Generator Set 1,Factory price +stable perform 2,Power:1- 6KW 3,Engine:Air-cooled,4-stroke,OHV 4,Fuel:25L lasting ... 7 hour Specifications for 2.5KW Generator Set GeneratorModelAG2500CX(E) ... 100W)Insulation FPower Factor (COS)1EngineModel168F - 2Typeair-cooled, OHV engine , 4-stroke, single-cylinderDisplacement (CC)196ccEngine Speed (RPM)3000 ...