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Honda GX390 Gas Engine Recoil start 1" straight side shaft GX390UT2-QA2 GX390-QA2

Price: $927.95
Sale Price: $696.00
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69.00 LBS

Prop. 65 Warning: This product contains chemicals known to the state of California to cause cancer and birth defects, or other reproductive harm.





Honda GX390UT2-QA2 GX390-QA2 Gas Engine Recoil Pull Start

With 1" Diameter, 1/4" Keyway Shaft


* Check out our Rhino 13HP engine. It's an excellent replacement for a Honda GX390 and in-stock now! 13hp Rhino Engine (Click here to check it out!)

The Honda GX390UT2-QA2 is the go-to engine for go karts, log splitters, pressure washers, and various industrial and commercial uses. These premium residential motors are fuel efficient, easy starting and smooth performance. This convenient, heavy duty and reliable 4-stroke engine does the job for many applications. Offering a 3-year limited warranty with this heavy duty and stable engine. Your order ships quickly with expert turnaround time in our fully stocked warehouse. Packaged with care, Carroll Stream Motor Company provides free shipping.

This Honda engine is a 4-stroke OHC single cylinder, which is a 88 X 64 stroke. It is a 389cc, 11.7 HP and 3600 RPM. The Honda GX390UT2 are a recoil start. Use as a replacement for model Honda GX390UT2-QA2 or GX390UT2QA2.

This Honda small motor is built with quality components and is ready to outlast the competition. Purchase now to take advantage of our free shipping and quick turnaround time. Or, call if you have questions! 888-208-2088, 248-628-4638.

* No Sales to California.

More on the Honda GX390UT2-QA2

The GX390UT2-QA2 is a 4-stroke, single-cylinder, air-cooled engine, offering efficient and dependable performance. With a displacement of 389cc, providing ample power for various tasks. Generating 11.7 HP horsepower (hp). Honda engines are built to last, with high-quality materials and rigorous testing ensuring long-term reliability even in harsh working conditions.

The GX390 engine is designed to minimize noise and vibration, providing a more comfortable working environment for operators. Designed for easy maintenance, with accessible components and straightforward servicing procedures, reducing downtime and maintenance costs.

Honda has a reputation for producing engines that are highly reliable and dependable, minimizing the risk of unexpected breakdowns and ensuring continuous operation. Overall, the GX390UT2-QA2 model, offers exceptional performance, reliability, and durability, making it a popular choice for a wide range of applications where power and dependability are paramount.

Make Honda
Model GX 390
Type Small Engine
Fuel Gas Unleaded 86 Octane or Higher
Engine Type 4 Stroke OHV Single Cylinder
Bore/Stroke 88 X 64
Displacement 389 cc
Compression Ratio 8.2:1
Max Power 11.7 HP @ 3600 RPM
Max Torque 19.5 ft. lbs. @ 2500 RPM
Ignition Type Digital CDI with Variable Timing
Dimensions (L x W x H) 16 x 19.75 x 18 in.
Starting Type Recoil Pull Start
Fuel Tank Capacity 1.6 Gal.
Oil Capacity 1.16 Qt
Dry Engine Weight 69 lbs.
Shaft Type Keyed - Straight
Shaft Diameter 1" Diameter, 1/4" Keyway
Shaft Length 3-7/8" Total, 2-7/8" Usable
Shaft I.D. Thread Size 3/8"-24 Drilled and Tapped
Bolt Pattern 4 Bolt
Oil System Splash, Oil Alert
Reduction Type None
Engine Cooling Type Forced Air Cooling
PTO shaft Rotation Counterclockwise (from PTO shaft side
Governor System Centrifugal Mass Type
Air cleaner Dual Element
3-Year Limited Warranty
Fuel Efficient, High Output Operation
Heavy Duty Recoil Pull Start
Cast Iron Sleeve
Smooth Performance
Easy to Use and Maintain
Simple throttle control
Easy, convenient, heavy duty control box
Easily accessible spark plug
Easy Starting
Ergonomic, easy to grip recoil rope design
Automatic mechanical de-compression system
Emissions Compliant
Lower emissions, same power output!
CARB and EPA certified
No catalyst necessary
Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficency
OHV design for increased efficiency and optimal power transfer
High compression ratio for better fuel efficiency
Precision engineered components result in lower vibration
Ball bearing supported crankshaft for greater stability
Exceptionally Quiet
Carburetor Butterfly
Large capacity, multi-chamber exhaust system
Reduced mechanical noise due to light weight, noise-reducing materials
Forged steel crankshaft and rigid crankcase
Helical cut gears
Sophisticated air intake system
Proven Reliability
New carburetor chamber coating and carburetor filter help to protect against fuel impurities
Dual element air cleaner
Fuel Valve
Cross Reference Guide
Kohler: CH440
Briggs & Stratton: 245432-0235
User Manual

Use to Replace Model Numbers:

GX390U1QA2, GX390UT1 QA2, GX390UT1-QA2, GX390K1-QA2, GX390UT2QA2, GX390UT2QA2, GX390K1QA2

Please call for questions about what engines this replaces. (888-208-2088, 248-628-4638)

Any cross-reference is provided as a courtesy. You will be responsible for making sure the part number we are providing will fit your application. If you are unsure, please contact us before purchasing for help. Please have your model and serial number available.