Honda GCV135 2001 Owner's Manual
![Honda GCV135 2001 Engine manual cover](/images/XBoaWIHTfPONfwSgoFFywClU/thumbs/thumb175x175.webp)
To start the Honda GCV135 engine, ensure the fuel valve is open, move the throttle lever to the choke position if the engine is cold, pull the starter grip lightly until you feel resistance, then pull it briskly. If the engine is warm, set the throttle to the fast position instead.
If the engine won't start, check the fuel level and ensure there's fresh fuel. Verify the spark plug is clean and properly connected. Ensure the air filter is not clogged and the oil level is adequate. If the problem persists, consult a professional mechanic.
Change the oil after the first 5 hours of use for a new engine and every 50 hours of operation thereafter. Regular oil changes help maintain engine performance and longevity.
Honda recommends using SAE 10W-30 4-stroke automotive detergent oil. Ensure the oil is classified for service SJ or later.
To clean the air filter, remove the cover and take out the air filter. Wash it with a mild detergent and warm water, then allow it to dry completely. If the filter is damaged, replace it with a new one. Reinstall the filter and cover securely.
The correct spark plug gap for the Honda GCV135 engine is 0.028 to 0.031 inches (0.7 to 0.8 mm). Ensure the spark plug is properly gapped to maintain optimal engine performance.
If the engine runs rough, check for a clean and properly gapped spark plug, verify fuel quality, and inspect the air filter for clogs. Ensure the carburetor is clean and the fuel line is not obstructed.
For winter storage, drain the fuel tank and carburetor, change the oil, remove the spark plug and add a few drops of oil into the cylinder, then pull the starter cord slowly to distribute the oil. Clean the engine and store it in a dry place.
To adjust the throttle cable, locate the throttle lever and adjust the cable tension by loosening the lock nut and turning the adjustment bolt. Ensure the throttle lever moves smoothly from idle to full throttle. Tighten the lock nut once adjusted.
To clean the carburetor, remove it from the engine, disassemble it carefully, and clean each part with carburetor cleaner. Pay special attention to jets and passages. Reassemble the carburetor and reinstall it on the engine.