Kohler CH682 Service Manual
![Kohler CH682 Engine manual cover](/images/raqPaUHbWiVyzrapHMCjAzmb/thumbs/thumb175x175.webp)
The Kohler CH682 engine typically requires 10W-30 or SAE 30 oil, with a capacity of approximately 2 quarts (1.9 liters). Always check the owner's manual for specific recommendations.
It is recommended to change the oil every 100 hours of operation or annually, whichever comes first. Regular oil changes help maintain optimal engine performance.
The spark plug gap for the Kohler CH682 engine should be set to 0.030 inches (0.76 mm). Maintaining the correct gap ensures efficient combustion.
Check the fuel supply, spark plug condition, and battery charge. Ensure the air filter is clean and inspect the ignition system for faults. Addressing these common issues can resolve starting problems.
Inspect the air filter every 25 hours of operation and clean or replace it as needed. A clean air filter ensures the engine receives adequate airflow for combustion.
Disconnect the governor spring, adjust the throttle linkage to the wide-open position, and rotate the governor shaft counterclockwise. Reconnect the spring and ensure the linkage moves freely.
Overheating can be caused by a clogged cooling system, low oil level, or a dirty air filter. Clean the cooling fins, ensure proper oil level, and replace or clean the air filter to resolve overheating issues.
Drain the fuel system, change the oil, remove the spark plugs and add a few drops of oil into the cylinders, and store the engine in a dry place. These steps help prevent damage during storage.
Regular maintenance such as keeping the air filter clean, ensuring the fuel system is free of clogs, and maintaining proper tire pressure on equipment can improve fuel efficiency.
Vibrations can be caused by unbalanced blades or pulleys, loose engine mounts, or worn-out bearings. Inspect and balance rotating parts, tighten mounts, and replace worn components to minimize vibrations.