Two Stroke Versus Four Stroke Engines

Two Stroke Versus Four Stroke Engines

When it comes to outboard motors, there are two essential categories: two stroke and four stroke. Both of these engine types have advantages and disadvantages, and the choice will depend on how you intend to use your outboard motor. For example, two stroke engines accelerate more quickly, and are faster. Two stroke engines are also often cheaper and tend to withhold their value during resale. Four stroke engines provide a smoother ride and are more economical. Because they move slower, four stroke engines are quieter and also cause less harm to the marine environment.

Four stroke engines are a bit newer in the market, and thus improvements are still being made frequently. Also remember with both kinds of outboard engines, you will need to special Evinrude oil, which is formulated for both two stroke and four stroke outboard motors.

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Reducing Outboard Engine Smoke

Evinrude-XD50-outboard-oil

If you happen to own an outboard motor that suffers from excessive engine smoke, switching to a synthetic oil can help to make a significant reduction in the appearance and production of smoke. Synthetic oils like the evinrude XD100, and the evinrude XD50 oil run cleaner than mineral oil. XD100 oil is a full synthetic that will cause the most dramatic reduction in smoke, however the downfall is that it is more expensive. XD50 is a hybrid synthetic that combines mineral and synthetic oil, it costs less than XD100, and will still help to reduce smoke.

Once you’ve switched to a synthetic oil be mindful that you cannot switch back to a mineral oil. Synthetics seal the engine with their own particles, and should those particles dry out, the engine can crack.

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Oil Leaks in Outboard Motors

Evinrude-XD50-outboard-oil

When you turn on your outboard motor in or out of the water, you might notice a small amount of oil dripping out. Despite the implications of a busted engine, this doesn’t often spell disaster. When you haven’t used your outboard motor for a few months, or throughout an entire season like winter, there will often be a few drips of Evinrude outboard oil, or whatever brand you happen to use. It should stop dripping after running your outboard motor a couple times. If the problem persists, it could be an indication of a real problem.

Though the diagnosis can differ, your problem could be a leaking gearcase, or it’s possible that another essential component has a leak. Unless you’re comfortable with maintenance, it’s best to take the outboard motor to a professional at that point.

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Water-Cooled Engines

water cooled engine bike

There are so many different types of engines out there that it’s a challenge to remember how each one operates. So next time you’re filling your water-cooled engine up with Evinrude xd50 oil you may want to consider that because engines create so much heat during the combustion process they need to be cooled often. Water is much better at conducting heat than air. Water-cooled engines can often be found in motorized bikes.

Here’s how a water-cooled engine works: A water-tight jacket fits around the head and cylinder of the engine to carry heat away from the heart of the engine. The water is then circulated through the tubes in a loop from the cylinder to a radiator, where the water is cooled by air. The water then returns to the engine to pick up some more heat.

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Don’t Forget To Check Your Oil

evinrude oilWhen purchasing a new car it’s important to know about car maintenance. Understanding the basics of car upkeep will allow your car to run longer and cost you less money in the long run. The best way to start is by understanding your car’s maintenance schedules. Recommended maintenance routines will be outlined in the car owner’s manual.

One of the most important parts of car maintenance is making sure your oil is at a decent level. You can do this by manually checking the oil level. You’ll need to open up your car’s hood and find the dip stick. After you’ve located the dip stick, pull it out and use a clean cloth to wipe it off. Next, dip the stick back in the tank; upon pulling it out you should be able to see whether or not you need to add oil. If your oil is low use a high-quality product, like evinrude oil, to fill it to capacity.

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TCW-2 Oil and Older Outboard Motors

TCW-2 Oil and Older Outboard Motors

Owner’s manuals for outboard motors made in 1992 or prior used to state that premium fuel was required for proper operation, because during that time, premium outboard motor fuel was manufactured containing additives that minimized the formation of deposits inside the engines. During those years, the best oil available was rated at TCW-2 and did not contain the detergents and carbon preservative ingredients that marine engine oil such as XD-30, XD-50, and XD-100 does today. The federal government ruled in the late 1990s that all grades of fuel were required to include identical additive ingredients, and the premium fuel requirement for outboard motors was discontinued.

If you still have some TC2-W outboard motor oil, it can still be used in a motor from 1992 or before. If you choose to use TC2-W oil in an older motor, Evinrude recommends addition of a product such as Carbon Guard to lessen carbon deposit formation. Be aware, however, that using TCW-2 oil in a motor that requires TCW-3 oil will void your warranty should any oil-related malfunction occur.

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Got Evinrude Oil?

Got Evinrude Oil?

If it is a new motor, and it is attached to a new Evinrude boat (or a new-to-you boat), congratulations! You may have a question or two about the best care and feeding for this fine machine. For instance, if you are dealing with a two-stroke Evinrude motor, you may be wondering what kind of oil to use. Their suggestions are XD30, XD50 and XD100 oil for two-stroke motors that are 1993 and newer. When it comes to the grade of Evinrude outboard oil to use, 87 octane is the current minimum, but 89 octane is actually preferred. Use of higher-octane fuels have not proven to provide any additional benefit, and may actually exacerbate hard starting conditions in hot weather.

If you are wondering about the proper ratio of fuel to oil for optimal performance in your Evinrude motor, a breakdown given on the company website is as follows: 1958 and prior used 20 parts fuel to 1 part oil; 1959-1963 used 24 parts fuel to 1 part oil; 1964 and newer use 50 parts fuel to 1 part oil. High performance racing usage requires a ratio of 25 parts fuel to 1 part oil. Finally, when it comes to gearcase oil type and capacity, refer to your owner’s manual for specifications.

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History of Outboard Motors

History of Outboard MotorsThe creation of the first practical outboard motor is often credited to Norwegian-American inventor Ole Evinrude in 1909.

Historically, a majority of outboards have been two-stroke powerheads fitted with a carburetor due to the designs inherent simplicity, reliability, low cost and light weight.

In the 1990s, U.S. and European exhaust emissions regulations led to the proliferation of four-stroke outboards. Though fewer in number, four-stroke outboards have always been with us.

Outboard motors benefit from the ability to draw coolant from the water, obviating the need for radiators and cooling fans, thereby simplifying the design and lowering component weight. The motors also have several brands (i.e. Yamalube, Mercury and the creator’s namesake, Evinrude) of oil to choose from, giving the consumer a seemingly infinite amount of options based on their needs.

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An Evinrude Testimonial

Evinrude oilIf this is your first season as a boat owner, you may be overwhelmed by the numerous brands and products out there to outfit your boat with. You’ll also no doubt be familiar with how to do basic maintenance on your boat. When it comes to engine oil, you’ll find that you have several choices, yet I would recommend Evinrude.

Evinrude oil will allow your boat to run well and will not cause any type of engine problems. It’s easily one of the top brands out there. Check it out for yourself and see how it fares this season.

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Shopping Around

YamalubeAs the specter of high oil prices looms throughout the summer, you can still find discounted boat oil online. Though many brands have slightly increased their prices, the internet has been a great resource of low priced oil. Name brands such as Yamalube and Evinrude can still be purchased at a low price, especially when compared to other retailers.

Do some research and you’ll no doubt find a great deal.

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Evinrude: Reliable as Can Be

Evinrude: Reliable as Can BeAccording to an informal poll on Yahoo, Evinrude motors are among the best motors in terms of reliability, fuel efficiency and horsepower. As is such, you may consider trying out one of their motors for the summer season, perhaps even using Evinrude oil to make sure that you get the full-on experience.

One of the users reported: “[Evinrude] runs stronger, cleaner, and more efficient than any other 4-stroke.” While most of the comments bad mouthed other brands, Evinrude was among one of the brands that had consistently positive reviews.

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Good Stuff

Edible Motor OilI wouldn’t dare try this with Evinrude Oil!

“Duane Johnson may have developed the world’s cleanest motor oil. He is so sure of the safety of his product that he submits it to an unusual test: he eats it. “When I go to meetings and have an engine running on this stuff, I’ll pull the dipstick out and lick it.” Petroleum-based motor oils cause a significant amount of the pollution a car releases, says Johnson, an agronomist at Colorado State University. His motor oil, made from canola and other vegetable oils, not only produces no air pollution of its own but cuts overall engine emissions by up to 30 percent.

Johnson’s motor oil is easy to make. He heats canola seeds and then crushes them to release the oil. He then mixes in small amounts of other oils, including sunflower, soybean, and castor oil to get the right consistency. “This is tabletop technology,” he says. “We use a paint mixer to mix it and it’s ready to go.” ”

–From Discover Magazine 08-01-1998

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