O.S. Air Bleed Screw #3A/2A

Tower Stock# OSMG3012  •  Manufacturer Stock# 22381600
O.S. Air Bleed Screw #3A/2A (large view)
Notes from our tech department:
This includes a screw and a spring. The screw is slotted for a flat head
screwdriver.
Purpose: adjusts the low speed mixture (idle) of the engine.
counter clockwise turn will lean out the mixture
clockwise turn will richen the mixture
hdc 4/20/92

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