1976 Evinrude 40HP outboards Service Manual, Page 78Get this manual
cRemove three nuts and three screws attaching starter bracket and mounting bracket to crankcaseSee Figure -7Lift starter and bracket off bracket studsdRemove two thru-bolts from starter motorSeparate motor from bracket REFERENCE PICTURE
DISASSEMBLY OF STARTER
aRemove drive end head, taking care to avoid damaging bearing in head on teeth or armature pinionbRemove commutator head by tapping lightly with rubber malletRemove brushes and spring from holderLift armature from frame and field assemblySee Figure 7-5cTo disassemble starter drive, remove nut at top of drive housingNote the relative positions of the parts while disassembling to aid in reassembly laterSee Figure -8Figure -9Checking Armature on Growler
CLEANING, INSPECTION, AND REPAIR
aInspect the brushesreplace if one-half worn, damaged, or cracked Replace brush springs if weakbClean commutator with Grade 00 sandpaperIf commutator surface is unevenly worn or pitted, turn on latheRemove any trace of oil from commutatorcCheck the armature on growler for shorted turnsSee Figure -9Check armature for grounding by using test light or meterSee Figure 7-10