![]() On most Walbro carbs, the fuel inlet fitting will be on the side of the carb body (as opposed to the front or back), and the outlet fitting will be on top of the carb body.įinally, you can also ID a Walbro carb by its float bowl design. Another way to ID a Walbro carb is by the configuration of the fuel inlet and outlet fittings. The first way is to look for a model number or identification code stamped into the side of the carburetor body. If you’re not sure what kind of Walbro carburetor is on your engine, there are a few ways to identify it. So now that you know all about Walbro Carburetors, be sure to check out our selection next time you need replacement or rebuild kit! How do I identify my Walbro carburetor? ![]() The throttle bore controls how much air enters into the intake manifold and ultimately determines the power out put of your engine. The float chamber is where fuel enters into the carburetor and is held until it’s needed by the engine. The body houses all of the internal moving parts and also serves as an mounting point for the float chamber and throttle bore. Now let’s take a look at how all of this fits together in a diagram: As you can see, there are three main parts to a Walbro Carburetor – the body, the float chamber, and the throttle bore. When the engine is running, the vibration from the engine creates pressure on the diaphragm which in turn opens up the fuel flow. ![]() The diaphragm has two sides – one side is connected to the engine and the other side is connected to the fuel tank. This means that there is a flexible diaphragm inside the carburetor that controls the fuel flow. The first thing to understand about Walbro carburetors is that they are diaphragm-type. That’s why we’ve put together this handy guide on Walbro carburetors – complete with diagrams! Whether you’re rebuilding your old one or installing a new one, it’s important to have a clear understanding of how everything works. If you’re a 2-stroke lover, then you know the importance of a good carburetor. Install the rebuilt carburetor on the engine and adjust the idle speed screw until the engine is running smoothly.Reassemble the carburetor, making sure all of the gaskets and seals are in place.Inspect all of the parts for wear or damage and replace any damaged parts.Clean all of the parts with carburetor cleaner and a brush.Remove the carburetor from the engine and disassemble it.Here’s how to rebuild a Walbro carburetor. This process is not difficult, but it does require some patience and attention to detail. If your Walbro carburetor is damaged, you’ll need to rebuild it.
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