2. Check the spark plug. Remove the spark plug and check for dirt, debris, or damage. If the spark plug is dirty, clean it with a wire brush. If the spark plug is damaged, replace it with a new one.
3. Check the air filter. Remove the air filter and check for dirt, debris, or damage. If the air filter is dirty, clean it with a mild detergent and water. If the air filter is damaged, replace it with a new one.
4. Check the fuel line. Inspect the fuel line for cracks, leaks, or kinks. If the fuel line is damaged, replace it with a new one.
5. Check the carburetor. The carburetor is responsible for mixing the fuel and air together. If the carburetor is dirty or clogged, it can cause the trimmer to run rough or stall. Clean the carburetor with a carburetor cleaner and compressed air.
6. Check the ignition coil. The ignition coil is responsible for generating the spark that ignites the fuel. If the ignition coil is damaged, it can cause the trimmer to misfire or stall. Test the ignition coil with a multimeter to ensure it is working properly.
7. Check the flywheel. The flywheel is responsible for storing and releasing energy to the cutting head. If the flywheel is damaged, it can cause the trimmer to vibrate excessively or stall. Inspect the flywheel for cracks or damage. If the flywheel is damaged, replace it with a new one.
