1981 Johnson/Evinrude 4HP Outboards Service Manual, Page 38Get this manual
INSTALLATION OF MAGNETO aIf flywheel key has been removedreassemble to crankshaft ith outer edge parallel to crankshaftSee Figure 4- 19
d Place the armature plate in position over the crankshaftusing care to avoid damaging the breaker arms on the cam Make sure that throttle cam follower is not caught under throttle control cam See Figure 4-21 Tighten the four Phill ips head screwsSee Figure 4-9
, ;jlll&;I&'1 NOTE
Be sure that the single upset mark on the side of the key is facing downSee Figure 4-19Incorrect installa tion of the key will affect cam position and ignition timing
1Parallel
Figure 4-19Flywheel Key Position bInstall cammaking certain that side marked "TOP" is upSee Figure 4-20cApply coat of Moly Lube #173250 to the armature plate support ringreta ining ringand bushing in armature plate Install retaining ring with tapered side downand support ring Align retaining ring to correspond to the position of the armature plateSee Figure 4-20DO NOT add oil or grease to the oiler wick on the magneto