5.5HP 53cc twin Cylinder Gas Engine Ignition: DC-CDI(4.8V-8V)Fuel model number:93# or higher octane valueCooing:  Air cooledLubricate Oil: Two cycle oilMixing Ratio:  25-40:1Max output:5.5HPRpm range: 1900-9000 rpmsSpark plug: NGK CM-6Propeller:20x8,22x8,22x10(twi blade)Bore x Stroke 34mm x 29mmNet weight:1.2kg(includes ignition & muffler)

XYZ 53STS model airplane engine