1. Fuel Issues:
- Check the fuel level. If the fuel tank is low, refill it with fresh gasoline.
- Verify that the fuel line is not kinked or blocked, as this can restrict fuel flow.
- Ensure the fuel filter is clean and not clogged. A dirty fuel filter can restrict fuel flow to the carburetor.
2. Carburetor Issues:
- Check if the carburetor is properly adjusted. An improperly adjusted carburetor can cause fuel mixture problems, leading to hard starting and stalling.
- Inspect the carburetor for any dirt, debris, or corrosion that might affect its performance. Clean the carburetor if necessary.
3. Spark Plug:
- Re-check the spark plug to ensure it is properly installed and the gap is set correctly according to the manufacturer's specifications. A faulty or improperly gapped spark plug can cause ignition problems.
4. Air Filter:
- Check the air filter to ensure it is clean and not clogged. A dirty air filter can restrict airflow and cause engine performance issues.
5. Choke:
- Verify if the choke is working correctly. A stuck or malfunctioning choke can result in difficulty starting and stalling.
6. Fuel Line:
- Inspect the fuel line for damage or leaks, which can cause air to enter the fuel system and affect fuel flow.
7. Engine Governor:
- The engine governor is responsible for regulating the engine's speed. A faulty governor can lead to engine stalling.
If you have checked and addressed all these potential issues and the lawnmower still struggles to start or dies while mowing, it's advisable to take it to a lawnmower repair professional for further diagnosis and repair.
