... 800 watt for stable voltage, Air-cooled, single cylinder.high efficient gasoline engine.===================================================================================== AlternatorMODELYG650/YG600YG950/YG900YG1000TypeBrushless ... 5006007208808801100EngineVoltage110,120,220,230, 240Type2-Stroke, Reed valve forced, Air-cooled,Single cylinderFuel(Recommended)Unleaded GasolineLubricating systemPre ...