- Float needle may be stuck, causing the fuel bowl to overflow.
- Float may be damaged or misadjusted, causing the fuel level in the bowl to be too high.
- Fuel line may be kinked or blocked, restricting fuel flow and causing the fuel bowl to overflow.
- Vent line may be blocked, causing a vacuum in the fuel tank and preventing fuel from flowing into the carburetor.
- Drain hose can be clogged, resulting in fuel backing up and overflowing.
