1. Clogged fuel filter: A dirty or clogged fuel filter can restrict the flow of fuel to the carburetor, causing the engine to run lean. This can cause the engine to stall unless it is choked.
2. Dirty carburetor: A dirty carburetor can cause a variety of problems, including a lean fuel mixture, which can cause the engine to stall.
3. Faulty spark plug: A faulty spark plug can cause the engine to misfire, which can also lead to stalling.
4. Air leaks: Air leaks in the fuel system or around the carburetor can cause the engine to run lean and stall.
5. Compression issues: If the engine has low compression, it will not be able to generate enough power to run properly and may need to be choked to keep running.
Troubleshooting steps:
1. Check the fuel filter. If the fuel filter is dirty, replace it.
2. Clean the carburetor. If the carburetor is dirty, clean it with a carburetor cleaner.
3. Check the spark plug. If the spark plug is worn out or damaged, replace it.
4. Check for air leaks. Check the fuel lines and around the carburetor for any air leaks. If you find any, seal them with a gasket or sealant.
5. Check the compression. If the engine has low compression, you may need to have the piston and rings replaced.
