It is difficult like a boat engine! Unlike its automotive cousins, a spead boat engine is given at higher than normal RPM’s and under a significant load when in operation plus it sits in storage lots of time. It’s sort of the worst of all possible. Today’s marine engines are made and unlike their predecessors, really experience very few mechanical problems if they are properly maintained.
Water Pump Maintenance – Most marine engines are cooled by their pumping of lake or ocean water into the engine from a pickup within the lower unit of the outdrive or outboard engine. This water is circulated with a push which contains a rubber or plastic impeller or fan which pulls the lake in the lake and pumps up via the river jacket of the engine to hold things cool. As you may expect, you’ll sometimes find impurities in the water or even the operator (someone else, I’m certain) that runs the lower unit aground along with the impeller accumulates sand, dirt or any other grit. These foreign substances wear on the impeller and frequently allow it to shred into pieces and fail. Also, if your engine is stored for nearly a year, sometimes the rubber of the impeller gets brittle and cracks up. In either case, it is just smart to proactively replace the impeller every 3-4 boating seasons. When the impeller fails while you’re running so you fail to notice the temperature rising, your engine can easily and quickly overheat and self destruct.
Oil Change – Marine engines are generally not run more than 60-80 hours per year and, therefore, do not require oil changes very frequently. Usually, it’s a wise decision to change the oil (and filter) once annually at the end of the season. In the event the old, dirty oil influences crankcase if the engine is held in the off season, it can turn acid and damage the interior engine components it’s supposed to safeguard. Naturally, 2 stroke outboards have zero crankcase and thus no oil to switch. On these applications, it certainly does pay to stabilize any fuel remaining in the tank and to fog the engine with fogging oil before storage.
Fuel Injectors – Most newer marine engines are fuel injected and, when fuel is able to age and thicken during storage, the fuel injectors can simply become clogged and may fail at the beginning of the summer season. To avoid this occurrence, it is just a good option to perform some fuel injector cleaner mixed to the last tank of fuel prior to the engine is defined up for storage.
Battery – With good care of your boat’s battery, it will present you with several years of excellent service. You should take care if you develop a voyage in order that all electrical components are deterred and, for those who have an important battery switch, make sure that it really is deterred. Whenever the boat is stored for virtually any prolonged stretch of time, battery cables must be disconnected.
Lower Unit Lubrication – The reduced part of your outdrive or outboard engine is full of a lubricant fluid that keeps all of the moving parts properly lubricated and running efficiently. The reservoir should not contain water within the fluid. The drive ought to be inspected at least annually in order that the drive is stuffed with fluid understanding that no water occurs. This is easy and inexpensive to accomplish.
Electronic Control Module – Modern marine engines are controlled with a computer call an ‘Electronic Control Module’ (ECM) which regulates the flow of fuel and air along with the timing with the ignition system. Another valuable purpose of the ECM is it stores operational data even though the engine is running. Certified marine mechanics have digital diagnostic tools which can be linked to the ECM to learn the functional reputation the engines in addition to any problems.
Anodes On the underwater portion of every outdrive and outboard engine, you will find several little metal attachments called ‘anodes’. They are generally made of zinc and therefore are built to attract stray electrolysis. This happens when stray voltage in the electric system of an boat is transmitted with the metal elements of the boat in search of a ground. The anodes can be sacrificial and absorb the stray current and gradually deteriorate. This process is magnified in salt-water. At least once per year, you can examine your anodes for decay and replace those who appear to have decayed greatly. Replacement anodes usually are not tremendously expensive and so they actually protect your boat from some serious decay of some very costly metal marine parts.
If the marine engine is properly maintained, it should provide you with numerous years of trouble free operation. It needs to be crucial that you one to know a professional marine technician in your area. There’s things, “An ounce of prevention will be worth a pound of cure”.
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