socket wrench. You can either sharpen the blade yourself or have it professionally done. Replace the sharpened blade, adding a little lubricant to make it easier.
Turn the mower back upright and find the air filter compartment on the mower. The filter should be cleaned or replaced at least once a season to preserve the life of the engine.
Pull off the sparkplug wire and remove the plug with the long barrel of your socket wrench. Use a wire brush to clean off carbon deposits, or you can just replace it with a new sparkplug. Make sure you buy the right size for your mower.
Screw in the new plug and tighten with a wrench, being careful not to over tighten. Fill the oil compartment with 30-weight oil. Some engines require non-detergent oil, so consult your owner's manual before proceeding.
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