GX630

Raising the bar on everything! GX630 Honda V-twin engines offer higher horsepower, improved adaptability, quiet operation and greater fuel efficiency.

Download Specifications

FUEL EFFICIENT OPERATION
• Fuel economy is similar to fuel injection, with the simplicity of carburetion.
• Digital CDI ignition system with variable timing Learn More
• Includes a rev limiter to protect against damage from over-revving.
• Two barrel inner-vent carburetor for more precise fuel metering
• Insert style rod bearings

HIGH OUTPUT PERFORMANCE
• Hemispherical combustion chamber delivers rapid combustion Learn More
• 9.3:1 compression ratio generates high power output without the need for premium fuel
• Forged steel crankshaft
• Pressure fed crankshaft bearings

SMOOTH PERFORMANCE
• Integrated cylinder and head Learn More
• Racing inspired forged steel connecting rods

EXCEPTIONALLY QUIET
• High capacity 36 blade cooling fan
• Aluminum push rods with steel tips – lighter weight, lower vibration, and quieter operation

PROVEN RELIABILITY
• High capacity pump facilitates consistent oil delivery Learn More
• Dual cylindrical air filter
• Large diameter air intake for superior cooling
• 3-Year Limited Warranty
• Oil Alert Learn More
• Includes a rev limiter to protect against damage from over-speeding.
• Insert style rod bearings

EASY TO USE AND MAINTAIN
• Hour meter available
• Conveniently located controls, with several configurations available based on user preference
• Automotive-type spin-on oil filter

EASY STARTING
• Automatic mechanical de-compression system Learn More
• Variable ignition timing

Model GX630
Engine Type Air-cooled 4-stroke OHV
Bore & Stroke 78 X 72 mm
Displacement 688 cm3
Net Power Output* 20.8 hp (15.5 kW) @ 3,600 rpm
Net Torque 35.6 lb-ft (48.3 Nm) @ 2,500 rpm
PTO Shaft Rotation Counterclockwise (from PTO shaft side)
Compression Ratio 9.3:1
Lamp/Charge coil options 2.7A, 17A, 26A
Carburetor Horizontal type, two barrel butterfly valve, internal vent
Ignition System Digital CDI with variable ignition timing
Starting System Electric
Lubrication System Forced lubrication
Governor System Mechanical
Air Cleaner Dual element
Oil Capacity 2.1 US qt (2.0l)
Fuel Tank Capacity 6.4 U.S. qts (6.1 liters)
Fuel Unleaded 86 octane or higher
Dry Weight 96.8 lb (44 kg)

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