COMPLETE 4-STROKE PETROL ENGINE WITH VERTICAL SHAFT BRIGGS and STRATTON 4165E FOR RIDE-ON MOWERS lawn mower COMPATIBLE WITH ALL FLANGES, INCLUDING HONDA AND KAWASAKI The engine can be applied to the following brands of gardening machines: FOR ALL BRANDS: STIGA CASTELGARDEN MTD ALPINA MOUNTFIELD HUSQVARNA PARTNER MURRAY JONSERED OLEOMAC EFCO SNAPPER VICTA YARD-KING YARD-MAN AGS AL-KO ARIENS AS MOTOR DEA CONCORD ETESIA VIKING WESTWOOD AYP IBEA JOHN DEERE NOMA SIMPLICITY TORO WALKER YAMAHA HONDA The engine is labeled 4165E but corresponds to an 18.5 HP of power, i.e. 500 CC with voltage regulator FEATURES: - SHAFT: 25.4 mm X 80 mm - ENGINE TYPE: 1 CYLINDER , 4 STROKE - MODEL: 31R6 - DISPLACEMENT: 500 CC - OIL CAPACITY: 1.4 LT - VALVE CONFIGURATION: ORIGINAL BRIGGS OHV and STRATTON 118562934/5