If properly maintained, a lawn mower can provide years ofservice and keep a lawn looking beautiful. Compared to lawn careequipment of only a generation ago, today’s lawn mowers are easierto operate and more user friendly than ever.Nevertheless, many home owners either forget or postpone regularpreventative maintenance and, in the best case scenario, don’t getthe professional looking lawn they seek. Or, in the worst case,find themselves looking at costly repairs or even replacing themower long before its lifespan should have ended.Whether the lawn mower is the riding variety or a walk-behind,the most important preventative maintenance chore is keeping theoil fresh and filled to the recommended level. In fact, checkingthe oil in a mower before each use is possibly more important thanchecking