Getting that idle just right can be tricky sometimes. This is where you will spend a lot of time during 2-stroke carb tuning. Pilot Air Screw – Controls idle speed by regulating the amount of air passing through the pilot jet passage.Float Valve – The float valve regulates the flow of fuel from the fuel tank to the carburetor bowl.No 2-stroke carb adjustments will work if the bowl is always flooding. The floats are made of hollow plastic or metal connected to the carburetor body by a hinge. Float Assembly – The float assembly sits inside the bowl to regulate the fuel level in the carburetor bowl.The bowl also houses the float assembly.Ģ-Stroke Carb Body And Bowl Internal Carburetor Components Bowl – The carburetor bowl is located on the bottom of the carb and holds the fuel to be sent through the jets.Body – The carburetor body houses all the moving parts and jets, and mixes the air and fuel on its way to the cylinder.Parts of the Carburetor and What They Do Carburetor Body
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#2 STROKE TUNING HOW TO#
Knowing how to change your jets and needles is one thing, but it won’t do you any good if you don’t understand how the changes will affect your dirt bike.
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Although some may have different configurations or features, they all do the same thing – mix fuel and air.
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Once you understand the basic functionality of one 2-stroke carburetor, you can apply that understanding to ANY carburetor.Īlmost all 2-stroke carbs operate the same way. This 2-stroke carb tuning guide will give you all the information you need to tune your 2-stroke carburetor for peak performance, no matter the make or model. Tuning Your 2-Stroke Carburetor For Peak Performance.Why Proper Carb Tuning Is Critical For 2-Stroke Engines.Parts of the Carburetor and What They Do.