"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. Bore x Stroke in. 2.5 x 2.0, Mounting Base L x W in. 6 3/8 x 2 15/16-3 5/32, Engine Type GC series OHC premium residential-duty, Ignition System Electronic, Throttle Control Manual, Max. RPM 3,600, 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 Type Gasoline, Governor System Centrifugal mechanical, Crankshaft V type, Fuel Pump Yes, Application Generator, Shaft Diameter in. 3/4 tapered, Bolt Circle in. 3 5/8, Cylinder Bore Aluminum alloy, Rated Power HP 4.6, Fuel Tank Capacity qt. 1.9, Shaft Rotation From PTO Shaft Side Counterclockwise, Start Type Recoil, Fuel Tank Standard, Shaft Length in. 2 53/64, Oil Capacity qt. 0.61, Cooling System Air cooled, Engine Displacement cc 160, Torque ft./lbs. 6.9 @ 2,500 RPM, Cylinders qty. 1, Lubrication System Forced splash, PTO Height in. 4 11/64, Carburetor Float, Shaft Output Horizontal, Bearing Type Ball, EPA/CARB Approval California Air Resource Board Yes, Low Oil Shutdown Yes. Compact and lightweight design 50-state compliant engine"