1971 Evinrude 40HP outboards Service Manual, Page 37Get this manual
hRotate crankshaft through 180 clockwise, and repeat entire procedure for second set of pointsiReattach leads to breaker assemblies, replace flywheel and check for sparkInstall starter ratchet and flywheel nutTighten flywheel nut to torque specified in Section 2Connect lead wires to spark plugs, making sure that firm contact is made at the spark plug terminals VACUUM CUT-OUT AND SAFETY SWITCHES
If the throttle is suddenly closed while the motor
is operating in neutral, crankcase suction may become abnormally highThis high suction (vacuum) will cause erratic functioning of the carburetor,
Figure 4-20Timing Fixture Move timing fixture slowly back and forth until the exact instant at which the points close is determined, as indicated on 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 correct, align timing fixture and first timing markAdjust points until the meter or light indicates closed circuitSee Figure 4-21NOTE