Honda HRX21K6VKA 21" Self-Propelled Lawn Mower is an easy-starting, fuel efficient, and powerful, Honda’s premium residential GCV200 engine delivers even more power and torque than its predecessor. Superior mowing performance, and easier and faster cutting, even in heavy, thick grass. Increased power also means increased durability, providing years of reliable service. Easily adjust the mower’s speed to your stride by rotating the speed adjust dial.