1976 Evinrude 40HP outboards Service Manual, Page 77Get this manual
Due to the construction of the starter motor, maintenance operations are generally limited to periodiC checking for looseness of mountingUnless it is certain that the starter motor requires attention, do not remove it for overhaulA thorough check should be made of the battery, cables, starting solenoid, and switch as outlined in the Trouble Check Chart in ARMATURE :
.04 5" WASHER
FIELD AND FRAME ;ASSEMBLY
SPRING SLEEVE CU _ SCREW SHAFT
Figure -6Starter Motor Test Section 2Remove starter as described belowCheck the starter motor by using the no load testWith 10.0 volts applied to the starter motor, maximum current should be 60.0 amperes and minimum speed should be 8000 rpmSee Figure 7-6