Husqvarna 21" mulching push lawn mower for sale. This mower has a powerful 163cc Briggs & Stratton AutoChoke engine that starts simply by pulling the cord (no priming or choke settings are necessary). This mower can mulch grass with its heavy-duty mulching blade, or be used with the included grass bag. This mower has been fully tuned-up and is in great condition, and starts on the first pull. This mower is meant for small to regular sized lawns. I am a small engine mechanic and have fully serviced this mower: -new spark plug -new air filter -new engine oil -carburetor has been disassembled and serviced -mulching blade has been sharpened and oiled -has been inspected and power-washed