To avoid rust, a regular oiling of the rotary must be considered
. Don't be surprised if you will run out of fuel fast. If the rotary lawnmower is cutting long, old, yellowish grass, it will exert more effort hence, more fuel will be released too. So to save energy, cut your grass regularly. If you are into gardening, buying a rotary lawnmower is a good investment. List this down in your priority gardening tools.