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HONGX660RH-BXF

Honda 20.8 HP Gas Engine | B-Type 4.36″ x 1-7/16″ Key Crank Shaft | Electric Start

$2,014.00

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Honda 20.8 Net (continuous) HP Horizontal Engine 688cc (15.5 kW) @ 3,600 rpm | B – Type 4.37″ x 1 7/16″ Keyed Crank Shaft | Elect Start / Control Box

To Complete, A Muffler & Pulley Must Be Added.

Honda V-twin engines offer higher horsepower, improved adaptability, quiet operation, and greater fuel efficiency. Not to mention a 3 year warranty.

Common Applications

  • Pressure washers
  • Commercial lawn and garden equipment
  • Tillers / cultivators
  • Generators
  • Forestry equipment
  • Construction / industrial equipment
  • Agricultural equipment
  • Small vehicles
  • Water pumps

GX630 GX660
Engine Type Air-cooled 4-stroke OHV Air-cooled 4-stroke OHV
Bore x Stroke 78 X 72 mm 78 X 72 mm
Displacement 688 cm3 688 cm3
Net Power Output* 20.8 hp (15.5 kW) @ 3,600 rpm 21.5 hp (16.0 kW) @ 3,600 rpm
Net Torque 35.6 lbs ft (48.3 Nm) @ 2,500 rpm 35.6 lbs ft (48.3 Nm) @ 2,500 rpm
PTO Shaft Rotation Counterclockwise (from PTO shaft side) Counterclockwise (from PTO shaft side)
Compression Ratio 9.3:1 9.3:1
Lamp/Charge coil options 2.7A, 17A, 26A 2.7A, 17A, 26A
Carburetor Horizontal type, two barrel butterfly valve, internal vent Horizontal type, two barrel butterfly valve, internal vent
Ignition System Digital CDI with variable ignition timing Digital CDI with variable ignition timing
Starting System Electric Electric
Lubrication System Forced lubrication Forced lubrication
Governor System Mechanical Mechanical
Air Cleaner Dual element Dual element
Oil Capacity 2.1 US qt (2.0l) 2.0 US qt (1.9l)
Fuel Unleaded 86 octane or higher Unleaded 86 octane or higher
Dry Weight 96.8 lb (44 kg) 96.8 lb (44 kg)

 

GX630 GX660
Length (min) 15.9″ (405 mm) 15.9″ (405 mm)
Width (min) 16.1″ (410 mm) 16.1″ (410 mm)
Height (min) 17.2″ ( 438 mm) 17.2″ ( 438 mm)
Performance Curves

Fuel Efficient Operation

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

Smooth Performance

Smooth Performance

  • Integrated cylinder and head Learn More
  • Racing inspired forged steel connecting rods
Proven Reliability

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
Easy Starting

Easy Starting

  • Automatic mechanical de-compression system Learn More
  • Variable ignition timing
High Output Performance

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
Exceptionally Quiet

Exceptionally Quiet

  • High capacity 36 blade cooling fan
  • Aluminum push rods with steel tips – lighter weight, lower vibration, and quieter operation
Easy To Use & Maintain

Easy To Use & Maintain

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

Mufflers

HONV2MFLRHIR High Mount Muffler, RH Exit
HONMUF0497R Aluminized Muffler + Shield (Starter side) WRX (Must order with manifold)
HONMAN0510R Manifold, Aluminized (Starter side) WRX (Must order with muffler)

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Complete Pulleys
PU351716D 3.5 x 1-7/16 DG
PU401716D 4.0 x 1-7/16 DG
WFA150 4.2″ x 1-7/16″ DG
PU451716D 4.5 x 1-7/16 DG

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PRICE DOES NOT INCLUDE SETUP OR SHIPPING – PRICED FOB FACTORY

Weight 99 lbs