Chrysler 20 and 30 HP Outboard Motors Service Manual OB 3435, Page 45Get this manual
BIf wide-open throttle mark on cam is not at center of contact with rollerremove throttle cam rod from magneto control lever, loosen jam nut, and turn rod to shorten or lengthen itMark must be centered when rod is in place Figure 9 CTighten stop nut on rod5Check that throttle shutter is horizontal when magneto is at WOT and WOT mark on cam is in center of contact with rollerIf notrepeat steps through 4Throttle Stop Adjustment, Manual Start Models
1Adjust screw in throttle stop on steering handle shaft so that set screw touches wall of steering tlandle when WOT stop on magneto touches cylinderFigure 10Idle Adjustment
1Turn idle adjustment screw clockwise until it seats in carburetorFigure 11