engines running cleanly. Owners of yachts powered by today's diesel engines ... , and clean running come precise tolerances and computerized engine controls that need care and feeding ... you to keep it that way. Many engines emit far fewer harmful gases in the engineroom now thanks ...

, and delivers the goods. Diesel engines don't have sparkplugs. Instead, cylinders ... in recent engines. MAN's 12-cylinder marine diesel, for example, once produced 1,200 horsepower. Electronic ... .man-mec.com ). Even on an older diesel, that moment of fuel injection defines how well the engine runs, how much fuel ...

Proper filters keep your engine glistening on the inside, too. Your yacht's engineroom is pristine. The engines ... pressures, is how clean your engines are on the inside. Fuel, oil, and air filters keep them that way ...

're finally headed out on that long-awaited cruise, but two hours into the trip, one of your engine ... 's engines aren't marginal, like they often were in the '70s and '80s. If you're servicing them every two ... marine diesel engines cool themselves by circulating antifreeze through the engine and then circulating ...

is the installation of backfire flame arrestors on inboard gasoline engines. These devices attach to the carburetor or throttle body atop the engine, where an air filter might normally be on a car engine. They function ... boats for decades. If you have inboard gas engines, make sure you have a flame arrestor in place on each ...

engines-or worse. For thousands of years, boaters relied on wind to get ... . Or did it? A pair of 1,000-horsepower engines draws 4,000 cubic feet of air per minute through their cylinders, necessary both to burn fuel and dissipate engine heat. Without a clean, cool breeze coming ...

are blocked. He also advises against towing jet boats. “It forces water into the engine,” Bohne says. “That’s a $15,000 mistake.” Ethanol-blended gasoline is also causing expensive engine repairs. “I ... penetrations that could leak water in. For trouble-free tenders, he also recommends changing engine cooling ...

Keeping engines and shafts in line is often the key to a smooth ride. Advances in hulls, engines, propellers, and even acoustic ... aboard 100,000-pound yachts traveling 30 knots. But the shafts, struts, and bearings that tie engines ...

-forgotten-transmission might leave you spinning your wheels. I am often asked about engine ... , they may leave a working engine with no way to transfer power to the propeller. A transmission problem can be devious: When an engine fails, the propeller stops spinning, but a neglected transmission could lock ...

available which include spare engine parts for long-term cruisers." Every tender Nautica sells comes ... . While we recommend following your engine manufacturer's maintenance regimen, we've found that tenders ... -injected two- and four-stroke engines are, for the most part, difficult for an owner to maintain properly. Keep ...

that dinghy batteries are charged, engines start, and drain plugs are installed before launching. Engines ... a new spark plug. If the boat was stored without running stabilizer through the engine first ... trouble, idle the engines and select a course that won't roll the peanut butter out of a jar ...

is rough, but not so rough that you'll stay at the dock. About an hour into your cruise, an engine suddenly shuts down. You limp into the nearest port and, after careful consideration by an engine specialist ... have shut down both engines. And from that moment forward, you decide that fuel management will become ...

at the various systems-from the electrical systems to the engines to the helm electronics-and examining them ... with Koehn and partner Doris Phillips in the engineroom. Phillips, an electrical engineer, is also Koehn's fiancée and the duo were in the process of rewiring the original mechanical Detroit Diesel 671NA engines ...