Before installing the new filter, apply a small amount of fresh oil to the gasket on the top of the filter. Fresh oil lubricates the engine, reduces friction, removes heat, and carries away contaminants that build up during the cutting season.
How Often You Should Change Lawn Mower Oil for Optimal Performance
Wipe any residual oil from the plug and surrounding area to maintain a clean engine bay. Gather your supplies, which typically include the proper oil, a socket wrench set, an oil filter wrench (if equipped), a drain pan, and absorbent rags.
Insert a funnel to prevent spills and pour the recommended quantity of oil slowly. Screw the new filter onto the engine by hand, tightening it securely—usually about three-quarters of a turn past hand tight—to ensure a proper seal without damaging the threading.
How Often to Change Lawn Mower Oil for Optimal Performance
Always disconnect the spark plug wire to eliminate the risk of the engine starting while you are working. Use an oil filter wrench to loosen the old filter, being prepared for some oil spillage.
More About How to change oil in lawn mower
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