Chrysler 70, 75 and 85 HP Outboard Motors Service Manual OB 3438, Page 44Get this manual

Chrysler 70, 75 and 85 HP Outboard Motors Service Manual OB 3438, Page 44

9Follow steps 5, and 7, for adjustment of middle and bottom carburetor10Now go back to the top, middle and bottom carburetor, and recheck each setting for correctness Figure 12Securing Choke Link
Figure "Removing Carburetor Intake Cover
idle Speed Adjustment
1Adjust idle speed screw on towershaft until engine idles at approximately 750 RPM in gear