Honda iGX440 2008 Owner's Manual
![Honda iGX440 2008 Engine manual cover](/images/HoKMfbjkHzGqpEIOFkzMpULi/thumbs/thumb175x175.webp)
The recommended oil type for the Honda iGX440 engine is SAE 10W-30 for general use. For temperatures below 32°F (0°C), SAE 5W-30 is recommended.
It is recommended to change the engine oil after the first 20 hours of operation and every 100 hours or every season thereafter.
The spark plug gap for the Honda iGX440 engine should be set to 0.028-0.031 inches (0.7-0.8 mm).
If the engine won't start, check for fuel supply, ensure the fuel valve is on, inspect the spark plug for wear or carbon buildup, and verify the battery is charged if equipped with electric start.
Regularly check and change the oil, clean or replace the air filter, inspect the spark plug, and check the fuel system for leaks or blockages.
To adjust the idle speed, locate the idle adjustment screw on the carburetor and turn it clockwise to increase the speed or counterclockwise to decrease it.
Black smoke indicates a rich fuel mixture. Check the air filter for blockage, ensure the choke is not engaged, and inspect the carburetor settings.
Drain the fuel tank and carburetor, change the oil, clean the engine exterior, and store it in a dry place. Remove the spark plug and add a few drops of oil into the cylinder, then pull the starter cord to distribute the oil.
Remove the air filter cover, take out the filter element, and gently clean it with soapy water. Rinse thoroughly and allow it to dry completely before reinstalling.
Regular maintenance such as keeping the air filter clean, using the correct oil type, and ensuring the carburetor is properly adjusted can help improve fuel efficiency.