The Honda 118cc GX120 Series horizontal engine produces 4.2-pound-Feet (5.7 Nm) at 3,600 rpm net torque. Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficiency. Overhead valve design increases efficiency and optimal power transfer. The Honda engine is exceptionally quiet with a large capacity, multi-chamber exhaust system and light weight, noise reducing materials that reduce mechanical noise. The crankshaft and rigid crankcase are forged steel. This engine features helical cut gears and a sophisticated air intake system. Honda engines have proven reliability offering features like oil alert, cast iron cylinder sleeve, dual element air cleaner and fuel valve. They are easy to use and maintain. This unit has a simple throttle control, large fuel tanks, large automotive type fuel cap, dual oil drains and fill, and easily accessible spark plug. Easy starting every time with heavy duty recoil starter and automatic mechanical decompression system. GX120 Series is emissions compliant, CARB and EPA certified. Engine Type: Air-cooled 4-stroke OHV. 60 by 42 mm bore and stroke. 118 cm3 displacement. Net Power Output: 3.5 HP (2.6 kW) at 3,600 rpm. Net Torque: 5.4-pound-Feet (7.3 Nm) at 2,500 rpm. PTO Shaft Rotation is counterclockwise (from PTO shaft side). Compression Ratio: 8.5:1. Lamp/Charge coil options: 25W, 50W. Float type carburetor. Transistorized magneto ignition system. Recoil starting system. Splash lubrication system. Centrifugal mechanical governor system. Dual element, semi-dry, oil bath, cyclone air cleaner. Oil Capacity: 0.63 US quart (0.6l). Fuel Tank Capacity: 2.1 US quarts (2.0 liters). Fuel: Unleaded 86 octane or higher. Dry Weight: 28.7 to 39.7-pound (13 to 18 kg). Common applications: Commercial lawn and garden equipment, tillers / cultivators, generators, construction / industrial equipment, agricultural equipment and water pumps.