188-512 Walbro Parts Primer Pump

188-512 Walbro Parts Primer Pump

This high quality OEM sourced item is specially designed for use with Walbo carburetors. Its purpose is to allow user to pump gasoline into the gas chamber. By pressing on the primer bulb it will force fuel into the line from the tank into the carburetor. Once the carburetor is full of fuel, the excess fuel will be sent back into the tank. Over time the primer bulb may lose its elasticity or crack eventually requiring replacement. It is made from durable rubber with a plastic adapter and it is sold individually.