Honda GX22 2003 Owner's Manual
![Honda GX22 2003 Engine manual cover](/images/itZBrzZblvSsXJXZpvBdlMfn/thumbs/thumb175x175.webp)
The Honda GX22 2003 engine is designed to run on unleaded gasoline with a pump octane rating of 86 or higher. Avoid using gasoline containing more than 10% ethanol, as it can cause damage to the engine components.
It is recommended to change the oil after the first 20 hours of operation, and then every 50 hours or once a season thereafter. Use SAE 10W-30 oil for optimal performance.
The correct spark plug gap for the Honda GX22 engine is 0.024-0.028 inches (0.6-0.7 mm). Ensure the spark plug is clean and properly gapped for efficient engine performance.
To clean the air filter, remove the cover and take out the filter element. Wash it with warm soapy water, rinse thoroughly, and let it dry completely. Apply a small amount of engine oil to the filter before reinstalling it.
The recommended idle speed for the Honda GX22 engine is approximately 3,100 RPM. Adjust the idle screw on the carburetor to maintain the correct speed if necessary.
If the engine won't start, check the fuel level, ensure the choke is in the correct position, inspect the spark plug for wear or damage, and confirm that the ignition switch is on. Clean or replace parts as needed.
For long-term storage, drain the fuel tank and carburetor, change the engine oil, clean the air filter, and remove the spark plug. Add a few drops of oil into the cylinder and rotate the engine slowly to distribute it.
To check the oil level, ensure the engine is on a level surface and remove the oil filler cap. Wipe the dipstick clean, insert it back into the filler neck without screwing it in, and then remove it to check the oil level.
Overheating may be caused by insufficient air flow, a dirty air filter, or low oil levels. Ensure the cooling fins are clean, the air filter is in good condition, and the engine has the correct oil level.
Common symptoms of a clogged carburetor include difficulty starting, rough idling, and poor engine performance. Cleaning the carburetor with a carburetor cleaner can help resolve these issues.