The Honda GX390 QNR2 is a 389cc, air-cooled, 4-stroke, horizontal-shaft engine that delivers 11.7 horsepower. It is commonly used in equipment such as generators, pressure washers, and large pumps. Known for its durability, fuel efficiency, and smooth performance, the GX390 QNR2 offers reliable power for demanding commercial and industrial applications.
| BRAND | Honda |
|---|---|
| MODEL NUMBER | GX390-QNR2 |
| REPLACES MODELS | GX390K1-QNR2, GX390 K1-QNR2, GX390QNR2, GX390UT2-QNR2 GX390UT1QNR2, GX390UT2QNR2, GX390QNR2, GX390 QNR2 |
| WARRANTY | 3 Year Consumer & Commercial |
| SHIPPING WEIGHT | 88 |
| DISPLACEMENT | 389cc |
| STARTER TYPE | Electric & Recoil |
| CRANKSHAFT ORIENTATION | Horizontal |
| CRANKSHAFT TYPE | Straight |
| FUEL SYSTEM | Gasoline |
| GEAR REDUCTION | No |
| CRANKSHAFT DIMENSIONS | 1″ x 3-31/64″ |
| CRANKSHAFT LENGTH | 3-31/64″ |
| CRANKSHAFT END TAPPED SIZE | 7/16 – 20 |
| CRANKSHAFT KEYWAY WIDTH | 1/4″ |
| CRANKSHAFT ROTATION DIRECTION (FROM PTO SIDE) | Counterclockwise |
| CYLINDERS | 1 |
| CYLINDER BORE TYPE | Cast Iron |
| AIR CLEANER TYPE | Dual Element |
| FUEL PUMP | No |
| OIL COOLER | No |
| OIL CAPACITY | 38 |
| LOW OIL ALERT | No |
| LOW OIL SHUTDOWN | Yes |
| IGNITION SYSTEM | Digital CDI with Variable Timing |
| CARBURETOR TYPE | Float |
| CHOKE CONTROL | Manual |
| BOLT CIRCLE | 5,6-1/2 |
| NOTES | Engine Notes: |
| PTO HEIGHT | 5 – 1/4 |
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