Although more expensive than conventional push mowers, a self-propelled model, especially one that offers more than one gear and a variable throttle, can make life easier. On most mowers, a lever at each wheel can be moved to any of six positions to adjust cutting height.
Low gear is good for mowing through tall, wet grass.
The throttle controls the speed of the blade and can be adjusted from slow to fast. An electric start switch is especially practical for folks who lack the strength to use a pull cord. It's grass-cutting season again, and you may be on the market for a new mower. We'll help you sort through the questions so that when you 're faced with a final choice, you'll make just the right one. A lawn mower is a relatively simple machine powered by a gasoline engine, which turns the blade, which cuts the grass.