Riding Mower Gas Cap Vent

The cap on your mower s gas tank is vented with a small hole.

Riding mower gas cap vent.

The newer caps are venting from the rubber gasket inside the cap and they are the worst thing someone ever thought of. With out the vent the engine will die 10 to 45 minutes depending on how much gas is in the tank. 4 1 out of 5 stars 249. 1 16 of 364 results for craftsman mower gas cap briggs stratton 591003 fuel tank cap.

This vent is just large enough to allow air into the tank creating enough backpressure to aid in fuel delivery to the carburetor. Gas cap on lawn mowers chainsaws and other gasoline powered outdoor power equipment is a magnet for dust dirt grass and other debris. If the fuel cap vent is clogged air won t be able to enter the tank and a vacuum or vapor lock will occur. If your motor runs for a few moment and then dies but starts back up this tip may be for you.

This stops the flow of fuel to the carburetor causing the engine to stall. As fuel is consumed by the engine the level in the fuel tank lowers. Free shipping on your first order shipped by amazon. Many people use a dry rag to remove the crud but i ve found that the most efficient way is to use a paint brush.

The vented gas cap has a chamber under the plastic cap handle that inserts into the fuel fill line. Get it as soon as fri sep 25. The cap screws shut and this chamber fits relatively close inside the intake tube of the fuel line running to the tank. Amazon s choice for craftsman mower gas cap.

To make up for this the fuel cap uses a small vent to allow air to enter the tank. On each side of the chamber are small openings where air is able to enter.