To the end user, this means there is less work for the engine to produce more horsepower and torque, which results in greater acceleration. Re: 30hp 2 Stroke or 4 Stroke it could be my accounting background if you have the option of spending $1700 vs $6500 and the only essential differences will be the noise (good) and weight (bad), i would take option 1. the etec will clearly be lighter than any 4 stroke in that hp range. Because 2-stroke engines are designed to run at a higher RPM, they also tend to wear out faster; a 4-stroke engine is generally more durable. The third instalment of our ground-breaking outboard engine testing program sees Mercury's Optimax 200 go head to head with E-TEC, Yamaha* and Suzuki. Just regarding the 4 Stoke vs 2 Stroke. As time has gone by the simplicity of these motors has diminished as the technology advanced. The VMAX SHO 115 4-stroke weighs only 171 kg (a rival to the 2-stroke at 177 kg), thanks in part to the absence of the 2-cycle oil and the oil tank. Also, read the latest reviews for the Honda 2. Engineered to deliver fuel efficient operation in a compact and light weight design, the DF50A has utilized many of the advancements that Suzuki has pioneered over the past decade. The 2 stroke 75 cost more then the 60 4 stroke,,The 4 stroke might not be as quite as the 2,but i can still have a convo on the boat while running and not have to yell. 2-STROKE VS 4-STROKE. I've checked other manufactures also (Tohatsu, Johnson, etc) and the 4hp-6hp have the same specs too. I gathered performance data on two engines - a Mariner Optimax 75 hp (two-stroke) and a Honda BF75 (four-stroke) from the web-sites of the manufacturers (I chose the Optimax because that is. The first three are 4-strokes. The significantly light weight of the New Yamaha F70 4-stroke outboard is remarkable, and yet at the same time it delivers some real grunt. The two-stroke had approximately three hours running on its side and weighed in at 93kg, and the four-stroke had the same running time and weighed 96. trol system and a Battery-Less Fuel Injection system that gives these outboards remark-able improvements fuel efficiency while maintaining excellent power and performance. But more maintence does come with a 4-stroke over your simple 2-stroke carb motors. When it comes to engines, two stroke and four stroke are classifications given to the internal combustion engines of an automobile. The pros of a 2 stroke vs a 4 stroke, according to some riders, include: quicker acceleration, weighs less than a 4 stroke, lower cost of maintenance and repair, power to get the job down and overall confidence in the bike's performance. Clean Used 2000 Mercury 200 HP EFI V6 2 Stroke 20" Outboard Motor. Both engines were Yamaha in the 40hp class. 5kts and 5000rpm, but ran out to 15. Our high-performance outboard motors provide the best acceleration. AMSOIL Formula 4-Stroke Full Synthetic Marine Engine Oils - 10w30 & 10w40 for gasoline outboard motors, inboard engines, PWC. Between the Diesel Outboard Motors and Gasoline Outboards. Recalculate columns 3, 4 and 9 as appropriate. I have read a lot of disappointing posts regarding the real thrust and hp output of these small four strokes. Page 1 of 2 - 70-90 hp four stroke outboard - posted in General Discussion: I am looking to upgrade my outboard on my 17 center console fishing boat. So much is being said about both types of engines, that it is worthwhile to take a closer look at the more delicate points of these two different types of outboards to get a better understanding of each one. 5 hp Evenrude/Johnson/Mercury. Notice: Undefined index: HTTP_REFERER in /home/baeletrica/www/8laqm/d91v. The stroke in an engine is the distance covered by the piston from top dead center to the bottom dead center. NMMA FC-W approved oil. For example, if you’ve spent $2500 on an old 3. Weight - 416 lbs. I have personally attended the debut of every major break through for Mercury Marine since the v-6 175 Black Max in 1975 – 76 at the Miami Boat show. Another important factor is that 4-stroke engines have a different requirement for 'stickiness' than 2-strokes do. If anything in the trail the extra weight keeps it planted. Powerhead has been rebuilt and has New Pistons, Rings, Wristpins, Rod Bolts, Gaskets, Seals, Oil Gear, and Water Pump. They are quiet but the 2 stroke is a work horse and a proven design. Subject: Mercury optimax 115 vs. I'm really not sure what all goes into the maintenance on a four stroke. So, my real question is : Whats the difference between the physical size of the bikes besides the engines, mainly the Frame, wheels, forks, suspension? For example a YZ125 vs a YZ250 4 stroke. Review stats like displacement, alternator output and much more. The offer price is just 1990 only. That being said, different engines have different power curves, and one might be ";peakier" than another. Hi Guys, I now have 130 hours on my 04 FXHO Cruiser. 2 stroke vs 4 stroke pros and cons We are looking to purchase a cart in the near future and our primary use for it will be crusing gravel roads, pastures, trails ect. I gathered performance data on two engines – a Mariner Optimax 75 hp (two-stroke) and a Honda BF75 (four-stroke) from the web-sites of the manufacturers (I chose the Optimax because that is. Page 2 MODEL AQ, AQSHO SERIES ASSEMBLY INSTRUCTIONS YAMAHA 200-250 HP, V6, 2 STROKE, 3. Now let’s compare brands. 6hp - 90hp all with 3 year factory warranty. So, my real question is : Whats the difference between the physical size of the bikes besides the engines, mainly the Frame, wheels, forks, suspension? For example a YZ125 vs a YZ250 4 stroke. Furthermore, oxides of nitrogen and hydrocarbon emissions for Evinrude E-TEC are similar, if not lower, than a four-stroke outboard. for money, outstanding power to weight. The cost effective choice seems to be a 6 hp 4 stroke Tohatsu/Nissan/Mercury at 55 lbs, or an 8 hp 2 stroke Yamaha at 60 lbs. In the last 4 years, fiberglass outboard registrations have increased +29. For example, a 115 hp Pro XS will pull as hard as a 150 hp 4 stroke when getting a slalom skier from deeper water. Sure they are a little heavier but nothing like they were when Yamaha came out with the RX-1. But more maintence does come with a 4-stroke over your simple 2-stroke carb motors. 4 Stroke HP. Mercury Racing since 1999. 9 Outboard Specs 9. Outboard fuel efficiency: 2-strokes vs. In a four. I've checked other manufactures also (Tohatsu, Johnson, etc) and the 4hp-6hp have the same specs too. 00 New Yamaha F9. It is widely understood that modern 4-stroke outboards are quieter, produce less vibration and create significantly less pollution. 3kts and 5700rpm at WOT. Comparison of 2-Stroke and 4-Stroke Outboards. CarBole Water Impeller for Mercury Mariner Chrysler Force 18HP 20HP 25HP 30HP 40HP 45HP 50HP 75HP Outboards, 47-85089-3. A 2 stroke can throw 2 x fairly easy 50m throws but a 4 stroke has to throw one MASSIVE 100m throw. Our sales team will help you find one of the best Tohatsu outboard motors to fit your boat. i have tried to find a 2 stroke yamaha 25 hp in the past and have not had any luck. 9 Outboard Specs 9. It came with the 3+3 warranty or $1500 cash back. Four Stroke Outboards. Since the two-stroke isn't encumbered with a valve train, the engine has fewer moving parts. Portable four-stroke outboard. At Van’s Sport Center you can expect to see Evinrudes full line of E-TEC outboards starting with the 15hp H. Emission control has been the driving force in outboard development for at least the last 10 years. 10W30 4-Stroke Marine Engine Oil. 35lbs) Three Yamaha four-stroke outboards, the Yamaha V MAX SHO® VF200, the Yamaha V. I have 3 outboards for only one boat, and I'm considering selling two of them and buying one 4 stroke Yamaha to be the only outboard for my Grumman Sportboat. As the lightest outboard in the class and one of the quietest 4-strokes ever built, the new FUEL INJECTED 15hp model is a great example of Suzuki’s excellence in engineering. But if you compare like with like at a given capacity, a. Powerhead has been rebuilt and has New Pistons, Rings, Wristpins, Rod Bolts, Gaskets, Seals, Oil Gear, and Water Pump. The main advantage of the 2-stroke is the low weight due to the much lighter construction. With the advent of newer trimmer and lawn products that include 4-cycle engines, we are often asked the question: 2 Cycle vs 4 Cycle Engines - Which is Better? The issue is whether these new 4-cycle OPE tools are better than their 2-cycle counterparts (literally: "Which is better, 2-stroke or 4. Traditionally, because of the simplicity and light weight, 2-stroke outboards have dominated the outboard market. Two-stroke outboards vs four-stroke. The simpler and more compact engine structure of two strokes make maintenance exceedingly easy. At Nissan, our 6 hp 4-stroke provides all of the features in an outboard that make your days boating the kind of days that keep bringing you back!" Specifications:. (Chrysler made top cars but terrible outboards). According to JD Power, the E-TEC avoids some of the common problems with two-stroke engines, including those with acceleration. Does the new Optimax really have the characteristics of an old 2 strokefouling plugs, smoking, noisy, etc? I can't see that being the case, so it is hard to compare a new 4 stroke to a new Optimax. For example, a 115 hp Pro XS will pull as hard as a 150 hp 4 stroke when getting a slalom skier from deeper water. While both Yamaha and Honda make four stroke engines, the Honda outboard only comes in the four-stroke model. I like my Tohatsu, run it 2 or more days a week. 00 subject to boat INCLUDES: Suzuki Digital gauge, standard control box and harness and Allum. Much like cars and trucks, consumers have some choices between EFI and DFI systems also. both happy, less dough. 2 stroke vs. Not sure which engine is right for your rig and boating environment? The first step is to get a side-by-side comparison of current Yamaha Outboard engine specs, to see how they stack up. Otherwise the 2 stroke beat it in Fuel Economy, Acceleartion, Mid Range Power, and Top Speed. Namaskar Dosto, Aj hum bat Krenge ki, 2 Stroke Vs 4 Stroke k difference key barey mai aur unko compare karenge aur dekhenge 2 stroke aur 4 stroke engine ki comparision ke barey mai! Subscribe the. Looks - if it was up to me, every outboard would have the "alien" Pro Max cowling with the wicked air scoops on the sides. For example, if you've spent $2500 on an old 3. What is a V MAX SHO?. The 150 yamaha was $3000-$4000 more and weighed 80 lbs more or was it 100lb ? for 10 more hp. 5hp to 300hp) deliver legendary performance and forward-thinking technology. 2 Stroke Mid Power. Tohatsu outboard motors are salt-water rated and built to last — the 2. Please refer to the pictures for more details about the condition. Choosing an outboard for a boat depends on factors such as budget, boat age and type, frequency and type of usage and where it will be used. Plus, it’s the first in-line four compatible with Helm Master ®, our fully integrated digital boat control system. Lookup Mercury Marine 4 hp (2-stroke) outboard motor parts by serial number range and buy discount parts from our large online inventory. Serial # 0T250484. Never had a problem with in over 4 years except for the bottom end paint peeling off. It is a Yamaha Australia stipulation that all Yamaha Outboards be fitted and personally delivered by the selling Yamaha outboard dealership. The general consensus amongst boaters is that a 2 stroke has better performance, whilst a 4 stroke offers better economy, but lacks the grunt or low down hole-shot of a 2 stroke. 5 x the power. Evinrude g2 outboards | Lenny Rudow makes his BD debut with a fantastic article on the Evinrude E-TEC G2 and how the newly created two stroke compares to modern four stroke outboard engines. Does Yamaha not make 2 stroke outboards anymore? I can't find the HPDI 2 strokes Yamaha used to make on their website. Conclusion - Two Stroke or Four Stroke Outboard Engine To conclude, we would say that the hard part is persuading somebody to change from an older two-stroke outboard to modern four stroke outboard. Hi, I am a student in college and I am conducting a research assignment for a technical reporting class about 2-stroke and 4-stroke engines. Suzuki 6hp Outboard Motor Reviews Mercury 6 HPPropeller-Drive Outboard. IN-LINE 4 200 hp. 2 stroke vs 4 stroke outboard motors - which are better? This is an age old debate that has spanned throughout the decades. And my last fishin trip we fished for 3 days from sun up to sun down and use around 12 gallons of gas. This is a rare opportunity for the bidders. Much heavier engine, slow on acceleration compared to 2 stroke and noisy at high revs + the paint fell off it just out of warranty. The lightest DOHC outboard in its class, this I-4 is the perfect, lightweight 200-hp solution for small- to medium-size boats. The peak HP numbers are in the ball park with the 2-strokes but but the power curve is definitely much wider on the 4-strokes. Also, 4-strokes cost a lot more to rebuild. description 15hp mercury super 2st short shaft outboard comes with fuel tank and line and mercury's 3+2 year warranty. When I replaced my twin outboards several years back I bought one-year-old twin Merc 150 EFIs with two $500 SS props, controls, shift/throttle/electric cables, and gauges for $7,800 for all. Comparison between two-stroke and four-stroke engines can be done in aspects like strokes required for thermodynamic cycle completion, weight of flywheel used, engine size for producing the same power, rate of wear and tear in engine, by identifying valves are present or not, engine cost, volumetric efficiency and thermal efficiency. Outboard Motors. Bring your boating to the top with Suzuki Marine. Review stats like displacement, alternator output and much more. Two-stroke Conventional Wisdom BY RALPH LAMBRECHT. Engine features: 4-cylinder 4-stroke engine with EFI, electric start, remote steering, power trim, and shaft length designed for boats with 20” transoms. Also, 4-strokes cost a lot more to rebuild. Inflatable and Outboards. The 2-stroke brand was Evinrude and the 4-stroke brand Yamaha. Going forward from July 1, 2018, outboard engine manufacturers, importers and distributors will no longer be able to import traditional carby two-stroke outboards, or any other outboard engines that don't meet the new standards. Does anyone have one of the newer 4 stroke Mercury outboards on their boat? Is it worth it to buy the 15hp? My other concern is the weight of the motor. Let's first look at the pros and cons of the two clock. one of the major difference between the 2 stroke engine and the 4 stroke engine is that the method of taking the charge(Air/fuel mixture) into the cylinder. 9hp outboard motor is lightweight, compact, and powerful at 93 lbs. I just bought the Suzuki 140 and had the same issue deciding. But if you compare like with like at a given capacity, a. 2 stroke outboard. for money, outstanding power to weight. I hear a 125 2 stroke is smaller and lighter than a 250 4 stoke. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. The motors are rated at the prop,2 or 4 stroke. Developments over the years have helped the 4-stroke shed some weight to be closer to a 2-stroke of comparable output. This dynamic little powerhouse may be petite in size, but has all of the benefits you need in an outboard. When choosing between a two-stroke or four-stroke outboard motor for your boat, the features of each must be considered. DFI is a great system. A four-cylinder 3. Back in the day when 4-stroke outboards first hit the water, compared to competing 2-strokes, they were heavier and mildly anemic at lower rpm. 00 New Yamaha F9. 4 stroke on a 14' fishing boat. In the last 4 years, fiberglass outboard registrations have increased +29. it probably was not made for the increased weight of a four stroke, and a new two stroke will be a better option for you. Tohatsu outboard motors are salt-water rated and built to last — the 2. Mercury FourStroke 115 EFI : nothing is like it was. 2-STROKE OR 4-STROKE? If you’re in the market for a 50cc, 80cc or even a 125cc scooter, the question of whether to get a 2-stroke or 4-stroke scooter may be on your mind. Brute Strength and Exemplary Fuel Efficiency. The all-new Yamaha F90, which is available in two models - F90LB and F90XB, share the same installation mounting holes as other outboards of similar sizes, making for an easy switch from a two-stroke, or other brands to the latest generation Yamaha four-stroke engine. This was another little engine I managed to pick up quite cheaply. Top speed of the Cobia/Yamaha combo was 44. Weight is not THAT big of an issue. if it's about the speed of the vehicle, the big thing isn't 2-stroke vs 4-stroke, but power, or power-to-weight ratio. The Honda is new this year I’m guessing the steering angle of the non-Honda motors are 30 degrees The Evinrude is the only one in this list that isn’t a ‘high-thrust’-style motor. (NOTE - The Yamaha F200 has now been superseded) The Suzuki @ 44 hours Suzuki’s DF200 is a 3. Honda outboard for sale are pre-owned, but still both aesthetically pleasing, and functional. Choosing a Four-Stroke Outboard Engine. 5 hp 4-stroke is the perfect outboard for a variety of small boats. Evinrude's two-stroke outboard, the E-TEC, was ranked first in its class by JD Power & Associates. I just bought the Suzuki 140 and had the same issue deciding. Although we have lineup of four strokes, we also offer an extensive two stroke lineup to meet diverse global needs. torque, Evinrude E-TEC leaves 4-stroke rivals dead in the water. The 4 stroke weigh's a good bit more but it hasn't been a problem. Please refer to the pictures for more details about the condition. Yamaha F150 Four-Stroke Outboard Engine. Because 2-stroke engines are designed to run at a higher RPM, they also tend to wear out faster; a 4-stroke engine is generally more durable. 000000000000000000000002 sense CR. 2 stroke vs 4 stroke outboard motors - which are better? This is an age old debate that has spanned throughout the decades. 5 Outboard; I will be purchasing this motor in the next few weeks and was just curious if anyone has any feedback for me. 9HP Yamaha Outboards for sale ranging from $2370 to $3020. Sea-Doo dealers and some message board warriors will insist that BRP XPS-2 Synthetic 2-Cycle Oil is the only oil you should ever consider for your Rotax 2-stroke engine. Julian; November 30, 2016 2 Stroke Vs 4 Stroke BACK IN THE DAY. If you own a boat or have ever looked at buying one, the engine on it will have been described as either a 2 stroke or a 4 stroke. But if you compare like with like at a given capacity, a. the new unit saves weight not only on the predecessor but also on the Optimax, 2-stroke 1. 5 hp is lightweight and has a four point vibration absorption system to minimize vibration. Please refer to the pictures for more details about the condition. With the tanks full, the four-stroke weighs 245 pounds. I belive my 426 weighs about 20# more than a comparable 2-stroke, newer 4-strokes are even lighter. A 2 stroke will run circles around any 4 stroke of the same horsepower. 1 L 200-250 HP, V6, 4 STROKE, 4. DFI is a great system. With the shift handle in forward and the reverse gate in forward, with the cam roller at the end of the slot, adjust the cable and/or cable anchor position to this condition. In a four. 2 Stroke vs 4 Stroke Engine. A 4-stroke is certainly more efficient, but they also weigh upwards of 50% more than a comparable 2-stroke engine. The idea was to create a mid-range four-stroke engine that offered the reliability, fuel economy, and ease of use of a modern four-stroke, but at a much lower price-point than the Verado line could meet. 2-stroke engines uses a gas and oil mixture, while a 4-stroke burns gasoline. 9hp,15hp Suzuki 2 stroke outboard carb DIY Hi Man liked ur. 35lbs) Three Yamaha four-stroke outboards, the Yamaha V MAX SHO® VF200, the Yamaha V. Both engines were Yamaha in the 40hp class. We might like to give a thought on which is better one OR which has more advantages. Four-Stroke Outboard Motors. Re: 30hp 2 Stroke or 4 Stroke it could be my accounting background if you have the option of spending $1700 vs $6500 and the only essential differences will be the noise (good) and weight (bad), i would take option 1. What is a V MAX SHO?. The main advantage of the 2-stroke is the low weight due to the much lighter construction. 5kts and 5000rpm, but ran out to 15. Yamaha has realigned its mid-range four-stroke outboard range with the introduction of the new F90 model, one of the most important engines in the Yamaha outboard line-up. Namaskar Dosto, Aj hum bat Krenge ki, 2 Stroke Vs 4 Stroke k difference key barey mai aur unko compare karenge aur dekhenge 2 stroke aur 4 stroke engine ki comparision ke barey mai! Subscribe the. We offer the most-complete line of outboard power, for fishing boats and speed boats, for pontoons and tenders, for work and for play. A 2 stroke will run circles around any 4 stroke of the same horsepower. Which 2 stroke vs 4 stroke) is better for resale,performance and reliability. it is 1/2 in shorter than original equipment or the sierra 18-7906 filter. When Thomas Ansorg went looking for a second-hand boat he could use as a 'workhorse' out on Great Barrier Island, he knew he needed something tough and rugged. If you own a boat or have ever looked at buying one, the engine on it will have been described as either a 2 stroke or a 4 stroke. Outboard motors can be placed in the two or four-stroke categories, each containing their own unique advantages and disadvantages. Is 2-Cycle or 4-Cycle Engines Better? Whether you're wondering where all the two-cycle snow blowers went, or you're just wondering what the difference is between a two-stroke and a four-stroke, the experts at Snow Blowers Direct have your answer. 5hp 4 stroke outboard motor. They are quiet but the 2 stroke is a work horse and a proven design. Compare the best outboard motors using expert ratings and consumer reviews in the official ConsumerAffairs buyers guide. Which 2 stroke vs 4 stroke) is better for resale,performance and reliability. This is the auction for this 40 hp outboard. re: Yamaha Sho vs Yamaha in-line four outboard Posted by Fifthstring on 9/26/14 at 7:29 am to ctiger69 The SHO is close to the classic 2-stroke performance while still having the advantages of a 4 stroke (quiet and relatively low fuel use). These are much higher performance engines than an outboard motor, but still it highlights the very rapid wear 2 stroke piston rings are exposed to. 2 or 4 stroke ULTIMATE for making an informed decision on buying an outboard. Read Hangkai Outboard Motor Reviews and Customer Ratings on hidea motor, china outboard motor, 4 stroke outboard, motor outboard yamaha Reviews, Automobiles & Motorcycles, Boat Engine, Personal Watercraft Parts & Accessories, Boat Cover Reviews and more at Aliexpress. Let’s first look at the pros and cons of the two clock. The Mercury 150 4 stroke has not been in my market for years. Page 2 MODEL AQ, AQSHO SERIES ASSEMBLY INSTRUCTIONS YAMAHA 200-250 HP, V6, 2 STROKE, 3. The main difference between two and four stroke engine is that in 2 stroke engine the crankshaft revolve two times to complete its working cycle where as in 4 stroke, the crankshaft does 2 revolution to complete its working cycle. 2-Stroke 4-Stroke Figure 2, 70 HP Power Comparison Figure 2 shows two 70 HP outboards, a two stroke and a four stroke, this time with very similar power curves, but not engine capacity. Also, read the latest reviews for the Honda 2. A good example of this is the Saito 82 which puts out more usable power than your average. It is especially interesting to look at the numbers you put up in the article for how much it costs to maintain a four-stroke vs a two-stroke. Tohatsu outboard motors are salt-water rated and built to last — the 2. Best Answer: I now have a 50HP Mercury 4 stroke on my 16 1/2 foot aluminum V-bottomed fishing boat after years of being around 2 strokes. Choosing 2 stroke vs 4 stroke dirt bikes comes down to a personal preference. But more maintence does come with a 4-stroke over your simple 2-stroke carb motors. This weight is due to more complexity within the motor's mechanism, which also leads to significantly more moving parts in a 4-cycle. Comparison tests of two brands of four-cycle 225-hp outboards were made with a current state-of the-art DFI two-cycle 225. I am starting to near the total weight capacity with two people and gear. Summary: What should I buy, a 4-Stroke or a 2-Stroke? Well that really depends on your boating situation. Unfortunately - designer's tastes and mine don't always agree. 5, 4, 15, 25, and twin 225's. It was back in 1996 that we last ran a head-to-head comparison on 90hp outboards and at that time had only five, comprising four 2-strokes and one 4-stroke. I've had the 2. A 2 stroke will rev quicker but does not have the same torque/power as a 4 stroke. Evinrude's two-stroke outboard, the E-TEC, was ranked first in its class by JD Power & Associates. Gas mileage and power went away. I hear a 125 2 stroke is smaller and lighter than a 250 4 stoke. This article does not compare direct fuel injected 2 stroke models. 2003 Suzuki DF25 25 hp 4-Stroke Outboard Boat Moto. 5hp 4 stroke I was already aware of some of the benefits including quieter running and better fuel efficiency. to purchase a new yamaha 4 stroke outboard for 1997 Larson fibreglass bowrider weight 1600 lbs mostly pleasure use, 4 people Considering 115hp vs 150hp your thoughts please on the 115hp? will the boat … read more. Looks - if it was up to me, every outboard would have the "alien" Pro Max cowling with the wicked air scoops on the sides. Recalculate columns 3, 4 and 9 as appropriate. Small Wonder. But at the end of 2009, they introduced a 4. However, a two-banger generally doesn't last as long as a 4 stroke. Choosing a Four-Stroke Outboard Engine. 000000000000000000000002 sense CR. Gas powered models start easy if maintained properly even in sub below conditions. Conclusion - Two Stroke or Four Stroke Outboard Engine To conclude, we would say that the hard part is persuading somebody to change from an older two-stroke outboard to modern four stroke outboard. In 1984 the first 4 stroke motors hit the market, which made Yamaha an industry leader. Two stroke engines are a bit lighter and simpler than four stroke engines, while four-stroke engines are cleaner, more refined, and more efficient. On a bigger tinnie, such as my 2003 Sea Jay 3. 40-sized motor, despite being a little lighter than some. 5 - 25HP View Model F2. is a high tech 25 and how does it compare to mine for performance. Re: Best light outboard ever in the 4 - 6 hp range Originally Posted by John P Lebens We decided to buy a 2 hp Honda 4 stroke because it weighs about 10 kilos and they have a good reputation. The introduction of the new generation Yamaha F90 will see the existing 80 and 100 horsepower plants discontinued, which means the the new range will now jump from the 90hp. Ski has been put to work in the last 5 1/2 months. Outboard 2 stroke vs 4 stroke - fuel consumption : Evinrude (2 stroke) Mercury Optimax (2 stroke) Mercury (4 stroke) Yamaha (4 stroke). At Van’s Sport Center you can expect to see Evinrudes full line of E-TEC outboards starting with the 15hp H. Initial Verdict Performance: I was convinced that the 40hp Yamaha 2 stroke would outperform the 40hp Honda 4 stroke by a large margin. 4-strokes I have been doing a little bit of research to see how the more modern 2-strokes compare to 4-strokes. 150-153 psi compression on all 4 cylinders. A 2 stroke will run circles around any 4 stroke of the same horsepower. They are quiet but the 2 stroke is a work horse and a proven design. 9 Four Stroke. Emission control has been the driving force in outboard development for at least the last 10 years. Because Yamaha wants to answer the needs of as many users as possible with reliable outboard motors capable of meeting the demands of the harshest use conditions and environments, we continue to provide a full lineup of 2-stroke models in Enduro and kerosene-fuel specs alongside our 4-stroke lineup. So in this article we are going to discuss about the differences, advantages & disadvantages of 4 stroke & 2 stroke engine. 2 stroke vs 4 stroke outboard motors - which are better? This is an age old debate that has spanned throughout the decades. Dedicated to a cleaner planet through environmentally friendly technology, the LEHR family of products utilizes a patented technology, which ensures that they are the cleanest, greenest and most reliable tools on the market today. carburetted engines as there was no such thing as a direct injected 2 stroke at that time. Im researching outboards for an xpress aluminum boat bass boat. 5, 4, 15, 25, and twin 225's. 35lbs) Three Yamaha four-stroke outboards, the Yamaha V MAX SHO® VF200, the Yamaha V. Mastry Repower Helping Boaters Go Green. So far, it always starts on the first half pull on the recoild starter, the yamaha never did, always 3 to 4 hard pulls from new. Let’s first look at the pros and cons of the two clock. The Yamaha outboard motors lineup includes a wide range 4 stroke models. 1 Parameters selection 15. Mercury Racing since 1999. But if you compare like with like at a given capacity, a. Yamaha F350C Four Stroke Outboard Review The Yamaha V6 Offshore outboards , in the form of the F225, F250, and F300 engines, are topped in the line only by the Yamaha F350 V8 powerplant. There are things that I can do on my 2-stroke that I cannot do on the 4-stroke and vice versa. It is especially interesting to look at the numbers you put up in the article for how much it costs to maintain a four-stroke vs a two-stroke. Blam the EPA. Huge emissions challenge. They look similar but the 300 XS is a 3. 2-Stroke vs 4-stroke Engine Preference Survey. We might like to give a thought on which is better one OR which has more advantages. This article does not compare direct fuel injected 2 stroke models. As with that guide, we talked with those who ride at MotoSport to get their thoughts and opinions on the 250 2-stroke vs. carburetted engines as there was no such thing as a direct injected 2 stroke at that time. Price is 192. 2 Fuel Injectors 12 4 THE EVINRUDE E-TEC™ OUTBOARD ENGINE AND ITS INJECTOR'S CHARACTERISTICS 13 5 METHODOLOGY 15 5. Weight for weight, some 4-strokes have more power than the equivalent 2-stroke. The class leading mid-range 4-stroke range are all fuel injected four cylinder, lightweight and include the best-selling models in the Yamaha range. 15f With a reputation built on years of reliable and powerful performance, Yamaha's two stroke 15F is a standout engine in the Yamaha line up. Valvoline 2 Stroke Outboard is recommended for use in high-speed, high load and high engine temperature conditions, in both pre-mix and. Wondering if 15 or 18hp 4 stroke will be enough? Hello I've spent plenty of time with 2 stroke outboards and know what kind of thrust I'm going to get for the hp. Not sure which engine is right for your rig and boating environment? The first step is to get a side-by-side comparison of current Yamaha Outboard engine specs, to see how they stack up. This is the auction for this 40 hp outboard. 5hp 4 stroke I was already aware of some of the benefits including quieter running and better fuel efficiency. I have read a lot of reviews on the motor and it seems like some folks tend to have issues with the carb orifices clogging up. We went from a Malta 3 hp 2 stroke to a Suzuki 6 hp 4 stroke, big mistake. I've checked other manufactures also (Tohatsu, Johnson, etc) and the 4hp-6hp have the same specs too. Oil requirement. 2 strokes do generally generate more power with less weight. According to JD Power, the E-TEC avoids some of the common problems with two-stroke engines, including those with acceleration. It provides reliable horsepower while also providing cleaner emissions for you and the environment. The significantly light weight of the New Yamaha F70 4-stroke outboard is remarkable, and yet at the same time it delivers some real grunt. The 2 stroke 75 cost more then the 60 4 stroke,,The 4 stroke might not be as quite as the 2,but i can still have a convo on the boat while running and not have to yell. The 50cc market is loaded with models from both camps, whereas the 80cc, 110cc and 125cc markets are quite a bit more limited in this regard. In the last 4 years, fiberglass outboard registrations have increased +29. 2 liter block and is one of the most stout 2-stroke available and makes just over 300 HP, with torque around 330 lbs/ft. So, my real question is : Whats the difference between the physical size of the bikes besides the engines, mainly the Frame, wheels, forks, suspension? For example a YZ125 vs a YZ250 4 stroke. i have tried to find a 2 stroke yamaha 25 hp in the past and have not had any luck. Read 14 customer reviews of the Yamaha 2. Ive seen plenty of 2-stroke sleds go 10,000-15,000 miles and not need a rebuild. 5hp Tohatsu outboard motor is an excellent choice for square back canoes, small tenders and inflatables, and other small craft. Choosing 2 stroke vs 4 stroke dirt bikes comes down to a personal preference. All meet the California Air Resources Board air pollution standards. Also, read the latest reviews for the Honda 2.