Honda Engines GX690

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Overview

Availability Brochure
MakeHonda Engines
ModelGX690

Product Features

Description

Raising the bar. On everything.



Honda V-twin engines offer high horsepower, great adaptability, quiet operation, and excellent 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
Fuel Efficient Operation
  • Fuel economy is similar to fuel injection, with the simplicity of carburetion.
  • Digital CDI ignition system with variable timing
  • 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
  • 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
  • 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
  • Dual cylindrical air filter
  • Large diameter air intake for superior cooling
  • 3-Year Limited Warranty
  • Oil Alert
  • 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
  • Variable ignition timing
Emissions Compliant
  • No catalyst necessary
Available Options
  • High capacity charging systems
  • A variety of control box configurations
  • Hour meter
  • Dry fuel versions
Specifications
  • Engine Type: Air-cooled 4-stroke OHV
  • Bore X 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: Unleaded 86 octane or higher
  • Dry Weight: 96.8 lb (44 kg)
Dimensions
  • Length (Min): 15.9" (405 mm)
  • Width (Min): 16.1" (410 mm)
  • Height (Min): 17.2" ( 438 mm)

Engine

Engine Type Air-cooled 4-stroke OHV
Bore x Stroke 78 X 72 mm
Displacement 688 cm3
Compression Ratio 9.3:1
Torque 35.6 lb-ft (48.3 Nm) @ 2,500 rpm
Starting System Electric

Dimensions

Length 15.9 in. (405 mm)
Width 16.1 in. (410 mm)
Height 17.2 in. ( 438 mm)
Weight 96.8 lb. (44 kg)

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