"The Honda 163cc GX Series OHV commercial-grade engine is designed for the most demanding commercial applications. It has set an industry standard for reliability and durability. Overhead Valve design offers cooler, fuel-efficient operation and cast iron cylinder sleeve provides longer service life. The GX is reliable, easy starting and quiet running. Meets EPA and CARB emission levels standards. This legendary engine has earned the reputation as the preferred engine for construction equipment. Common applications include pressure washers, compressors, go-karts, log splitters and chipper/shredders. Auto Compression Release Yes, Bolt Circle in. 3 5/8, Bore x Stroke in. 2.7 x 1.8, Carburetor Float, inner vent, Air Cleaner Type Cyclone, Application Pressure washer, compressor, log splitter, chipper/shredder, Cooling System Air cooled, Crankshaft Q-type, Cylinder Bore Cast iron, Cylinders qty. 1, Choke Control Manual, EPA/CARB Approval California Air Resource Board Yes, Fuel Filter Fuel tank filler neck strainer, Dimensions L x W x H in. 12 x 13 3/8 x 12 1/2, Governor System Centrifugal mechanical, Ignition System Electronic, Low Oil Shutdown Yes, Lubrication System Forced splash, Fuel Tank Capacity qt. 3.3, Fuel Type Gasoline, Muffler Included Yes, silent type, spark arrester, deflector, PTO Height in. 4 11/64, Rated Power HP 4.8, Max. RPM 3,600, Mounting Base L x W in. 6 3/8 x 3 5/32 to 3 11/32, Shaft Keyway in. 1/4, Shaft Length in. 2 7/16, Shaft Output Horizontal, Shaft Rotation From PTO Shaft Side Counterclockwise, Shaft Diameter in. 3/4, Shaft End Tapped Diameter in./Threads per inch 5/16-24, Torque ft./lbs. 7.60 at 2,500 RPM, Start Type Recoil, Throttle Control Remote cable, Fuel Tank Standard White, Engine Displacement cc 163, Engine Type GX series OHV commercial-duty, Oil Capacity qt. 0.59, Compression Ratio 91. Honda 163cc GX OHV air-cooled, 4-stroke, horizontal engine Automatic decompression for easy starting Heavy-duty ball bearing supported crankshaft Double walled heavy-duty tank with in tank fuel strainer 50-state compliant engine"