Chrysler 100, 115 and 140 HP Outboard Motors Service Manual, OB 3439, Page 82Get this manual
In most casespreamplifier is either good or bad (operative or inoperative) However, another condition has periodically developed whereby it ill break down under load or whenwarmed up" such as will happen with an ignition coil In these instances, the engine fault symptom will be that performance initially is good but then it will gradually "die or slow downsuch as when running out of fuelGenerallythe engine will restart immediatelybut when accelerated or held at steady high spead, the "die or slow down" symptom reoccursusually with shorter duration of running between start- ups These tests will not disclose this condition Distributor Rotor and CapTest Equipment: Spark Plug Wire 12" Long1Install the 12" piece of spark plug test wire in the coil again and spin the pulleyif there is good spark jumping the 1 2" gap between the end of the wire and groundremove the distributor capFigure 20