A primer bulb replacement is often needed as the little bulb is made of soft plastic or rubber. Over time it can dry-rot or simply break down. A primer bulb is a small plastic or rubber type button that is pressed in order to “prime” the engine.
How does it work?
A primer bulb is pressed and released. Sometimes this is done several time until a vacuum is created and fuel is sucked up from the fuel intake line.
The fuel sucked in creates a fuel deposit into the carburetor making it ready or “primed” for combustion.
Primer Bulb Replacement
Replacement is fairly easy. It’s usually held on by 4 small screws and a bracket. Simply remove the screws and replace the primer bulb. Sometimes you may have to remove a plastic cover as I did in this video. This method can be used on a variety of brands.
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