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Engines

Diesel Engine Myths

By Capt. Richard Thiel | Posted August 2014

When it comes to your boat’s engines don’t believe everything you hear.

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How to Prevent Boat Fires

By Capt. Richard Thiel | Posted July 2014

Capt. Richard Thiel looks at the effectiveness of onboard fire-suppression systems and also points out why you might not be as safe as you think.

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How to Find the Best Cruising Speed for Your Boat

By Capt. Richard Thiel | Posted June 2014

Here’s something you might not know about your boat’s optimal cruise speed

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How to Tweak Your Props to Make Your Boat More Efficient

By Capt. Richard Thiel | Posted May 2014

Though they sometimes go unheralded, your props can affect your boat’s performance as much as nearly anything else.

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How to Evaluate an Engine

By Capt. Richard Thiel | Posted April 2014

This might be the most important thing you do before purchasing a boat

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Marine Fuel Additives

By Capt. Richard Thiel | Posted March 2014

Does your fuel really need those additives?

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The Future of Marine Engines

By Capt. Richard Thiel | Posted February 2014

Predicting the future of marine propulsion.

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The New Caterpillar C8.7

By Capt. Richard Thiel | Posted January 2014

A Caterpillar Metamorphosis

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The Truth About Shafts and Pods

By Capt. Richard Thiel | Posted January 2014

Everything there is to know about the pods versus shafts debate.

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Engine Maintenance Tips

By Capt. Richard Thiel | Posted December 2013

Engine tips that will save you loot.

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Are Synthetic Engine Oils Right for Your Boat?

By Capt. Richard Thiel | Posted November 2013

Capt. Richard Thiel investigates whether the high-tech, synthetic engine oils are all they’re cracked up to be—particularly for marine engines.

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What's New in Marine Propulsion Technology

By Capt. Richard Thiel | Posted October 2013

What’s new in the engine room, on the transom, and on the horizon.

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Control Sound and Vibration on your Boat

By Capt. Richard Thiel | Posted October 2013

A quiet boat stops noise in the engine room—before it gets to you and your crew.

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How to Make Your Boat's Engine Last Forever

By Capt. Richard Thiel | Posted August 2013

With proper maintenance and attention to detail, you can help your engine to keep running efficiently for a long, long time—if not actually forever. Here’s what you need to know.

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How to Keep the Fuel Tanks on Your Boat Clean

By Capt. Richard Thiel | Posted August 2013

Understanding why you need to keep the diesel in your tanks clean.

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What Makes a Good Engine Room?

By Capt. Richard Thiel | Posted June 2013

While your boat may not have a well-designed engine room, there are modifications you can do to make it safer and simplify your maintenance chores.

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How Propellers Affect a Boat's Performance

By Capt. Richard Thiel | Posted June 2013

Learn the whys and hows of sorting performance issues with propellers (and beyond) here.

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Troubleshooting Your Boat's Engine

By Capt. Richard Thiel | Posted May 2013

How to troubleshoot engine problems on your boat.

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Troubleshooting Boat Performance

By Capt. Richard Thiel | Posted May 2013

A reader wants to know why his boat is slowing down.

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Marine Engine Horsepower Ratings

By Capt. Richard Thiel | Posted April 2013

Understanding what horsepower is, what it gets you, and why less is sometimes more can help your engines last longer. Learn more about horsepower ratings mean here.

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Five Tools Every Boater Should Carry

By Capt. Richard Thiel | Posted March 2013

They’ll get you out of many a jam, they won’t break your bank account, and you probably don’t have them aboard—yet.

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Clean Marine Engines from John Deere

By Capt. Bill Pike | Posted February 2013

John Deere’s new 4.5-liter marine diesel meets EPA Marine Tier 3 requirements and has enough power to replace the company’s older 6.8-liter Tier 2 engine.

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The New Magically Maneuverable Outboard

By Charles Plueddeman | Posted February 2013

Old salts will roll their eyes at the Miami International Boat Show this year when Mercury Marine and Yamaha debut new outboard control systems with joystick steering that makes...

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The Great Propeller Fight

By Capt. Bill Pike | Posted February 2013

I recently contended with a few of my colleagues here at Power & Motoryacht that most of the propellers we deal with in boat-test reports are of the fixed-pitch variety and...

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Volvo Penta’s New V8-380

By Capt. Bill Pike | Posted January 2013

The new Volvo V8-380 demonstrated increased acceleration and improved fuel economy.

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