1992-2000 Mercury Mariner 105-225HP outboards Factory Service Manual, Page 71Get this manual

1992-2000 Mercury Mariner 105-225HP outboards Factory Service Manual, Page 71

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LOW SPEEDHIGH SPEED SPARK ADVANCE MODULE REMOVAL 1 Disconnect spark advance module harness leads from switch box2 Remove bolts securing module to powerhead and remove module TEST FOR PROPER FUNCTION O