1968 Evinrude Starflite 100 HP outboards Service Manual, Page 24Get this manual
LEAD SHOTS If leakage occurs at lead shot area, follow these
steps: aIf leakage is slight, smart tap with hammer in the center of the lead shot will normally correct this conditionSee Figure 3-26bIf leakage still eXists, remove the lead shot with an appropriate sharp toolSee Figure 3-27cClean and inspect casting opening
Figure 3-26Sealing or Installing Lead Shot
Figure 3-24Installing or Tightening Core Plugs