1975 Evinrude 40 HP Outboards Service Manual, PN 5093, Page 77Get this manual
Due to the construction of the starter motor, maintenance operations are generally limited to pe riodic 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 ARMAT URE NUT :
.045" WASHER
SPRING EEVE UP _ "" SCREW :
1 32" IELD AN FRAME
Figure 7-6Starter Motor Test Section 2Check 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