Honda Horizontal Engine with Electric Start and Potentiometer Mode - HDA,GX390-QZNR
Honda GX390 QZNR Horizontal OHV Engine, Electric Start with 18-Amp Charging System, 389cc, 11.7 Net HP, 1" x 3-31/64" Keyed Shaft, Tapped 3/8-24UNF 2BTAP, Oil Alert, Regulator/Rectifier ECU Controlled Potentiometer Mode 2000 - 3600 RPM
Specifications
| Brand |
Honda |
| Model Number |
GX390UT2QZNR |
| Internal ID |
HDA-GX390-QZNR |
| 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" |
| End Tapped Size |
3/8-24UNF 2BTAP |
| 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 |
| Oil Capacity |
1.16 qt |
| Fuel Type |
Unleaded 86 Octane or Higher |
| Fuel Tank Capacity |
6.4 qt |
| Fuel Pump |
N/A |
| Governor System |
Centrifugal Mass |
| Lubrication System |
Splash |
| Bore x Stroke |
88mm x 64mm |
| Compression Ratio |
8.2 : 1 |
| Charging System |
18 Amp |
What Our Experts Think
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Powerful & Efficient: The Honda GX390-QZNR Horizontal Engine delivers robust power, ideal for heavy-duty applications with its electric start feature for convenience.
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Electric Start: The added electric start function simplifies operation, eliminating the need for manual pulls, saving time and effort during startup.
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Fuel Efficiency: Optimized for fuel savings, it provides extended run times with fewer refueling stops, helping to lower operational costs.
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Advanced Potentiometer Mode: Equipped with a potentiometer mode, this engine offers adjustable performance, allowing users to fine-tune power output for specific tasks.
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Smooth & Quiet Operation: Designed with noise-reduction technology, it ensures a quieter and smoother experience, reducing vibrations and improving user comfort.
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Durability & Longevity: Built to withstand tough conditions, the GX390-QZNR is engineered for durability, offering long-lasting reliability in challenging environments.
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Versatile Applications: Perfect for a wide range of machinery, from industrial equipment to commercial power tools, delivering consistent, efficient power for various demanding tasks.
Q&A
Q: What is the Honda Horizontal Engine with Electric Start and Potentiometer Mode - HDA, GX390-QZNR?
A: The Honda Horizontal Engine - HDA, GX390-QZNR is a powerful engine designed for demanding outdoor applications. It features an electric start for easy operation and a potentiometer mode for adjustable performance, making it ideal for equipment such as generators, large mowers, and pressure washers.
Q: What are the key features of the GX390-QZNR engine?
A: The GX390-QZNR engine offers Honda’s advanced OHV (Overhead Valve) technology, delivering superior fuel efficiency, low emissions, and smooth operation. The electric start system ensures effortless starting, while the potentiometer mode allows for performance adjustment based on load requirements.
Q: What are the benefits of using the GX390-QZNR engine?
A: The GX390-QZNR engine offers easy starting, improved fuel economy, and customizable power output through the potentiometer mode. Its durable construction ensures long-lasting reliability, making it ideal for heavy-duty, commercial-grade equipment.
Q: Is the GX390-QZNR engine easy to maintain?
A: Yes, the GX390-QZNR is designed for easy maintenance with accessible components for quick oil changes, air filter replacements, and routine servicing, helping to minimize downtime and keep the engine running smoothly.
Q: Can the GX390-QZNR engine be used for different outdoor equipment?
A: Yes! The GX390-QZNR engine is versatile and suitable for a range of heavy-duty outdoor equipment, including commercial generators, pressure washers, water pumps, and large lawnmowers, providing efficient and reliable power across various applications.
Maintenance Tips
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Oil Change: Change the engine oil every 100 hours or annually, whichever comes first.
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Air Filter: Clean or replace the air filter regularly to ensure proper airflow and efficient engine operation.
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Spark Plug: Inspect and replace the spark plug annually or if performance issues arise.
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Fuel System: Use fresh, clean fuel and drain the tank if the engine is stored for extended periods.
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Coolant: Regularly check coolant levels and replace if necessary to prevent engine overheating.
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Battery Maintenance: Keep the battery clean and charged to ensure proper electric start functionality.
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General Inspection: Regularly inspect the engine for leaks, clean debris, and check the potentiometer mode for optimal operation.
