Honda GCV190-N5AP 187cc GCV190 Series OHC Vertical Shaft Engine with 7/8-Inch by 1-13/16-Inch Straight Shaft Fuel efficient, high output operation, compact and lightweight Quiet, smooth performance, proven reliability; Easy to use and maintain, easy starting Emissions compliant; CARB Compliant Compression ratio 8.5:1; Carburetor-horizontal type butterfly valve; Ignition system is transistorized magneto; Recoil starting system; Centrifugal mechanical governor system;. 0.98 U.S. quart (0.93- liter) fuel tank capacity Uses unleaded 86 octane or higher; Oil capacity 0.58 US quart (0.55-liter); Splash lubrication system; 27.6-pound dry weight(12-1/2 kg); Common applications of the GCV Series: pressure washers, lawn mowers, agricultural equipment, forestry equipment