Mercury Verado 2. HP Outboard 2. 01.
Engine Test / Reviews Videos, Specs, Fast Facts, Captain reports. The inline- 6 Mercury Verado 2. That means the engine can produce snappy mid- range acceleration and plane at a lower speed. Its unique overhead cam design means that the valve train does not need maintenance for life, and Mercury claims to use more anti- corrosive stainless steel components than any other brand.
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Its four elastomer cradle mounts reduce vibration and noise. Mercury Verado 2. HP Captain's Report A Verado line of 4- stroke engines that are very different than other brands. Why Verado Is Different When designing the in- line 6 Verado outboards - - 2. Mercury engineers decided to create an engine that would be more durable than anything else on the market.
Further, they wanted to address the problems that boaters historically have had at high altitudes with sluggish engines. A Better Mouse Trap.
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In order to do all of that, obviously Mercury could not simply replicate conventional outboard 4- stroke design and expect anything much different to be the result. It had to engineer a completely different approach to a high- horsepower outboard engine. At the same time Mercury engineers naturally wanted to create an engine with reduced vibration, noise, emissions and fuel consumption.
![25 Hp Mercury 2 Stroke Weight Loss 25 Hp Mercury 2 Stroke Weight Loss](http://i.ebayimg.com/images/i/400588411646-0-1/s-l1000.jpg)
Using conventional 4- stroke technology as the benchmark, Mercury engineers set to work to improve upon existing products. The result was the Verado, an engine introduced in 2. What follows is an in- depth look at what, in our opinion, is one of the most sophisticated outboard engine on the market. The Verado Series is designed for both superior performance on hot, humid summer days, at altitude and also a long, useful life. Advanced Mid- section AMS to Reduce Vibration.
Mercury Corrosion Protection System. The Smart. Craft Digital Throttle & Shift (DTS) System.
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Water- cooled Oil Heat Exchanger The 2. Verado is intended for both single and multi- engine applications. The engine is intended for both freshwater and saltwater use. There is nothing quiet like it on the market.
Propane is used in a number of applications, the most common being a heating fuel. While the Houston heating season is limited, our location, size and industrial.
In order to eliminate the chances of hitting bottom with an outboard motor, the motor can be tilted up to an elevated position either electronically or manually. Boatinfo requires FlashPlayer 9 or newer to display this document! MODELS Mercury/Mariner 4 · 5 V 6 (4-Stroke) Starting Serial Numbers 0R000001. OÜ Stykel was founded 11 years ago but we have a 18-year-old experience in producing firewood. We are a loyal partner to out clients and business partners. Four CA Regional Agritourism Summits in February & March. The University of California Small Farm Program and UC Cooperative Extension advisors in four California.
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- Currently have a 250XS on a 22. My best prop is a Pro ET 28 Lab Finished, spinning at 6200.
- HP: Year: Serial Number Range: Model: Pictures: 150: C239553 - Up: WMH-1, 2, 3B, 5, 7, 8, 8A, 11A, 12, 12B, 13, 13B, 14A, 15, 16, 18A, 21, 22, 23, 24, 25.
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The new gear case together with its advanced anti- corrosion aluminum alloy and painting regimen, and extensive use of 3. Series stainless steel, arguably makes it the best- prepared engine for the saltwater environment. There are only two ways to do that: 1) increase the size of the combustion chambers; or, 2) . Instead of producing power through the sheer volume of displacement, Mercury engineers chose to minimize displacement and the large pistons and rods that go with it by using a . Big bore engines with big pistons have lots of moving mass that causes vibration and greater stress on metal parts.
![25 Hp Mercury 2 Stroke Weight Loss 25 Hp Mercury 2 Stroke Weight Loss](http://www.boattest.com/images-gallery/photos/mercury_250verado-cutaway.jpg)
A rule- of- thumb in industrial design has long been that smaller pistons mean less vibration and less stress on internal components. By embracing this concept the Verado design can provide increased durability and long- term engine reliability. Less Mass is a Good Thing. The displacement of the 2. Verado is only 1. But how to get more power from a smaller engine?
![25 Hp Mercury 2 Stroke Weight Loss 25 Hp Mercury 2 Stroke Weight Loss](http://www.boattest.com/images-gallery/photos/mercury_225_test3.jpg)
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What . Naturally- aspirated engines at sea level suck air into the combustion chambers at normal atmospheric pressure which is 1. By adding a supercharger (sometimes called a . The supercharger (C) on the Verado is mechanically powered by the engine's crankshaft which makes it effective even at relatively low rpms. This process is regulated by the Electronic Boost Control System (B) up to 2. In conjunction with the supercharger, there is also an intercooler (D), which reduces the temperature of the compressed air prior to entering the combustion chamber. The Electronic Boost Pressure Control (B) regulates the amount of compressed air going into the combustion chamber depending on ambient temperature, humidity, barometric pressure, and altitude - - thus delivering consistent performance with very little horsepower loss over a naturally aspirated design across a wide powerband. Summer Temperature Map NOAA temperature map of the U.
S. As a result of this sophisticated system the Mercury Verado can deliver maximum horsepower in a wide range of conditions. That means that an engine rated at 2. According to Mercury, the supercharged Verado 2. This makes the Verado an ideal engine to have during the summer when ambient temperatures can reach and exceed 1. F (3. 8- degrees C).
Even a 9. 0- degree day at 8. U. S. Altitude Map Map by the USGS showing altitude by color gradient. White lines are states, the black lines are rivers. Likewise, the thinner air at higher altitudes robs horsepower from all naturally aspirated engines. Further, during the summertime even at high altitudes there is usually some humidity. Using the SAE standard of 7.
F and 2. 9. 2. 34 inches of mercury and a humidity of 3. But the story does not stop there. The Verado 2. 50 was made to order for wakeboarders in the south on a hot summer day.
Because of the supercharger the Verado has strong low- end torque for fast hole shots and power to raise a heavy skier quickly. Skiers and wakeboarders on hot summer days - - particularly at altitude - - have the torque needed to quickly get on plane. Distinguishing Features Mercury 5. Verado 2. 25/2. 50/3. HP outboard engines.
It provides increased effectiveness for the props when running at high speed offshore. Specific Improvements. The torpedo housing of the 5. The shafts have longer taper for improved durability and added pinion gear support. The bearings are heavy duty with a rear bearing pack with higher load capacity. The bearing carrier is 1. Sea. Core- type anodization for added strength and corrosion resistance.
Old Clutch Dog The new, improved clutch dog has been changed in five major ways. Taken together Mercury techs tell us that they estimate that the 5. Historically outboard engines in saltwater have suffered from corrosion. When electrons flow through dissimilar metals the weaker metal is eaten away or corrodes. Outboard engine blocks, cylinder heads, gear cases, drive shaft housings and swivel brackets are made out of an aluminum alloy by all manufacturers.
But all aluminum alloys are not the same. Low- Copper Alloy is Key. The low copper content aluminum alloy used in the Mercury Verado 2.
XK3. 60 aluminium- silicon alloy, while the block and heads are of a A3. Mercury is one of the three manufacturers in the world who utilize this process. Having made the metal more corrosion- resistant, Mercury has developed its own process of coating the metal to keep saltwater from touching it in the first place. The photos below illustrate the measures taken and the materials used. Next the units are dipped in EDP electrically- charged primer that provides complete coverage and seals out the environment from the metal.
The gear case torpedo units are bathed in Irridite, a chromate conversion coating typically used on an aluminum substrate parts in the aircraft industry. This sealant is used to be a passivate for the aluminum, copper and manganese in the housing alloy as well as to be a primer. The units are then put through what is called the EDP process.
Robots spray the housings with powder coating material which is electro- statically charged for adhesion. Finally the gear case housings are sent through an oven that bakes on the powder coat for hardness. Only Mercury coats the interior water- cooling passages in the powerhead and its wet exhaust passageways with a special . Mercury is the only outboard engine maker we know of that flushes the powerhead wet exhaust using a process such as this. Mercury Verado Has More Stainless Steel. Stainless steel alloys resist corrosion, maintain their strength at high temperatures and are easy to maintain.
Stainless steel alloys are used predominantly in the automotive, aerospace and construction industries. But all stainless steel alloys are not the same. Only 3. 00 Series stainless steel is used in Verados. To our knowledge no outboard manufacturer uses more or better stainless steel in this engine class. Some outboard manufacturers use 4. Series stainless steel which does not have as high a degree of corrosion- resistant properties as does 3. Series, but is suitable for household decorative items, appliances, among other things.
Three of the four mounting units can be seen in the image above. Vibration Inhibitor: Mercury's Advanced Mid- Section All powerheads no matter how well designed cause vibration. The powerhead is connected to four oversized, calibrated, elastomeric mounts which are designed to isolate and cancel vibrations. The mounts in turn are connected to the cradle which is attached to the outboard engine bracket. The bracket is clamped to the transom.
When the engine is at idle or low rpms, the mounts are soft, but as rpms increase the variable- rate mounts become progressively harder. In both cases the vibration is isolated in the cradle and very little of it is transmitted to the boat. The result is a smoother riding, quieter boat.
The cradle- mount AMS unit seen above sets the engine powerhead 5. The shim fits between the valve stem and the lobe on the cam shaft, moving the valve open and closed as the cam shaft rotates. Maintenance- Free Valve Train for Life.
Importance of Shim Clearance. Six- cylinder DOHC engines (including all 2. Typically before 5. Symptoms of the lash getting out of spec are using oil, loss of performance, increased noise, or a slightly different engine noise.
It is not surprising that many people put off this . The reason that re- shimming is delayed or avoided is that it typically costs $1,0. Re- shimming is a time- consuming and tedious job. As far as we know, the Mercury Verados are the only outboards that do not need to be re- shimmed.
A computer reads the clearance needed for each shim and one of 3. See the Mercury video of the manufacturing process. Computer Technology for Clearance Calibration. During the manufacturing process a computer precisely measures the shim clearance (which is typically about 1. Mercury's steering is more like that of a high- performance sports car rather than like the .