General Purpose Engine

Engine - GX390T2 QBD

With the GX390T2 QBD, you’re looking at one of the best engines in the business. More power. Quieter performance. Lower fuel consumption. Lower emissions. Better features. Exceptional performance. Honda’s GX series lives up to the legend, and then some.

- Honda OHV commercial grade engine
- 1.3 kW (15.2HP)  / 4000 rpm and 389 cm³ Displacement
- Fuel efficiency
- 1 year warranty

Common Applications :

  • Long tail Boat Engine


Engine Type Air cooled, 4-stroke, OHV , 25° inclined, single cylinder, horizontal shaft
Displacement 389 cm³
Bore x stroke 88.0 x 64.0 mm
Compression Ratio 8.2 : 1
Gross power (SAE J1995) -
Net power (SAE J1349)* 11.3 kW (15.2HP) / 4000 rpm
Max. Net Torque (SAE J1349)* 28.5 N.m / 3000 rpm
Fuel Tank Capacity 6.1 Liters Gasoline Oktan 86 or higher
Ignition System CDI type magneto
Spark plug BPR6ES, (NGK) W20EPR-U (DENSO)
Starting System Recoil Starter
Air Cleaner Grid Type
Oil Capacity 1.1 Liters SAE 10W-30 (API SE or Later)
Low RPM of Engine Ass 1500+/-100 (rpm)
High RPM of Engine Ass 3900+/-100 (rpm)
Dimensions (L x W x H) 405x470x437
Weight (kg) 29.1 kg

Data Specifications are subject to change at any time without prior notice

* The power rating of the engine indicated in this document is the net power output tested on a production engine for the engine model and measured in accordance with SAE J1349 at 4,500, 4,000 or 3,600 rpm (Engine Net Power) and at 3,000 or 2,500 rpm (Engine Max. Net Torque).
Mass production engines may vary from this value . Actual power output for the engine to be mounted on the manufacture of the final machine will vary depending on many factors , including the operating speed of the engine in application , environmental conditions , maintenance and other variables .

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