Performance and value in one unbeatable package. You’ll love the smooth handling of the lightweight, yet powerful EX Series lawn mower engines. Equipped with the ReadyStart Starting System-no prime, no choke, just pull for power, a best-in-class torque-to-weight ratio, reduced vibration and quieter operation, all while increasing comfort and extending engine life. The EX Series Engines are a great solution to your lawn care challenges.