Carburetor fits Echo PB251, PB255, PB265, PB255LN, ES255 replaces Zama RB-K85
Original price was: $27.74.$23.95Current price is: $23.95. Taxable, FREE SHIPPING
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Quality aftermarket carburetor
Fits: Echo PB251, PB255, PB265, PB255LN, ES255
Replaces OEM: Zama RB-K85
| Weight | 0.5 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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