"Honda 160cc premium residential, horizontal shaft engine features overhead cam technology. The GC series are incredibly quiet and utilize the world's first internal timing belt. Honda has taken their technology one step further with the development of the GC Series, a line of rugged powerful and economical overhead cam engines designed specifically for home-use and recreational applications. Common applications generators. Air Cleaner Type Dry paper type, Compression Ratio 8.51, Dimensions L x W x H in. 13 5/16 x 14 1/2 x 13, Muffler Included Yes, Fuel Tank Capacity qt. 1.9, Shaft Rotation From PTO Shaft Side Counterclockwise, Start Type Recoil, Bore x Stroke in. 2.5 x 2.0, Fuel Tank Standard, Shaft Length in. 2 53/64, Oil Capacity qt. 0.61, Mounting Base L x W in. 6 3/8 x 2 15/16-3 5/32, Engine Type GC series OHC premium residential-duty, Bearing Type Ball, EPA/CARB Approval California Air Resource Board Yes, Low Oil Shutdown Yes, Crankshaft V type, Fuel Pump Yes, Ignition System Electronic, Throttle Control Manual, Carburetor Float, Application Generator, Shaft Diameter in. 3/4 tapered, Shaft Output Horizontal, Max. RPM 3,600, Cooling System Air cooled, Engine Displacement cc 160, Torque ft./lbs. 6.9 @ 2,500 RPM, Fuel Type Gasoline, Governor System Centrifugal mechanical, Bolt Circle in. 3 5/8, Cylinder Bore Aluminum alloy, Rated Power HP 4.6, Cylinders qty. 1, Lubrication System Forced splash, PTO Height in. 4 11/64. Compact and lightweight design 50-state compliant engine"