1968 Evinrude Starflite 100 HP outboards Service Manual, Page 82Get this manual
The starter motor drive pmlOn is disengaged when at rest and is made to mesh with the flywheel ring gear by the rotation of the starter motor armatureAfter the motor has started, the starter pinion is driven faster than the starter motor shaft and moves down the screw shaft out of mesh with the flywheelSee Figure 7-4The safety switch opens the starter circuit, preventing aCCidental engaging of the starter motor, whenever the throttle lever is set beyond start positionThe switch is operated by plunger which rides on cam on the lower distributor housingAdjustment of the safety switch is covered in Section 4, Ignition aDisconnect batterybDisconnect lead from starter motorcRemove two thru-bolts from starter motordStarter motor can be removed from starter drive housingIf it is necessary to remove starter drive housing, remove ring gear cover, then remove top screw and remove starter drive from crankcaseSee Figure 7-6
DRIVE END
WASHER$ .042" "0 WASHER-o "0" RING"'O
FIELD AND FRAME ASSEMBLY
Figure 7-5Starter Motor Test