Boat Safe suggests the following. Use the paper towel to wipe your fingers. You should rub the oil on the stuck lightly between your thumb and index finger and feel for any foreign particles which could indicate contamination or metal parts failures. Of course, there are other things that can affect motors lifespan.
There are several different factors that can affect a motor other than maintenance and care. Things like the brand of the motor, the gas type of the motor and several other facts weigh in. Many different boaters have different things to say about which ones are better and last longer. But, that is a personal decision to be made. Here we will go over what some people are saying about these factors, but personal research will have to be done so you can find the outboard motor for you. There are some very reputable brands of motors, but each has its benefits and drawbacks.
For example, on the discussion board Marine Engine several people started discussing how many hours they got on their Honda outboard. Many people were pretty split. Some people were very pleased with what they received while others had problems from the get-go. On the forum, one member said the following. Gotten very little service always needs repair. Replaced a evenrude with a 90 honda, wish I had not. Better luck to you than I have had.
This, of course, is only one brand example. When looking for an outboard brand that will last be sure to do plenty of research.
Boat Safe goes on to talk about the difference between gasoline outboards and diesel outboards. Gasoline outboard motors usually can serve for a solid hours when taken care of on average. At hours it will start to exhibit the small problems that often start occurring from old age. As for a diesel outboard motor, they last about three times as long as gasoline outboards, coming in at about 5, hours of service.
If dedicatedly well maintained, some can work up into hours of work. If you were to boat hours a year, that motor would serve you for 40 years. According to Boat Safe , diesel motors have a better tolerance than gasoline, accept harsher conditions, but are extremely more expensive. Even old beat-up motors can fun a long and fulfilling life if properly taken care of. There are several ways that one can prolong the life of their motor.
On one blog website, Outboard Motor Oil Blog , they discuss different things that can be done to get the most out of your motor. Some of these things include winterization, regular maintenance, proper mixtures, proper storage, etc. Just as your boat needs to be winterized, so does your motor. If it is not winterized, often the cold can cause any water left inside the motor to crack or bust parts of the motor. Look for a winterizing instruction list in the owners manual of your motor.
You will need the following in order to winterize your motor. Without this correct mixture, the motor fades and wears down much faster than if the correct mixture is used. Maintenance is also such an important thing to take care of if wanting to prolong the life of your motor.
If maintenance is kept up with the boat is it less likely to have major problems later. On Discover Boating , they list out a few things that need to be done to keep up with outboard motor maintenance. The following list is a list of things that need to be maintained and checked after every single trip. Not only does this prolong the life of the motor but it provides preventive measures against bigger problems.
It may be warm, but it shouldnt be hot. If the output is not strong, you may have some debris stuck in the outflow tube. Immediately shut down the engine to prevent any overheating and damage. Insert a small piece of wire into the flow tube and work it back it forth. Start the engine again and check the output.
They provide us with the following list of things to keep an eye on. I am a California native and I enjoy all the outdoors has to offer. My latest adventures have been taking the family camping, hiking and surfing. Teardrop trailers are some of the smallest campers around.
Skip to content Whether you have an old boat and old motor or you have a new motor, it is important to know how much your outboard motor will give before it gives out. Electrical Problem If there is a problem with the outboard, an electrical problem is a common suspect. Dead battery. Check throttle position, and that all battery connections are tight and corrosion-free.
Although diesels can add considerable cost to a boat, they should be seriously considered because of their durability, economy of operation and safety concerns. Diesel fuel has a much higher flash point than gasoline and does not present the same threat of explosion that gasoline fumes carry. Engines like to run long and steady. The shorter the running time between stops, and the longer the idle time between runs, the fewer the hours they will deliver before needing major repairs.
The adverse conditions under which marine engines operate have a great deal to do with their longevity. What they really need is rarely what they get. Naval architects recommend that engine compartments should be supplied with lots of dry, cool 50 degrees F , clean air. The very minimum fresh air vent area in square inches for natural ventilation without blowers is found by dividing engine horsepower by 3.
Two of the most important rules of thumb for engine compartment blowers on gasoline engines are that they should always be set to exhaust, not to blow air in, and they should be run for a minimum of 5 minutes before starting the engine. Two indicators that can alert you to potential trouble are the color of exhaust smoke and changes in the appearance of your oil when you check it.
Exhaust gases from marine engines should be clear. Any color of smoke can warn you of potential trouble. Skip to content. The Life Expectancy of the Marine Engine. Black smoke is the result of engine overload, a restricted air supply, or a malfunctioning fuel injector in the case of a diesel engine.
Improperly burned particles of excess fuel are blown out the exhaust. This will give you a reliable record of the engine hours. Boat hours generally translate to between 10 to 30 miles per one hour of use. This does not mean that your boat travels 10 to 30 miles per hour, but instead looks at various factors.
When calculating miles on a car, it is simply the miles traveled, but for a boat, it is much different. When calculating boating hours to miles, you need to take into account the range of boat speeds. Going slow for many hours may not be many miles, but it is a strain on the engine.
If you consider the average boating season yields 50 hours on your motor, then you would be adding the equivalent of to 1, miles onto your engine. This is often why an oil change is recommended every season or even sooner with greater use. Often, when you are picking a motor for your boat, you will be looking at an outboard motor. This is because inboard motors often come equipped with the boat you are purchasing. If you purchase a new boat, you might be able to upgrade your inboard motor to a higher horsepower or nicer model, but otherwise, you will get what is already equipped.
Your boat should have a capacity plate, or recommendation, for motor size, appropriate horsepower, and total weight limit for your vessel. The higher the horsepower, the more expensive the motor.
If you do not need the horsepower, you can save yourself some money by opting for a lower horsepower option. The weight of your motor is also important when deciding which one to buy and equip. The shaft length should match the height of the back of your boat. You should measure from the bottom to the top in the middle of the stern. An inch or so of a difference is not a big deal, but you will want to make sure you are as close as you need to be. Failing to choose the right shaft length may impact how long your motor will last, as it might wear it out too quickly.
Both gasoline and diesel motors can be either outboard or inboard, but there are other considerations to make. As mentioned above, diesel engines generally last longer and have a higher lifespan than gasoline engines.
Diesel engines generally run for a couple thousand more hours than their gasoline counterparts. Diesel engines also generally have more horsepower than the typical gasoline engine. They are also more efficient due to the type of fuel. Diesel engines, however, are more expensive and heavier than gasoline engines. They are also louder than gas engines. It is not necessary to have a diesel engine for your vessel. Despite the higher horsepower and additional longevity, getting a diesel engine is not always what is needed.
Gasoline engines are getting better every year, and their lifespan is continuing to grow. They are also making great strides in reducing emissions and making them more fuel-efficient. Your boat also might not need the amount of horsepower a diesel engine provides, and you should not buy a motor with more horsepower than your boat can handle.
Not only will it be more expensive, but it can cause great risk for your boat, your motor, and even your passengers. First things first, you want the motor to be clean. If the motor is not clean, it is safe to assume the previous owner did not properly care for it.
You also want to pay special attention to gunk or grime deposits. Not only do these indicate motor neglect, but it could also be evidence of ethanol contamination on a gas-powered engine. Most gasoline fuels that are made today use some amount of ethanol in them. Marine engines were historically not designed to run on this type of fuel, and non-ethanol marine fuels are not always available. As a boat owner, you will want to make sure if you are not buying ethanol-free fuel, add the proper additives to lessen any possible ethanol problems.
You also want to test the used motor and make sure every aspect is in working order. Check for signs of smoke, excessive noise, or vibrations. One major factor in engine life is whether or not the engine uses diesel or gas.
To keep your engine from wearing out, you will need to make sure you change the oil at the proper intervals. This recommends oil changes for standard use. If you are traveling and have a hefty load, dirty air, or high temperatures, you will want to consider changing the oil more often.
If this is not the case, there is no benefit to changing your oil more often than is recommended. But do change it at least once per year. Rough operation techniques can include extended low-speed operation, incomplete burning of fuel, or weighty loads. You can also consider using synthetic oil.
Synthetic oil often lowers wear rates compared to petroleum oil. It is hard to say how much this extends engine life, but it should help. If you keep your boat somewhere where the weather gets cold, you should drain and refill the oil before the boat is winterized.
When you start your boat back up in the spring, you will want to make sure you let the engine idle to recirculate the oil. Since the oil has probably settled, you will need the oil circulated back through the system.
When you change the oil, make sure you change the filter as well. You should keep track of the date you change the oil and filter, so you know when you need to do it next.
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