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Motor fuera de borda 101

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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How to Change Mercury 75 HP 2.1L Lower-Unit Gear Oil

Quick Answer: On a Mercury 75 HP 2.1L FourStroke, the lower fill/drain plug sits behind the propeller. Remove the prop, inspect the shaft seal area, open the upper vent, drain...

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How to Replace an Older Mercury 90 HP Water-Pump Impeller

Quick Answer: Replacing the water-pump impeller on an older-style Mercury 90 HP gearcase requires supporting and removing the lower unit, lifting the pump cover from the driveshaft, preserving the impeller...

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How to Replace a 2015 Mercury 90 HP FourStroke Impeller

Quick Answer: On a 2015 Mercury 90 HP 2.1L FourStroke, replace the impeller by removing the propeller and all gearcase fasteners, lowering the lower unit without disturbing the shift position,...

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