1. Clogged Fuel Filter: Check and replace if necessary.
2. Faulty Fuel Pump: Inspect the pump and replace if damaged or worn.
3. Blocked Fuel Lines: Check for kinks or obstructions and clear if found.
4. Idle Jet/ Main Jet clogged: Remove the carburetor, then locate and clean the jet.
5. Float Stuck: Check if the float moves freely and replace if necessary.
6. Carburetor Float Bowl Problems: Check the gasket, O-rings, and ensure proper fuel level.
7. Vacuum Issue: Check vacuum lines and connections, fix any leaks or replace damaged lines.
8. Carburetor Vent Hole Blocked: Clean the vent hole on top of the carburetor.
9. Faulty Carburetor Needle and Seat: Replace if worn or damaged.
10. Incorrect Fuel Tank Vent Cap: Make sure the vent cap allows air to enter the tank.
11. Insufficient Fuel Flow: Check the fuel supply and fuel line size, replace with a larger line if needed.
12. Choke Valve Malfunction: Verify the choke valve opens fully when necessary.