1967 Evinrude StarFlite 80 HP Outboards Service Manual, PN 4359, Page 34Get this manual
Figure 4-13Removing Small Retaining
Figure 4-11Compressing Distributor Shaft Ball
Figure 4-14Checking Bearings
Figure 4-12Removing Retaining Ring
CLEANING, INSPECTION, AND REPAIR
SPARK PLUGS Inspect plugs for cracked porce lain and excessively worn electrodes Clean the electrodes with point file and adjust to the specified gap, .030 inchIn regapping, adjust only the ground (side) el ectrode, as attempting to bend the center lectrode will crack the insulatorSee Figure 4-15A 00 NOT sand blast spark plugs4-6
Figure 4-15Checking Gap (A); Cleaning Seat (B) Poor motor performance and premature spark plug failure may result from improper spark plug installationBefore installing the plug, be sure the plug seat in the cy linder head is clean and free from obstructionsSee Figure 4-16BInstall new spark plug gasket, screw the plug in by hand, then tighten to the specified 17-1 to 20-12 foot-poundsIf thr eads are stripped in cylinder headHeli-Coil