Chrysler 70, 75 and 85 HP Outboard Motors Service Manual OB 3438, Page 92Get this manual
7Turn ignition switch to "onor "run" position 8Loosen lock nut on distributor control rod Figure 39Turn control rod until reading on voltmeter goes from voltage to battery voltage While holding control rod, tighten lock nut to secure rod in position9Recheck for proper adjustment by touching distributor belt and watch reading on voltmeterNeedle on voltmeter should go from voltage to battery voltage, or the reverse Timing Method #2 Timing Light C-D MODULE
DescriptionThe C-D module is sealed unitIt contains storage capacitor, full wave rectifier and silicon controlled rectifier (switch)The module is mounted on studded shock mounts to the power head Removal1Disconnect redwhite and blue leads from terminal block (to C-D unit) Pull harness carefully through to other (C-D) side of engine
1Connect timing light to No1 cylinder spark plug lead wire and to batteryArrow on clamp should point to spark plugFigure 53
Figure 54Removing C-D Unit2Remove screw securing ground lead to ignition coil (from distributor bracket) Figure 54