Question about Oregon Scientific Complete Carburetor for Stihl 4122 Brush Cutter and 4226HS Hedge Trimmer
I would start by opening each 1 turn. Then 1/2 turn until I got it running. While running, set the low by turning the screw out until the saw starts to slow down. Then turn in until the same thing happens. Set the screw about 1/2 way in between. Do the same with the high but do it while running at a higher RPM. Do not run it wide open unless you have the chain in wood, cutting. Good luck...Lee
Posted on May 28, 2010
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Posted on Jan 02, 2017
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