1971 Evinrude Fisherman 6HP outboards Service Manual, Page 29Get this manual
bUSing appropriate flywheel holding tool remove flywheel attaching nutRemove the three flywheel screwsUsing Flywheel Puller (Special_ Tool318103), pull flywheel trom crankshaftSee Figure 4-4 cRemove armature link spring ClipSee Figure 4-5Loosen four Phillips head screws attaching magneto armature plate to power headSee Figure 4-6Lift magneto assembly from power head1524
Figure 4-2HOT and COLD Plugs Selection of the correct spark plug depends on the type of service to which it is subjectedUnless the spark plug is properly suited to the motor, trouble may arise which might be interpreted as carburetor difficultyVery low trolling speeds will tend to foul plugs due to the oil not burning from the coreHowever, at full throttle with hotter plug, the operating temperature may be too high, resulting in pre-ignition