Generally, two cycle engines like
string trimmers and leaf blowers are simple and light weight power
devices that normally give good service with a minimum of maintenance.
However, ethanol blended fuels, contaminated gasoline, and poor fuel
storage can result in a dirty carburetor, and then make them difficult
to start and almost impossible to keep running. Well, fortunately, here
are some steps to help you clean your two cycle engine's carburetor if
the need should arise.
Firstly, it is important to make sure you have a clean, well lit work area and some proper tools before you begin. Because these devices have small fasteners and parts which must be kept clean and safe while you work on them, and some have special fasteners that are difficult to remove without the right tools.
Then, when the preparation is done, it’s time to begin cleaning the carburetor. The first step is to brush or use compressed air to clean the outside of the engine and the air cleaner housing. This will make it easier to keep the internal parts of the carburetor clean while disassembling it.
Next, remove the air cleaner housing. It may be attached with clips or screws, you should be able to locate them by inspecting the housing visually. If you cannot remove the housing on the engine you are working on, you’d better consult the owner's manual or search specific information online.
And then, remove the fasteners that hold the carburetor onto the engine. There are usually two threaded studs with nuts and washers that serve this purpose. Be careful not to drop these nuts in an inaccessible location beneath the powerhead.
Now, disconnect the throttle and choke linkages from the carburetor, and remember to note how they fasten and where each one is attached. Besides, if there is a spring clamp, be sure that you do not overstretch it while removing it.
Go on, remove the fuel lines from the nipples connecting them to the carburetor housing. You can usually grip them gently with needle nose pliers and work them free. If clamps are used to attach them, remove the clamps prior to trying to remove the fuel lines.
Pull the motorcycle carburetor off of the mounting studs, being careful not to damage the gasket that seals the carburetor throat to the engine. Again, note the position of the carburetor, most are symmetrical, so they can be re-installed upside down, and the aforementioned linkages and fuel lines will not fit if that is the case.
Firstly, it is important to make sure you have a clean, well lit work area and some proper tools before you begin. Because these devices have small fasteners and parts which must be kept clean and safe while you work on them, and some have special fasteners that are difficult to remove without the right tools.
Then, when the preparation is done, it’s time to begin cleaning the carburetor. The first step is to brush or use compressed air to clean the outside of the engine and the air cleaner housing. This will make it easier to keep the internal parts of the carburetor clean while disassembling it.
Next, remove the air cleaner housing. It may be attached with clips or screws, you should be able to locate them by inspecting the housing visually. If you cannot remove the housing on the engine you are working on, you’d better consult the owner's manual or search specific information online.
And then, remove the fasteners that hold the carburetor onto the engine. There are usually two threaded studs with nuts and washers that serve this purpose. Be careful not to drop these nuts in an inaccessible location beneath the powerhead.
Now, disconnect the throttle and choke linkages from the carburetor, and remember to note how they fasten and where each one is attached. Besides, if there is a spring clamp, be sure that you do not overstretch it while removing it.
Go on, remove the fuel lines from the nipples connecting them to the carburetor housing. You can usually grip them gently with needle nose pliers and work them free. If clamps are used to attach them, remove the clamps prior to trying to remove the fuel lines.
Pull the motorcycle carburetor off of the mounting studs, being careful not to damage the gasket that seals the carburetor throat to the engine. Again, note the position of the carburetor, most are symmetrical, so they can be re-installed upside down, and the aforementioned linkages and fuel lines will not fit if that is the case.
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