How to Test the Alternator on a Mercury 125 Outboard?

Answer An alternator on an engine provides current to the various electrical components of the engine, as well as anything hooked up to the battery and requiring electrical current to operate. In addition... Read More »

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How to Troubleshoot a Mercury Outboard 50 HP?

Mercury Marine, based in Illinois, was founded in 1939. Although they manufacture engines for many applications, outboard engines are the company's primary business. As with most engines exposed to... Read More »

How to Troubleshoot a 1996 50 HP Mercury Outboard?

Even if your 1996 50 HP Mercury Outboard Motor has more than a few miles on it, with a little care and early troubleshooting it can keep on running smoothly for years to come. As with most engines... Read More »

How to Replace the Impeller on a Mercury 150 XRI Outboard?

The impeller on a 150 XRI Mercury outboard is made of polyurethane. It is the heart of the water pump. The impeller sits on a metal plate and covered with a metal cup. The driveshaft runs through t... Read More »

How to Pick the Right Propeller for Your Mercury Outboard?

Bigger isn't always better when it comes to propellers. Propeller size is based on the diameter and the pitch of the propeller--how many inches forward the propeller pushes your boat for each prope... Read More »