Single cylinder, forced air cooling,4-stroke gasoline engine Model: GX420 16hp Displacement: 420 (cc) Bore Ã? Stroke: 90mm Ã? 66mm Rated Power Output: 11.0HP (8.1) KW / 3600rpm Max. Power Output : 15.0HP (11.8) KW / 3600rpm Torque (N.M): 26 / 2500 Compression Ratio: 8.3 : 1 Fuel Tank Capacity: 6.5 (L) Engine Oil Capacity: 1.1 (L) Engine Type: Forced Air-Cooled, 4 Stroke, Single Cylinder Ignition System: Transistor Magneto Starting System: Recoil Start N.W. / G.W. (KG): 32 / 34 Dimension (LÃ?WÃ?H): 490 Ã? 430 Ã? 510 20FT (set): 236