... engine 2)2.5HP power output 3)Single-cylinder,Over head valve,four-stroke,air-cooled 4)GS,ISO and ... CE Portable engine with 2.5 HP small power can ... consumption≤450g/kW.hIgnition systemtransistor magnetoStarting systemrecoil startEngine typessingle-cylinder,Over head valve,four-stroke,air-cooledNet/gross weight9/10kgDimensions300 x ...