Diagnostic
Cause: Failure to flush internal water passages with fresh water after use in saltwater or polluted water, leading to deposit buildup Test: Inspect and flush internal cooling water passages; refer to Maintenance – Flushing the Cooling System
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Ask Boat Guru about thisSpec · 1/2 maximum conditions={"procedure":"Cooling system flush"}
Procedure · 1. Flush the internal water passages of the outboard with fresh water after each use in salt or polluted water to prevent deposit buildup from clogging water passages. Refer to Maintenance – Flushing the Cooling Syste...
Spec · Tilted up, gearcase completely out of water conditions={"environment":"Saltwater or polluted water (except freezing temperatures)"}
Procedure · 1. Remove the flush connector from the bottom cowl. 2. Remove the cover from the flush connector and thread a water hose into the flush connector. 3. Turn on the water tap (1/2 maximum) and let the water flush through...
Diagnostic · Cause: Water pump failure or blockage in cooling system resulting in no coolant flow Test: Verify steady stream of water from water pump indicator hole