1980 Johnson 4HP Service Manual, Page 44Get this manual
LEAKAGE TEST Ignition coil and high tension leads tested for leakage irisulation failures using the ignition analyzerLeakage is caused moisture, cracks in the coil housing pathsConnect the coil to the tester instructionsentire surface of the coil and high tension leads, flashover will apparent wherever insulation has broken which shows leakagedownReplace See Figure 4-31(High tension lead must disconnected from tester
FLYWHEEL REMOVAL
SAFETY WARNING Disconnect electrical connector between armature plate and power pack to avoid possibIe personal injury from accidentally starting motorSee Figure 4-7Remove the flywheel nut using strap wrench other suitabIe tool to hold the flywheelSee Figure 4-32
1Black tester lead 2Red tester lead 3Figure 4-31 Coi Leakage Test
Figure 4-32Removing Fywhee Nut
remove the flywheel install Universal Puller (Special Tool No378103) to the flywheel and tighten the center boltSee Figure 4-33