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Outboard 101

2017 Mercury 115 Water Pump Service at 300 Hours

Quick Answer: The 2017 Mercury 115 HP 2.1L FourStroke reaches a scheduled water-pump service point at 300 operating hours or three years. A complete service replaces the impeller and inspects...

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Mercury 200 V6 FourStroke 100-Hour Service Guide

Quick Answer: A 100-hour service on a Mercury 200 3.4L V6 FourStroke centers on changing the engine oil and filter, replacing the gearcase lubricant and drain seals, inspecting the drained...

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How to Remove a 2019 Mercury 150 Lower Unit Safely

Quick Answer: To remove the lower unit from a 2019 Mercury 150 FourStroke for water-pump service, secure the boat, place the control and gearcase in the service-manual position, support the...

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How to Replace a Mercury 150 FourStroke Water Pump

Quick Answer: Replace the water-pump impeller on a Mercury 150 FourStroke by supporting and removing the gearcase, dismantling the pump in order, matching every gasket and wear-plate passage, locking the...

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Mercury 75 HP 2.1L Annual and 100-Hour Service Guide

Quick Answer: A Mercury 75 HP 2.1L annual/100-hour service centers on five jobs: change the engine oil and filter, drain and refill the gearcase, inspect or replace the low-pressure fuel...

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