Air Injection Technology: centrifugal air cleaning system expels larger dust and debris particles before they reach the air filter to help improve engine lifePowerful X-TORQ engine reduces emissions by up to 60% and increases fuel efficiency by up to 20%Air purge removes air from carburetor and fuel system for easy startingFlip up fuel cap Easy to open and secures firmly, even when wearing thick glovesLowVib Technology dampeners between the engine and chassis significantly reduce vibrations so you can work more comfortablSmart Start Technology specially-designed engine and starter for easy and fast starting with minimum effort