Honda GX390 QZNR Horizontal Engine

Honda GX390 QZNR Horizontal Engine
The Honda GX390 QZNR is a robust and reliable 4-stroke, air-cooled horizontal-shaft engine designed for a wide range of commercial and industrial applications. It is widely used in heavy-duty machinery like generators, pressure washers, water pumps, and construction equipment.
Engine Description
Engine Model: Honda GX390 QZNR
Type: 4-stroke, single-cylinder, overhead valve (OHV), air-cooled
Displacement: 389cc
Bore x Stroke: 88mm x 64mm
Compression Ratio: 8.0:1
Ignition System: Transistorized ignition (TCI)
Fuel System: Single-choke, diaphragm-type carburetor
Lubrication System: Splash lubrication with oil filter
Cooling System: Air-cooled
Performance Specifications
Maximum Output: 11.7 HP (8.7 kW) @ 3,600 RPM
Maximum Torque: 25.4 Nm @ 2,500 RPM
Fuel Consumption: Approx. 2.2 L/h (at 3,600 RPM)
Fuel Tank Capacity: 6.1 liters
Oil Capacity: 1.1 liters
Recommended Fuel: Unleaded gasoline
Starting System
Electric Starter: Equipped with an electric start system for easy starting
Recoil Starter: Backup recoil starter included for manual starting if needed
Shaft and Mounting
Shaft Type: Horizontal shaft with keyway
Shaft Diameter: 1 inch (25.4 mm)
Shaft Length: 3.5 inches (88.9 mm)
Keyway: Yes, for secure attachment of machinery
Dimensions and Weight
Dimensions (L x W x H): 442mm x 412mm x 472mm
Dry Weight: 33.5 kg (73.8 lbs)