Echo CS 400 Carb Difference

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revo39564

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Jul 10, 2023
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Wondering if anyone knows what the difference is between the walbro at 820 and the 985 carbs? Look similar 820 has a friction plug for the idle screw don’t really see any other differences….. carb rebuild
Kit, jets, etc all look identical
 
Echo company had no clue….. I asked them if they knew the difference between the carbs and they said I don’t know we didn’t build the carbs lol …The walbro tech said it should probably work. Installed it today works great.
 

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