OEM Echo ES-250, PB-250LN Carburetor Rb-K106
Original price was: $107.91.$86.68Current price is: $86.68. Taxable, FREE SHIPPING
Genuine Echo Carburetor Rb-K106
Part #: A021003661
Fits models: ES-250, PB-250LN
4 in stock
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Genuine Echo Carburetor Rb-K106
Part #: A021003661
Fits models: ES-250, PB-250LN
| Weight | 0.34375 lbs |
|---|
FAQs
What is a venturi?
Venturi is a narrow passage, pipe, hose, or conduit that restricts airflow. That restriction forces air to speed up and drop in pressure. That low pressure vacuum zone is required for suction.
In a carburetor, that suction draws in fuel. It also atomizes the fuel and sends it to combustion.
What is a carburetor’s function?
- mixes air and fuel in the right ratio for an internal combustion engine to run,
- controls engine speed by regulating airflow through a narrow section (venturi).





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