Lifan LF168F-2BRQ 6.5 HP 196cc 4-Stroke OHV Industrial Grade Gas Engine with 2:1 Centrifugal Wet Clutch Reduction, Recoil Start, and Universal Mounting Pattern Industrial grade OHV 4-stroke gasoline engine with .75" keyway shaft Compression release for E-Z starting - low oil shutdown engine protection General purpose engine with universal mounting plate: great for recreational vehicles, construction, farm, and ranch Reduces output shaft to 1800 rpm's and allows engine to idle with centrifugal clutch Replaces Honda, Briggs, Kohler, and other brands; EPA certified