Honda GE400 Engine

⚠ A faulty GFCI system will not provide proper protection against electric shock.

⚠ If the GFCI system fails the test, the generator must be repaired by an authorized Honda servicing dealer before use.

1. Unplug all tools and appliances from the generator.
2. Start the engine.
3. Turn OFF the Auto Throttle switch.
4. Turn the AC circuit breaker to the ON position.
5. Press the TEST button: the RESET button should pop out and the AC circuit breaker should switch to OFF.
6. Press the RESET button: it should stay in, flush with its base plate.
7. With the RESET button in and the engine running, turn the AC circuit breaker to ON; it should remain ON.

⚠ If the red indicator starts to blink continuously, contact an authorized Honda generator dealer.

1. Unplug all tools and appliances from the generator.
2. Start the engine.
3. Turn OFF the Auto Throttle switch.
4. Turn the AC circuit breaker to the ON position; the green indicator should light continuously.
5. Press the TEST button: the RESET button will pop out and the green indicator will go off.
6. Press the RESET button: the green indicator will light continuously.

⚠ Pressing down on the handles may damage the handle holder assembly; only pull up to move the generator.

Tools: 12 mm wrench (2), pliers

1. Install the handle holder assembly on the generator upper frame using the 8×18 mm flange bolts.
2. Install the handle assembly on the upper frame pipe using the 8×16 mm flange bolts, handle bush A, handle bush B, and handle lower bracket.
3. Check that the handle folds smoothly and does not hang down by its own weight.

1. Be sure to set the hanger at the position as illustrated.
2. Secure the hanger with the 6 mm bolt.

Tools: 12 mm wrench (2), pliers

1. Install the two stands on the under frame using four 8×16 mm flange bolts.
2. Install the two wheels on the axle shaft using the washers and split pins; bend the pins.
3. Install the axle assembly on the generator using four 8×16 mm flange bolts and 8 mm flange nuts.

⚠ Excess oil will restrict air flow and may cause engine to smoke at startup.

⚠ Operating without element or loose element allows dirt to enter engine.

1. Remove air cleaner case lid springs and unhook tabs.
2. Remove air cleaner cover and element.
3. Check element and replace if damaged.
4. Clean element in warm soapy water or non-flammable solvent, dry thoroughly.
5. Dip filter in clean engine oil, squeeze out excess oil.
6. Install air cleaner in reverse order of removal.

⚠ Do not twist the foam filter when squeezing.

⚠ Prevent dirt from entering the air duct that leads to the carburetor.

1. Clean the foam air filter in warm soapy water, rinse, and allow to dry thoroughly, or clean in non-flammable solvent and dry.
2. Dip the foam air filter in clean engine oil, then squeeze out all excess oil.
3. Wipe dirt from the air cleaner housing and cover using a moist rag.

⚠ Never use gasoline or low flash point solvents for cleaning the air cleaner element. A fire or explosion could result.

⚠ Never run the generator without the air cleaner. Rapid engine wear may result.

1. Unsnap the clips, remove the air cleaner cover and remove the element.
2. Wash the element in a non-flammable or high flash point solvent and dry it thoroughly.
3. Soak the element in clean engine oil and squeeze out the excess oil.
4. Reinstall the air cleaner element and the cover.

⚠ Battery gives off explosive gases; keep sparks, flames, and cigarettes away.

⚠ Battery contains sulfuric acid; contact with skin or eyes may cause severe burns.

Tools: Digital multimeter, Battery charger

1. Turn combination switch OFF.
2. Remove battery.
3. Check battery for damage.
4. Leave battery for 30 minutes.
5. Measure battery voltage with digital multimeter.
6. If below 12.4 V, charge battery.
7. Connect charger positive to positive, negative to negative.
8. Leave for 30 minutes.
9. Measure voltage; if below 12.7 V, charge.
10. If still below 12.7 V, replace battery.

1. Drain the oil while the engine is still warm to assure rapid and complete draining.
2. Remove the drain plug and filler cap, and drain the oil. Retighten the plug securely.
3. Refill with the recommended oil and check the level.

⚠ Keep the generator level to prevent fuel spillage when transporting. Fuel vapor or spilled fuel may ignite.

1. With the fuel valve OFF, remove and empty the filter cup.
2. Turn the fuel valve ON and drain the gasoline in the fuel tank into a suitable container.
3. Replace the filter cup and tighten securely.
4. Drain the carburetor by loosening the drain screw; drain the gasoline into a suitable container.
5. Pull the starter grip until resistance is felt (piston on its compression stroke) to close the exhaust and intake valves.

⚠ Handle fuel only outdoors; keep heat, sparks, and flame away.

Tools: funnel, suitable gasoline container

1. Turn the fuel valve lever to the OFF position.
2. Place a suitable gasoline container below the carburetor and use a funnel.
3. Loosen the carburetor drain screw and drain the gasoline from the carburetor.
4. After draining, tighten the carburetor drain screw securely.
5. Place a container below the sediment cup.
6. Remove the sediment cup, then turn the fuel valve lever to ON and drain the fuel tank.
7. Install the sediment cup and a new O-ring.
8. Turn the fuel valve lever to the OFF position.