"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. Charging System Amps 20, Cooling System Air cooled, Bolt Circle in. 5, 6 1/2, 7 3/4, Bore x Stroke in. 3.1 x 2.8, Torque ft./lbs. 35.2, Application Concrete saw, pressure washer, chipper/shredder, trencher, vibratory roller, ride-on cement trowel, Air Cleaner Type Dual element/Cylindrical, Rated Power HP 20.3, Muffler Included Not included, Lubrication System Full pressure, Fuel Type Gasoline, Flywheel Brake No, Start Type Electric, shift type, Governor System Mechanical, Choke Control Manual, Shaft Length in. 2 29/32, Shaft Rotation From PTO Shaft Side Counterclockwise, Max. RPM 3,600, Shaft Keyway in. 1/4, Key size 6.3mm x 50mm, Throttle Control Manual, Mounting Base L x W in. 7 11/16 x 3 25/64 to 4 21/32, Oil Capacity qt. 2, Shaft End Tapped Diameter in./Threads per inch 3/8-24, UNF2B, Engine Displacement cc 688, Crankshaft Q-type, Fuel Pump Boost type, EPA/CARB Approval California Air Resource Board Yes, PTO Height in. 5 1/4, Fuel Tank Not included, Cylinder Bore Integrated, Cylinders qty. 2, Carburetor 2-barrel, fuel cut solenoid, inner vent, Shaft Diameter in. 1, Shaft Output Horizontal, Dimensions L x W x H in. 15 7/8 x 16 1/8 x 17 3/16, Compression Ratio 9.31, Low Oil Alert No, Ignition System Electonic, Digital CDI w/variable ignition timing, Engine Type GX series OHV V-Twin commercial-duty. Keyswitch 688cc air-cooled, 4-stroke OHV engine 50-state compliant engine"
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