Specifications: Engine Model: GE168F Type: forced air-cooling, four stroke, over head valve, single cylinder, Horizontal Shaft Displacement: 163cc Bore?stroke: 63mm?45mm Compression Ratio: 8.0:1 Max Power Output: 5.5HP/1.84 Recommended Power: 3.5kw/3600 Max torque: 1.1kg.m/2500 Ignition system: TCI Fuel consumption: Approximate 395g/kw.h Oil capacity: 0.6L Air Cleaner element: Semi-dry oil soaking Starting system: Recoil starting Generator Rated power output: 1.9kw Max power output: 2.1kw Phase: 1 Rated Voltage: 220V or 110 Frequency: 50Hz Voltage adjustment: automatic Excitation mode: harmonic excitation with brush Oil alert: Yes Circuit breaker: Yes AVR/Automatic voltage regulator: Yes DC output: No Power factor: 1.0 Fuel tank: 15L 3. Dimension L?W?H: 590?430?435 (mm) Net weight: 40kg