|Type of Engine||2-Stroke|
|Weight (lbs/kg)||418.00 lbs / 189.60 kg|
|Displacement (cu/cc)||158.00 cu / 2,589.16 cc|
|Shaft Length Options||20'', 25''|
|Alternator Output||133 A|
Report by Capt. Steve--
The mission of the Evinrude E-TEC 150 is to provide a 2-stroke engine, and the resulting fuel savings, while still adding many features that boaters are coming to expect from today's technology.
Coming up with distinguishing features for any of the Evinrude E-TEC models is fairly easy as they offer some distinct advantages not found in their 4 -stroke counterparts. These are features such as…
•No dealer scheduled maintenance--For three years or 300 hours, whichever comes first, there is no scheduled maintenance. For some recreational boaters that can take up to five years.
•No break-in required--The computer controlled engine knows how many hours are on it, and automatically doubles the oil distribution to the cylinders for the break-in period. Once an appropriate amount of hours have been put on the engine, the oil distribution reverts to normal levels. The consumer takes no action.
• No crankcase oil to change--The days of mixing oil and fuel and two-stroke engines are long gone. And with Evinrude E-TEC -- no oil changes at all. Just fill an oil tank and let the engine distribute it, and combust it, as needed.
•Auto winterization--The engine fogs itself automatically in minutes with no trip to the dealer. Boaters in the northern latitudes will especially appreciate this as they can winterize their engines and still be able to take advantage of a winter warm spell and get out on the water again, and then just as easily re-winterize the engine.
•Fewer parts--The Evinrude E-TEC 150 has 195 fewer parts than a typical four-stroke outboard. That means no valves, springs, belts, camshafts or pulleys to adjust or replace.
•Lighter weight--The Evinrude E-TEC 150 weights just 418 lb. (190 kg.) and is one of the lightest 150-hp outboards on the market either 4-stroke or 2-stroke. In fact, one of its competitors weighs nearly 15% more. That means faster hole shots, more efficiency and better handling.
•Bigger alternator--The Evinrude E-TEC 150 puts out 133 amps total, the highest in class. That means more power to run accessories and less drain on the battery.
• 3-year, 300-hour spark plugs--Evinrude uses advanced iridium plugs which have a longer, more efficient spark, and give more hours of service than conventional plugs.
While the technological features are numerous, they do little to impress the end-user. Boaters don't care about injector droplet size or EMM controls in milliseconds. Thankfully the folks at Evinrude do, and it's thanks to these technological advances that its engines are so reliable. But let's focus on the advances that directly affect the end-user and the boating experience.
The Evinrude E-TEC 150 uses a system Evinrude calls I-CON. A digital throttle control sends a signal to an electronic servo that is in turn connected to the shift and throttle linkages. The result is a gentle control for both shift and speed. This is a great feature as boaters won’t experience cable stretch or linkage problems affecting their control travel. A whole host of features can also be added to the control system. Items such as auto sync and cruise adjust are just simple presses of a button.
The digital world that this engine lives in also comes into play with the I-Command gauges. They’re multi function and totally customizable.
The Sound of an Evinrude
Evinrude engines make a very distinct sound, and a lot of engineering goes into generating that sound. The upper and lower shrouds work together to form soundproofing based on the needs of the horsepower and the output of the power head. Instead of having air and sound flow directly into, and out of the enclosed engine, Evinrude engineers a complex route, and by bending the sound waves they are able to produce that trademark Evinrude sound.
Take for example the upper shroud. Air travels in from the back of the shroud and makes and 90-degree bend to travel down, and then up again. This brings air in, but prevents much of the sound from getting out, producing a quieter engine. It also prevents water from entering the engine shroud.
The lower exhaust port is in the shape of a "V" causing the exiting sound to make a series of 180-degree bends which again, serve to tune the sound. It's a small feature to be sure, but one that makes the Evinrude E-TEC produce a very distinctive sound as the boat flies across the lake.
Approved for Saltwater
While nothing can eliminate corrosion in metal parts when combined with warm salt water, Evinrude has gotten on the stick to slow it to a crawl so that it takes a longer time to show itself. The company's engineers tell us that their anti-corrosion approach is a four-part process.
1. A Lyfinite treatment – this is a trademarked process and Evinrude owns the trademark. It puts the first protective coating on the metal components.
2. EDP – Electro Deposition Paint – this is based on the fundamental physics principle that opposites attract. The metal parts are charged with direct current and then immersed in a bath that has oppositely charged paint particles in it. This allows every corner, crack, and crevice to have a continuous even coating over the entire surface of the part.
3.Primer is then added.
4.Finally the finish coat.
In addition, sacrificial anodes (zincs) are added and their job is to deteriorate before any other metal components. They literally sacrifice themselves and are easily replaceable by the end-user. Lastly, all of the fittings are stainless steel, there's no nickel-plated steel anywhere in the engine. Walk up to a competitor's engine with a small magnet and count the number of fittings that you can get the magnet to cling to. Worse, in most cases these fittings are simply painted over.
Electric trim is not new on outboards, but it's a convenient feature to have. Recognizing that boats come in different shape and sizes, the Evinrude E-TEC 150 comes with a trim limiter switch that is easily adjustable by the owner. This limiter switch will automatically stop the trim function once it reaches a preset limit.
Well Grounded Design
In addition to using Iridium spark plugs which provide a longer and more efficient spark, Evinrude E-TEC spark plug wires are covered with a metallic shroud and the wires lead to a common ground. In this manner, ignition noise is prevented from reaching the electronics at the helm, a pivotal consideration for reducing noise in high-end fishfinders.
The ignition system includes two major components. The injectors (in the image below, arrow to the right) are electronically controlled and distribute precise amounts of fuel into the cylinders for better performance, and better fuel economy whether idling for extended periods or operating at cruise or max speeds. They work by pulsating, much like a stereo speaker to provide exact fuel amounts based on the throttle setting. The "IDI" (left arrow) -- or fast rise inductive ignition -- works in conjunction with the injectors to provide better economy and smoother running engines. They also cause the spark plugs to ignite longer rather than more often, greatly extending the life of the plugs.
This fuel induction system is one of the components most responsible for Evinrude E-TEC's fuel efficiency and performance and it is the envy of many engineers in the industry.
Oil Injection System
With Evinrude E-TEC, boaters simply fill an oil reservoir and let the engine manage its own oil supply. With Evinrude E-TEC the engine management system automatically recognizes that the engine has been operating for a lower amount of hours and correctly pumps the additional amounts of oil to the cylinder sleeves. Once the proper break-in period has past, the oil distribution reverts to its normal levels all without the operator having to take any action.
Additionally, because the system puts precise amounts of oil where it needs to be and when it needs to be, the Evinrude E-TEC burns significantly less oil.
Engine Management Module
The EMM or Engine Management Module is basically the brain of the Evinrude E-TEC system. It controls the oil distribution system which we've just discussed. Also, should the engine inadvertently run completely out of oil, the EMM will kick into a fail-safe mode allowing only a reduced power setting for up to five hours enabling you to still get home. Further, the EMM controls the electronic fuel injectors for precise fuel measurements and is also the connection point for the electronic helm gauges and easy diagnostic connections.
There is also auto winterization. Work the throttle twice with the key on and the EMM will add a minute and a half of fogging to the cylinders, thus winterizing your engine. And this can be done at any time. In other words, when a stretch of warm weather occurs in the winter, boaters can fire up their winterized engines and get right back on the water, and then re-winterized it upon returning.
Self-diagnostics But more importantly to the end-user, are the LED lights located on the side of the EMM. These indicator lights work in conjunction with a label at the top of the EMM to diagnose the engine in start up and running configurations. Being able to diagnose problems at home is a significant improvement as boaters don't have to go to a dealer to pay an hourly charge just to hook up a component to tell them what they may already know.
Evinrude E-TEC engines have one of the easiest to change filters in the industry. They come with a 10 micron fuel filter/water separator that simply unscrews much like an oil filter. This is a significant advantage for boaters that tend to be plagued with bad fuel.
The Evinrude E-TEC 150 creates electrical power from a magneto, the most reliable power-generating device on the planet. (That's why piston airplanes use them.) At the top of the engine is a flywheel with magnets underneath. Beneath the magnets are coils of wire. As the magnets pass over the coils they generate electricity.
In this manner the Evinrude E-TEC generates 133 amps of electricity, 50 amps dedicated to charging the batteries alone. It's the highest output charging system in its class. More importantly, this is done without belts or pulleys. And with 50 amps dedicated to the batteries alone, boaters are able to operate a significant amount of electronics at the helm without worry. Additionally, if the batteries go bad, the engine will still run completely free of any connection to the batteries. As long as the engine can be started, it will run on its own.
Now let's see how this Evinrude E-TEC performs. We tested this particular engine on two different boats. First was a deckboat with an empty weight of 2,300 pounds (1,043 kg) and a test weight of 3,318 pounds (1,505 kg). The Evinrude E-TEC 150 reached a top speed of 5500 rpm and 43.6 mph. At that speed fuel burn was measured to be 15.2 gph. Best cruise came in at 3000 rpm and 20.6 mph. That's the reduced the fuel burn to only 4.2 gph.
Hole shot. The Evinrude E-TEC 150 generated quick acceleration bringing the boat on plane in just 2.6 seconds, accelerating to 20 mph in 3.8 seconds and continuing through 30 mph in 5.9 seconds.
The second test was conducted on a pontoon boat with an empty weight of 2,295 pounds (1,041 kg) and a test weight of 3,013 pounds (1,367 kg). In this instance top speed was reached at 5650 rpm and 34.9 mph. Fuel burn was 15.7 gph at that speed. Best cruise was reached at 3000 rpm and 16.4 mph. That generated the fuel burn of 4.2 gph.
Clearly the bow configuration plays a big part of the performance. In both instances, the engine performed very well giving no delays throughout the speed range and provided instantaneous responses.
The Evinrude E-TEC system is not only focused on longevity, but also on more immediate direct benefits to the boater. Those are --
Money Saving Benefits: no scheduled maintenance for 3 years or 300 hours, no winterizing expenses, and fuel efficiency.
Performance Benefits: high torque for watersports and fast hole shots, lower weight which means less stern squat and better handling, and 133 amps of output to power more accessories and lower battery drain.
Coupled with the quality of the components, Evinrude intends their Evinrude E-TEC engines to be around for a long time, and that's good news especially to saltwater boaters who frequently have to repower.
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