1974 Johnson 40 HP Outboard Motors Service manual, Page 40Get this manual
b Disconnect all leads from breaker point assembliesConnect meter or test light between breaker plate and forward breaker point screw terminalSee Figure 4-34cPlace gearshift in forward seatAdvance breaker plate to full throttle position against stopPlace timing fixture OMC Special Tool (p art No386635) on crankshaftRotate the crankshaft so that the side of the fixture marked "T" (top) is aligned with the first projection on the armature plateSee Figure 4-34 dMove timing fixture lowly until the exact instant at which the pOints open is determined, as indicated by the light or meterThe points should break open when the timing fixture is midway between the two prOjections on the armature plateeIf timing is not correctalign timing fixture and first timing markAdjust points until the meter or light indicates an open circuitSee Figure 4- 35
151 NOTE
If new breaker point assemblies were in-
Rotate the crankshaIt in clockwise direc tion only