"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. Cylinders qty. 2, Engine Type GX series OHV V-Twin commercial-duty, Choke Control Manual, Mounting Base L x W in. 7 11/16 x 3 25/64 to 4 21/32, Shaft Output Horizontal, 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, Cylinder Bore Integrated, Air Cleaner Type Dual element/Cylindrical, Application Concrete saw, pressure washer, chipper/shredder, trencher, vibratory roller, ride-on cement trowel, Bolt Circle in. 5, 6 1/2, 7 3/4, Start Type Electric, shift type, Charging System Amps 3, Shaft Keyway in. 1/4, Key size 6.3mm x 50mm, Shaft Diameter in. 1, Compression Ratio 9.31, Engine Displacement cc 688, EPA/CARB Approval California Air Resource Board Yes, Throttle Control Manual, Lubrication System Full pressure, Muffler Included Not included, Max. RPM 3,600, Oil Capacity qt. 2, Fuel Tank Not included, 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, Shaft Rotation From PTO Shaft Side Counterclockwise, Fuel Type Gasoline, Shaft End Tapped Diameter in./Threads per inch 3/8-24, UNF2B, Rated Power HP 20.3, Low Oil Alert Yes, Cooling System Air cooled, Flywheel Brake No. V-keyswitch 688cc air-cooled, 4-stroke OHV engine 50-state compliant engine"
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