1976 Johnson 4HP 4R76, 4W76 Outboards Service Manual, Page 33Get this manual
REASSEMBLY OF MAGNETO TO MOTOR aIf flywheel key has been removed, reassemble to crankshaft with outer edge parallel to taperSee Figure 4-16
Be sure that the single upset mark on the side of the key is facing downSee Figure 4-16Incorrect installation of the key will affect cam position and ignition timingTAPERED DOWN
Figure 4-15Coil Locating Ring Alignment of the magneto coils will be simplified with the use of coil locating ring (Special Tool #317001) machined to fit over the four bossesSee Figure 4-15NOTE Do not connect breaker point leads until after making breaker point adjustmentsbMake sure that new oiler wick is installed under the forward coilSee Figure 4-6
Figure 4-17Armature Plate bInstall cam, making certain that side marked "TOP" is upSee Figure 4-17cApply coat of OMC Sea- LubeMoly Lube to the armature plate support ring, retaining ring, and bushing in armature plateInstall retaining ring with tapered side down, and support ringAlign retaining ring to correspond to the position of the armature plateSee Figure 4-17DO NOT add oil or grease to the oiler wick on the magnetodPlace the armature plate in position over the crankshaft, using care to avoid damaging the breaker arms on the camMake sure that throttle cam follower is not caught under throttle control camSee Figure 4-18Tighten the four Phillips head screwsSee Figure 4-6eConnect armature plate link to throttle leverSee Figure 4-3