"With experience born on the raceways and roadways and a dedication to innovation, there's plenty of reasons to insist on the new Honda GX630 V-Twin engine. There's superior engine design, with a 90 configuration that reduces vibration and allows a compact footprint. There's superior construction, with a forged steel crankshaft and an integrated cylinder head. Fewer parts means better durability. There's a digital CDI ignition coil that ensures improved fuel economy and lowered emissions. There's even improved air cleaning, meaning that you can wait 5 times longer between filter changes. Honda even gives their engines a 3-year limited warranty. Engine Type GX series OHV V-Twin commercial-duty, Cylinders qty. 2, Mounting Base L x W in. 7 11/16 x 3 25/64 to 4 21/32, Shaft Output Horizontal, Charging System Amps 3, Start Type Electric, shift type, Choke Control Manual, Bolt Circle in. 5, 6 1/2, 7 3/4, Application Concrete saw, pressure washer, chipper/shredder, trencher, vibratory roller, ride-on cement trowel, Cylinder Bore Integrated, Air Cleaner Type Dual element/Cylindrical, Lubrication System Full pressure, EPA/CARB Approval California Air Resource Board Yes, Throttle Control Manual, Governor System Mechanical, Fuel Pump Boost type, Dimensions L x W x H in. 15 7/8 x 16 1/8 x 17 3/16, Muffler Included Not included, Shaft Diameter in. 1, Shaft Keyway in. 1/4, Key size 6.3mm x 50mm, Compression Ratio 9.31, Engine Displacement cc 688, Torque ft./lbs. 35.2, Shaft Length in. 2 29/32, PTO Height in. 5 1/4, Bore x Stroke in. 3.1 x 2.8, Carburetor 2-barrel, fuel cut solenoid, inner vent, Crankshaft Q-type, Ignition System Electonic, Digital CDI w/variable ignition timing, Rated Power HP 20.3, Low Oil Alert Yes, Cooling System Air cooled, Flywheel Brake No, Max. RPM 3,600, Oil Capacity qt. 2, Fuel Tank Not included, Shaft End Tapped Diameter in./Threads per inch 3/8-24, UNF2B, Fuel Type Gasoline, Shaft Rotation From PTO Shaft Side Counterclockwise. V-keyswitch 688cc air-cooled, 4-stroke OHV engine 50-state compliant engine"
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