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Honda Horizontal Engine with Electric Start - HDA,GX390-QNR2

Honda Horizontal Engine with Electric Start - HDA,GX390-QNR2

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Honda Horizontal Engine with Electric Start - HDA,GX390-QNR2

Honda GX390 QNR2 Horizontal OHV Engine, 389cc, 11.7 Net HP, 1" x 3-31/64" Keyed Shaft, Tapped 3/8-24UNF 2BTAP, Oil Alert, Electric Start with 18-Amp Charging System, Ignition Panel and Switch, Model GX390UT2QNR2

Specifications
Brand Honda
Model Number GX390UT2QNR2
Internal ID HDA-GX390-QNR2
Replaces Models GX390K1-QNR2, GX390 K1-QNR2, GX390QNR2, GX390UT2-QNR2, GX390UT1QNR2, GX390UT2QNR2, GX390QNR2, GX390 QNR2
Warranty 3 Year Residential
Available to California Not Available to Ship to California
Weight 88.0 lb
Power Output 11.7 HP @ 3600 RPM
Torque 19.5 lb-ft (26.5 Nm) @ 2500 RPM
Crankshaft Orientation Horizontal
Crankshaft Type Straight
Crankshaft Diameter 1"
Crankshaft Length 3-31/64"
Crankshaft Dimensions 1" x 3-31/64"
Crankshaft End Tapped Size 3/8-24UNF 2BTAP
Crankshaft Keyway 1/4"
Crankshaft Rotation Direction Counter-Clockwise
Starter Type Electric & Recoil
Ignition System Digital CDI with Variable Ignition Timing
Carburetor Butterfly Float
Number of Cylinders One
Cylinder Bore Cast Iron Sleeve
Air Cleaner Dual Element
Oil Capacity 1.16 qt
Low Oil Alert Yes
Fuel Type Unleaded 86 Octane or Higher
Fuel Tank Capacity 6.4 qt
Fuel Pump N/A
Governor System Centrifugal Mass
Lubrication System Splash
Controls Manual Choke & Throttle
Bore x Stroke 88mm x 64mm
Compression Ratio 8.2 : 1
Charging System 18 Amp
Muffler Silent, Deflector
What Our Experts Think
  • Powerful & Efficient: The Honda GX390-QNR2 Horizontal Engine delivers reliable and powerful performance, making it ideal for heavy-duty tasks and high-demand applications.
  • Electric Start Convenience: With the electric start feature, it simplifies operation by eliminating the need for manual pulling, allowing for quick and easy startup every time.
  • Fuel Efficiency: Designed for fuel optimization, this engine runs longer on less fuel, reducing operating costs and increasing overall efficiency.
  • Smooth & Quiet Operation: The GX390-QNR2 operates quietly with minimal vibration, providing a smooth user experience and reducing wear on both the engine and the equipment.
  • Built for Durability: With Honda’s renowned engineering, this engine is constructed for durability, capable of handling harsh conditions and ensuring long-lasting, dependable performance.
  • Versatile Applications: Ideal for various applications, from commercial generators and industrial equipment to pumps and other heavy-duty machinery, offering reliable power across a wide range of uses.
Q&A

Q: What is the Honda Horizontal Engine with Electric Start - HDA, GX390-QNR2?
A: The Honda Horizontal Engine - HDA, GX390-QNR2 is a robust and high-performance engine designed for demanding outdoor applications. It features an electric start for effortless ignition, making it ideal for large-scale equipment such as generators, water pumps, and pressure washers.

Q: What are the key features of the GX390-QNR2 engine?
A: The GX390-QNR2 engine is equipped with Honda's advanced OHV (Overhead Valve) design, offering superior fuel efficiency, reduced emissions, and smooth operation. It includes an electric start for easy operation and provides high torque for demanding tasks.

Q: What are the benefits of using the GX390-QNR2 engine?
A: The GX390-QNR2 engine delivers excellent power output, exceptional fuel efficiency, and minimal maintenance requirements. Its electric start system ensures convenience, while its durable build provides long-lasting reliability in commercial and industrial applications.

Q: Is the GX390-QNR2 engine easy to maintain?
A: Yes, the GX390-QNR2 is designed with easy maintenance in mind. Accessible components make routine tasks like oil changes, air filter replacements, and general servicing quick and simple, minimizing downtime.

Q: Can the GX390-QNR2 engine be used for different outdoor equipment?
A: Yes! The GX390-QNR2 engine is versatile and perfect for a wide range of heavy-duty outdoor equipment, including generators, pumps, pressure washers, and other machinery that require reliable, high-performance power.

Maintenance Tips
  • Oil Change: Change the engine oil every 100 hours or annually, whichever comes first.
  • Air Filter: Clean or replace the air filter regularly to ensure proper engine airflow and efficiency.
  • Spark Plug: Inspect and replace the spark plug annually or when performance issues arise.
  • Fuel System: Use fresh, clean fuel and drain the fuel tank if the engine will not be used for extended periods.
  • Battery Maintenance: Keep the battery clean, charged, and inspect for corrosion to ensure reliable electric start functionality.
  • Coolant: Check and maintain proper coolant levels to prevent overheating and ensure smooth operation.
  • General Inspection: Regularly inspect for leaks, clean around the engine, and check for any loose components.