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COMMON APPLICATIONS

  • Common applications include: pressure washers, commercial lawn and garden equipment, tillers/cultivators, generators, forestry equipment, construction/industrial equipment, agricultural equipment, small vehicles, and water pumps.

FUEL EFFICIENT, HIGH OUTPUT OPERATION

  • Digital CDI ignition system with variable timing
  • Increased compression ratio
  • Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficency
  • OHV design for increased efficiency and optimal power transfer

SMOOTH PERFORMANCE

  • Precision engineered components result in lower vibration
  • Ball bearing supported crankshaft for greater stability
  • Heavy duty balancer shaft
  • Improved piston design

EXCEPTIONALLY QUIET

  • Large capacity, multi-chamber exhaust system
  • Improved camshaft and muffler reduce overall engine noise by up to 5 dB
  • Reduced mechanical noise due to piston design
  • Forged steel crankshaft and rigid crankcase
  • Helical cut gears
  • Sophisticated air intake system

PROVEN RELIABILITY

  • Oil Alert
  • Cast iron cylinder sleeve
  • High quality materials, fit, and finish
  • Dual element air cleaner
  • Fuel Valve
  • 3-Year Limited Warranty

EASY TO USE AND MAINTAIN

  • Simple throttle control
  • Large fuel tanks
  • Large automotive type fuel cap
  • Dual oil drains and fill
  • Easy, convenient, heavy duty control box
  • Easily accessible spark plug

EASY STARTING

  • Heavy duty recoil starter
  • Automatic mechanical de-compression system
  • Variable ignition timing

EMISSIONS COMPLIANT

  • CARB and EPA certified
  • No catalyst necessary

AVAILABLE OPTIONS

  • Low profile versions
  • Gear reduction options
  • Spark arrester available
  • Charge and lamp coils with multiple output options available
  • Cyclone Air Cleaner available
]##

COMMON APPLICATIONS

  • Common applications include: pressure washers, commercial lawn and garden equipment, tillers/cultivators, generators, forestry equipment, construction/industrial equipment, agricultural equipment, small vehicles, and water pumps.

FUEL EFFICIENT, HIGH OUTPUT OPERATION

  • Digital CDI ignition system with variable timing
  • Increased compression ratio
  • Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficency
  • OHV design for increased efficiency and optimal power transfer

SMOOTH PERFORMANCE

  • Precision engineered components result in lower vibration
  • Ball bearing supported crankshaft for greater stability
  • Heavy duty balancer shaft
  • Improved piston design

EXCEPTIONALLY QUIET

  • Large capacity, multi-chamber exhaust system
  • Improved camshaft and muffler reduce overall engine noise by up to 5 dB
  • Reduced mechanical noise due to piston design
  • Forged steel crankshaft and rigid crankcase
  • Helical cut gears
  • Sophisticated air intake system

PROVEN RELIABILITY

  • Oil Alert
  • Cast iron cylinder sleeve
  • High quality materials, fit, and finish
  • Dual element air cleaner
  • Fuel Valve
  • 3-Year Limited Warranty

EASY TO USE AND MAINTAIN

  • Simple throttle control
  • Large fuel tanks
  • Large automotive type fuel cap
  • Dual oil drains and fill
  • Easy, convenient, heavy duty control box
  • Easily accessible spark plug

EASY STARTING

  • Heavy duty recoil starter
  • Automatic mechanical de-compression system
  • Variable ignition timing

EMISSIONS COMPLIANT

  • CARB and EPA certified
  • No catalyst necessary

AVAILABLE OPTIONS

  • Low profile versions
  • Gear reduction options
  • Spark arrester available
  • Charge and lamp coils with multiple output options available
  • Cyclone Air Cleaner available

Specifications

Brand
Honda
Crankshaft Diameter
1"
Crankshaft Length
3-1/2"
Engine Displacement
389cc
Engine Size
11.7hp
Engine Type
4-Stroke
Fuel Capacity
1.6 gallon
Item Type
Horizontal Engine
Oil Capacity
38.6 oz
Power Source
Gasoline
Starter Type
Recoil Start

More Specifications

Air CleanerDual Element
Bore X Stroke88 x 64 mm
CarburetorButterfly Float Type
ColorRed
Compression Ratio8.2:1
Crankshaft TypeThreaded Type(SAE)
Dimensions16.0" x 19.1" x 17.7"
Displacement389cc
Dry Weight69 lb(31.5 kg)
Engine TypeAir-cooled 4-stroke OHV
FuelUnleaded 86 octane or higher
Fuel Tank Capacity6.4 qt(6.1 l)
Governor SystemCentrifugal Mass Type
Ignition SystemDigital CDI with variable ignition timing
Lubrication SystemSplash
Model NameGX390UT2-PA2
Net Power Output*11.7 HP (8.7 kW) @ 3,600 rpm
Net Torque19.5 lb-ft (26.4 Nm) @ 2,500 rpm
Oil Capacity1.16 qt(1.1 l)
Pto Shaft RotationCounterclockwise
Starting SystemRecoil

Replaces

Honda 664590 GX390UT2-PA2 389cc Horizontal Engine (Red) replaces these previous part numbers:
Honda654540
{"Honda":["654540"]}

Product Questions

Customer Questions
Honda 664590 GX390UT2-PA2 389cc Horizontal Engine (Red) currently has 0 product question(s).

Reviews

Warning Cancer and Reproductive Harm www.P65Warnings.ca.gov

Honda 664590 GX390UT2-PA2 389cc Horizontal Engine (Red)

Honda 
GX390UT2-PA2
Price: $713.00

    This is a genuine Honda product. Sohars is an authorized Honda Power Equipment and Engines dealer.