Procedure
Flush the Cooling System
1. After each use in salt, polluted, or muddy water, flush the internal water passages of the outboard with fresh water using a Mercury Precision or Quicksilver accessory (or equivalent) flushing attachment.
Procedure
1. After each use in salt, polluted, or muddy water, flush the internal water passages of the outboard with fresh water using a Mercury Precision or Quicksilver accessory (or equivalent) flushing attachment.
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Diagnostic · Cause: Cooling water intake obstruction, water pump failure, or blockage in cooling system Test: Stop engine and check cooling water intake for obstruction
Spec · Thermostat controlled
Procedure · 1. After each use in salt or polluted water, flush the internal water passages of the outboard with fresh water to prevent deposit buildup from clogging water passages. Refer to Maintenance – Flushing the Cooling System.
Diagnostic · Cause: Accidental or unintended activation of the lanyard stop switch Test: Inspect lanyard cord and switch for damage or wear before each use