2 stroke vs 4 stroke outboard comparison ,(140's) tear em' down, rebuild; parts run about $900+, get another 1800 or so hrs. After 6+ years of trouble free 4 stroke service I still say go with a 2 stroke. to/48ODgL0USA: 🇺🇸https://amzn. Two-stroke outboard motors Feb 2, 2022 · In this video I compare a Mercury 3. When it comes to choosing between two-stroke and four-stroke engines, it’s essential to weigh the advantages of each Nov 8, 2006 · Re: Optimax vs 4-Stroke My 2 cents worth If snowmobiles only do 200hrs I wouldn't compare them with 2 stroke outboards. 2 stroke will need oil added constantly, either to the fuel or the oil tank. If we were talking dirt bikes, a 2 stroke is way easier to kick start than a 4 stroke. 615 sec. More Cargo: Ship can carry more weight and hence more cargo with 2 stroke engines because of high power to weight ratio. ~~insert just buy a SHO comment~~I Because of their high torque, Avator outboards tend to out-accelerate internal combustion engines with a similar horsepower rating. For example, AW is burning 14. Both 2-stroke and 4-stroke outboards generate power by burning a mixture of fuel and air. Jun 13, 2024 · Here’s how 2 stroke vs 4 stroke motors compare. 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 what we have on our boat). four stroke WITH A 2 STROKE MOTOR, YOU'LL HAVE TO YELL TO TALK TO SOMEONE WHILE MOTORING. 4. Due to their simpler design, 2-stroke outboards are lighter than their 4-stroke brothers. May 7, 2023 · Pros And Cons Of 4 Stroke Outboard Motors . 4-stroke engines. For instance, the 7. and at the expense of burning 1. Most 2 stroke outboards will do 2000+ hrs without a hint of problem. They help meet tougher air pollution laws and protect our environment. four strokes: a comparison of dirt bike engines May 21, 2019 · Kudos to Suzuki for always pushing the envelope on 4 stroke outboard design. <br /><br />Deck boats are heavy (they collect people and stuff) and a 115 on that size boat will be a marginal performer. , 3600+ hrs. Two-stroke outboard motors are lighter in weight, less expensive, and often faster. 93 MPG). However, in recent times, the line of difference between these two has blurred. It's a 15 foot scooter with a tunnel bottom made to run skinny. Guide to buying a 2-stroke outboard motor or a 4-stroke outboard engine. V6 4. Feb 28, 2008 · Been getting about 1800 hrs. As a result, the weight comparison of a 2-stroke vs. Jan 13, 2017 · The most common 4 stroke to 2 stroke comparisons I read/hear from people are: 1. four-stroke outboard motors2 stroke vs 4 stroke outboard motors: a side by side comparison. Join the 1871 Club today | New spring journal arriving in April, When it came to 2 stroke vs 4 stroke outboard motors, 2 stroke won every time Although both 2-stroke and 4-stroke motors undergo all four phases of combustion to complete each full power cycle, the 2-stroke engine only needs two strokes and of course the 4-stroke needs four. If weight is an issue on your boat, look into that. Two stroke motors offered a better power-to-weight ratio, were cheaper to manufacture, and easier to maintain. The limiting factor is weight, I'm not sure I'll be able to handle 20hp 4-stroke without an occasional struggle (but then I've not checked that either). Anymore and you’ve over-capitalised on the rig and you’ll make a loss when it comes time to trading up. Two-Stroke Outboards. Jul 25, 2011 · Typically, a two-stroke outboard is lighter than a similar-sized four-stroke engine because the two-stroke's method of operation doesn't require a valve train -- camshafts, valves, belts or chains. You can DEFINITELY feel the extra power from a 2-stroke on the lower end of the speed range in particular! Jun 14, 2023 · Among Honda Marine’s range of four-stroke outboard engines is the evergreen BF60, launched in 2009. a modern 4 stroke is a worthwhile argument, or is simply different sides of the same (similar?) coin. 2 stroke is Today, there are numerous changes and improvements taking place in outboard motor manufacturing and design. I've had the Tohatsu M18E2 for a while now. Aug 16, 2023 · The best comparison of a 2 stroke vs 4 stroke motor considers the factors you personally care about, like cost, maintenance, and gas mileage. In fact, Honda’s 50-hp 4-stroke is lighter than some conventional carbureted 2-strokes, and the 2- and 4-stroke Yamaha 150-hp engines weigh roughly the same. 2 Stroke Engine Advantages. Both videos were Jun 13, 2024 · Years ago, the choice was clear: When it came to 2 stroke vs 4 stroke outboard motors, 2 stroke won every time. On the other hand, four-stroke boat motors had no match to two-stroke engines in terms of power. For your needs, I would 100% go with the V6 option. Superior Fuel Efficiency: Compared to 2-stroke outboards, 4-stroke motors offer significant fuel efficiency advantages. Full disclosure, I have no idea what the dry weights are for other outboard manufacturers. I’ve owned four outboards. 5250 on the 2-stroke, but I'd think the 4-stroke would not have the horses to turn the prop much beyond 4800-5000 RPMs. That is a biggy! That old 2 stroke with find the most god-awful time to let you down. A con of 2-stroke engines is an increase in pollution and often an increase in fuel consumption. Jul 26, 2011 · At 2000 RPM the 2-stroke is at 11. That etec would be more economical and cleaner than a carbed 4 stroke. com/toolkit ⚓28-page resource for new & used boat shoppers to assist in the boat research & shoppin Mar 3, 2019 · I need to make my mind up if I want to buy a 15hp 2-stroke or a 9. One, I have/work with and own a combo of brands and hp's of motors (2 and 4 strokes). Apr 16, 2018 · The concept makes for simple, lightweight and powerful engines with fewer moving parts than 4-stroke motors. Compare 2 stroke vs 4 stroke outboard engines in terms of design, functionality, performance, efficiency, maintenance, and environmental impact. 5x15 which truned 5200 rpm at wot, which was right in the power range. The 4 stroke will generally be turning more rpms per mile. 7L Evinrude G2 has a huge advantage over the 4 cylinder four stroke competitors, obviously the Evinrude is a two stroke and it is a V6. In a 2-stroke engine, the oil must be changed because this oil supports cooling the cylinder and piston by their proper lubrication. The four strokes are intake, compression, power and Jan 23, 2024 · Hi All, I was just wondering if anyone knows of a site or has ever seen torque / power curves comparing 2 stroke and 4 stroke motors. Apr 11, 2023 · I just had to re-power my 18' Sailfish CC. Now that I've finished the break-in period on the new one I thought I'd put up a couple of videos to show the difference between the two. This makes them much less prone to ethanol and other carburetor related problems - which has always been the great majority of outboard reliability issues in either 2 stroke or 4 stroke. Both 2-stroke and 4-stroke have cooling jackets - and thermostats and water pumps - so - in theory should be running eqully cool. But generally, a 2 stroke engine is perfect for high-performance applications as they output power faster. Learn all the advantages and disadvantages in the age old Two-Stroke Vs. I know they are the new line up, and I am definitely a 4 stroke person just for the non mixing of oil. <br /><br />Talk to the dealer about something in the 150 to 175 hp. The 4 strokes have no balls AKA low end torque compared to their 2 stroke little brothers. Second was a Yamaha 225 VMax 2 stroke. 225 4 stroke Good pionts Franki. 4 strokes are more mechanically complex around power block and head so consequently to a higher level of skill to maintain and repair. This man is looking at a 17 foot boat that shouldn't have over 350 on the transom. 15lt/h. Jun 15, 2022 · This article will help you to know about 2 stroke vs 4 stroke outboard - Difference Between Two Stroke and Four Stroke Engine | let's have a look at the article to know more details When it comes to buying an outboard, it’s important to know the differences between a two–stroke vs four–stroke outboard motor when deciding which type of engine will best suit your needs. Which will come up better? The tried & tested invulnerable 2-stroke, or the bigger, smoother, quieter Yamaha 4-stroke?Industry legend Steve Starling joins Ya Oct 19, 2011 · No **** the 150 is going to burn more fuel (although the difference would be minimal comparing 4 stroke to 4 stroke at the same speed). 5k down to idle where I mainly drive. I'm sure a 2 stroke racer can correct me. More Pollution ; More noise ; Smoke Owners with smaller boats often prefer 2-strokes, as these boat types are more weight sensitive. So, rev up your motorcycle and pick the engine that’s tailored for your perfect journey. 5 HP 4-Stroke are two popular choices that offer reliable performance and portability. Many do 3000+. 5 HP 4-Stroke and Yamaha 2. It runs amazingly and is easy to install. I re-powered it with a Yamaha 90 hp 4 stroke. 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. 4 strokes can be extraordinarily reliable but when you try and match the power output of a 2 stroke with a similar size/weight 4 stroke you have to work the engine very hard to get anywhere close (by definition 2 strokes are roughly Mar 22, 2023 · 2-Stroke vs. Oct 18, 2019 · More Canadians than ever are enjoying life on the water. Yamaha Vs. YAMAHA 2. The engine is like new but has no spark. One way manufacturers are reducing 4-stroke weight is on the cranks and midsections, Senger says. That is one reason outboards are rated at the propshaft, rather than the flywheel, as in the past. so are the honda 4 strokes. I asked Merc if they would give me torque numbers for their 115 4-stroke, carburated 2-stroke, and Optimax. For comparison, I also have a 1972 Johnson 6 HP (2 stroke) short shaft that weighs 56 lbs. 5hp four stroke to a Mercury 3. Top speed for the HPDI was only 1 mph faster than the 4-stroke. Nov 12, 2024 · Comparison: 2-Stroke vs. The downside is they can be costly to work on, but I wouldn't let that steer you away from one. <br /><br />The 4-stroke planed the boat almost half a second faster than the HPDI (HPDI 200 = 5. Third was a current gen Merc 150 pro xs 4 stroke and now a 2016 Merc Racing 250 hpdi 2 stroke. Im interested to see how they differ typically around the 75 - 100hp range. 3hp two stroke. 177 ft lbs of torque now 4 The difference between the two-stroke and four-stroke engine cycles lies in the movement of the crankshaft and piston. I'm not seeing much (if any) difference between this 4 stroke and my 70hp 2 stroke for operating cost. Feb 4, 2005 · I'm looking at buying a new 10hp (currently use a Yam 4hp 4-stroke) for an Avon RibLite 3. 1m I've just bought. 4 Stroke? - Does anyone know of a conversion chart that would give the approximate comparason between 2 and 4 stroke engines in terms of performance? For example, I am told that a . That's why we created our outboard motor comparison -- to help our customers find the right outboard motor for their precise needs. It's already successfully tested in the 4-stroke diesel market. A 40 year old OS FS 61 or 40 are probably not fair game, nor is the YS supercharged 91, or the Jett pylon racing engines. 2-Stroke vs 4-Stroke Outboards - The Differences. The 2-stroke will have no cam shaft, lifters, pushrods, or timing chain --- the 4-stroke will have all of these. 5 more gallons of fuel per hour and making 6 more Db Jun 19, 2018 · Comparison of 2-Stroke and 4-Stroke Outboards. 83 MPG (0. Aug 6, 2002 · 1. A. If you want to compare my info to similar motors, there's 150 4 strokes and 115 2 strokes mentioned in this thread already. Today, let's dive into the compelling reasons why four-stroke outboard motors are taking the lead in the marine world. F200 = 5. On the downside, the 2-stroke design is also inefficient, noisy and heavy on emissions. First was a Merc 150 Black Max 2 stroke. 61 2-stroke and a . The f Mar 19, 2020 · In the 150 HP category, the 2. The 4 strokes are wonderfully quiet, great on fuel economy, have reduced emissions (lots of states are instituting required lower emissions on outboards), but depending on brand can be a problem to get "worked on"/serviced or repaired. In all cases we felt it was a fair comparison. 4 stroke outboard motorsTwo stroke and four stroke engine Two-stroke vs. May 23, 2023 · Suzuki four-stroke outboard motors are however designed with easy and low maintenance in mind with technologies like the self-adjusting timing chain. Even with that said, truth is down here many, and I mean many flats boats are now being rigged with a 115 or 130 4 stroke May 19, 2016 · Why the difference between 2 stroke and 4 Stroke Outboard motor mounts. Before you buy an outboard motor, you should learn the pros and cons of 2-stroke vs. and the sound is nicer - my 150 hp V6 DI evinrude had a very nice idle, not to Our COUNT ME IN 2 PROMOTION includes a 40HP E-TEC. Choosing the right outboard motor can elevate your entire boating experience. This is the sort of thing you can do yourself. 4 stoke outboards are heavier than an equivelent 2 stroke with the same power, often due to their larger relative size. Ask about fuel consumption of a 150 HPDI vs a 150 4 stroke -- even though the 150 4 stroke is only a 4 cylinder. Pro’s . Jun 4, 2015 · For example if I were running a 4 stroke and had my engine serviced every 100 hours, I would be looking at 5 services a year @ approx $800 each. If you do not properly lubricate to cylinder and piston, the metals may melt and crush each other, metals can move past each other and deform permanently, and high friction can wear parts out and clog the engine. When comparing 2-stroke and 4-stroke outboard motors, each type has distinct advantages and drawbacks to consider. One signpost reads “Suzuki 2. They do use oil, but i did some back of the napkin estimates and I think it worked out to be a similar cost for changing 4 stroke oil vs the injected oil. 5 HP 4-Stroke. May 25, 2022 · One advantage of a 2-stroke engine is that it weighs less than a comparable 4-stroke outboard motor. Whether you’re looking for speed, torque, or longevity, there are certain factors to consider when looking at the pros and cons of both types of Jun 2, 2004 · One exception being that with the 4-stroke, the boat is 58 lbs heavier. I found it very interesting and some of the results where surprising. E-tecs are way better on fuel than carbureted 2-stroke and some claim better than 4 stroke - the displacement is very low in comparison. Nov 3, 2024 · Winterization Process: 2-Stroke vs. 4 stroke in high horsepower situations will have better torque at the low end, and with similar prop style will accelerate faster. Therefore, we’ve averaged the outboard motor weight of old and new models for each power range to provide a more accurate comparison between May 14, 2007 · Re: Yamaha 150 2-stroke vs 150 4-stroke Ask your Yamaha buddy what a 100 hr service costs and a 500 hour service costs on each motor, just so there won't be any surprises later. 2 Stroke outboards . 6 gph) while the 2-stroke uses it at 1. Unlocking the Best Choice for Your Marine Journeys: An In-depth Examination of Suzuki 2. 46 to a 4-stroke but I Apr 29, 2008 · Mark,Being a full line Yamaha dealer and selling both engines here are some comparison's when considering a repower for saltwater use the Yamaha F150 is the same wieght as the Hpdi 150&175,they all had the same economy at trolling speed and cruise although at top end speed the hpdi's burned @ 20-30% more fuel and in 100 hours of use burned @$662. July 2018 repower to Mercury 250 Pro XS CMS V8 4 stroke. As an example, a 2-stroke Yamaha 15 HP outboard weighs about 80-84 pounds while you can expect the weight of a 4-stroke model to be in the ballpark of 111-132 pounds. 3L 350 hp V6 4. 9hp 4-stroke for my Aerotec. Jul 19, 2005 · TWO STROKE vs. less than 6% of all new outboard sales are 2 stroke. 4-Stroke Engines Key Differences in Design and Operation. 0L; The G2 has two more cylinders firing on every stroke. Not much of a weight difference. Pros and Cons of 2-Stroke and 4-Stroke Outboard Motors. 115 WOT 10. Both Yamaha and Mercury have made good quality outboard motors for many years. 00 in oil based at $25/gl. 2-stroke engines are great for power where keeping things light is important. 145 sec). here is a chart of the newer motors to compare. For many years, it was assumed that 2-strokes would always be more potent than their 4-stroke counterparts. 5 HP 4 stroke Mercury outboard for the tender that came with the 32' Bayliner that I purcahsed last year. but do you know what the differences b Both Tohatsu and Suzuki now make fuel injected 15hp 4 cycle. Two Stroke Vs Four Stroke. . 6 4-stroke Who wins in a race between a new Mercury 4-stroke and an old, 25hp 2-stroke?We found out first-hand the risk of buying a second hand 25hp 2Stroke, upon inspe ⚓FREE for Boat Shoppers:⚓https://www. 115 Mercury Optimax Jump to Latest 11K views 12 replies 10 participants last post by SSST Jan 23, 2014 Nov 30, 2006 · My comments echo many well respected flats charter guides down here with respect to the 2 stroke vs. Watch this video and make an informed choice. A boat builder friend Jul 29, 2008 · When choosing between a two-stroke or four-stroke outboard motor for your boat, the features of each must be considered. 4 strokes only shine from about 4. <br /><br />Hondas are nice engines when used where they are suitable. ⚓https://www. It would be interesting to know if a 60hp 4 stroke produces similar torque to 80hp 2 A 4-stroke requires more maintenance than a 2-stroke by design. 4 stroke vs 2 stroke, it depends. Jul 16, 2012 · 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. 5 HP 4-STROKE vs. Of course the 4 stroke engines in these so-called comparisons are being had. The 4-stroke will have 8 valves. Mercury Outboards. Jun 3, 2024 · In the never-ending debate of a 2-stroke Vs 4-stroke engine, it is just like choosing between a sedan and a sports car, it depends on what you need from the engine. Guess what happens at 3000 RPM? The 2-stroke is now 5. 2. Aug 16, 2018 · So i have noticed more of the 4 stroke mercury pro xs motors coming on alot of boats. Sip gas, don't yell, and get there and back with the 4 stroke. One key area of comparison is fuel efficiency—a critical consideration for boaters who are mindful of both operating costs and environmental im Feb 27, 2014 · When the discussion of 2 stroke vs 4 stroke is raised, there are a few common well known theories that we mention. How to tell if an outboard motor is a 4-stroke – crankfix. 2 or 4 stroke. I have read many comparisons on 4 vs 2 stroke and Jim's is the closest in GPH which I believe to be because the "cruise" speed was in the upper 4k range. 67mpg Apr 10, 2018 · It's tough to know whether a modern DI 2 stroke vs. They mix May 11, 2001 · Re: 4 vs 2 stroke @ 90 hp Ok, maybe I can help a bit. Learn about their differences and similarities. Ease of starting might be debatable, but consider that a 2 stroke only has to have a piston rotate the crankshaft up to 360 degrees for ignition. 2L 300 / 250 / 225 hp In-line 4 200 / 150 hp 115 - 30 hp 115 / 90 / 75 hp 70 / 60 / 50 hp 40 / 30 hp These changes aim to make both 2-stroke and 4-stroke engines cleaner. They clearly demonstrate that if you want to do "tractor pulling" or "drag racing" with engines of equal rated peak hp the DF1 2 strokes will clean any 4 stroke's plow. Jan 14, 2025 · What Is the Difference Between a 2-Stroke and 4-Stroke Engine? The main difference between a 4-stroke engine and a 2-stroke engine is that a 4-stroke engine goes through four stages, or two complete revolutions, to complete one power stroke, while a 2-stroke engine goes through 2 stages, or one complete revolution, to complete one power stroke. Aug 10, 2024 · Compare the engine design, power output, environmental impact, maintenance, and cost of 4 stroke versus 2 stroke outboard motors. 2 stroke vs 4 stroke enginesDifference between 2-stroke & 4-stroke outboard engines 2-stroke vs 4-stroke outboards: differencesTwo stroke vs 4 stroke Nov 28, 2024 · Why do 2-stroke engines produce more emissions? 2-stroke engines burn oil mixed with fuel, resulting in incomplete combustion and higher emissions. Jun 20, 2022 · This 4-stroke outboard can consume nearly 40% less fuel than alternative 2-stroke units for exceptional running costs and savings. They involve pistons, Cams, explosions, etc. 4-Stroke Engines. This is partly sparked by a number of 4-strokes and no 2-strokes available now. I'm interested in the recently launched Mercury 9. From a maintenance and longevity point of view I would be getting a 2 stroke. 6 mph. 2-stroke engines are lightweight, small, and simple. 8L and the Mercury is a 3. If they give those numbers, I'll post them. Oct 4, 2024 · Similarly, Honda outboards, known for their four-stroke technology and fuel efficiency, still require regular valve adjustments, which Suzuki engines do not. The bummer is I bought the 50 hp 4 stroke back in 96 when the same money ($5600) would have bought a 70 hp 2 stroke. Dec 28, 2010 · Re: Buying a Mercury 6hp -2 stroke or 4 I have the Mercury 6 HP 4 stroke (2007), and it is not all that heavy. The Four-Stroke Advantage: Efficiency and Performance See full list on uti. Aug 8, 2022 · Here is a comparison of two very different engines installed on my Zodiac Futura Mk2c (3,7m SIB). However, 4-stroke outboards are becoming increasingly lighter compared to years past. Effect on Performance: By only requiring two strokes to generate one revolution of crankshaft power, theoretically a 2-stroke outboard would Jan 23, 2021 · Product links below:👇 2 Stroke mixing bottle 👇Canada: 🇨🇦https://amzn. This process results in one power stroke per two revolutions of the crankshaft, making the 4-stroke engine more fuel-efficient and environmentally friendly due to more complete combustion and separate oil and fuel systems. I have a 2 stroke Nissan and 4 stroke Honda both having about the same horsepower. I understand the weight difference between a give hp rating of a 2 vs 4 stroke. The 2-strokes have no valves. 4 stroke needs an oil change, not a big deal. At 1000rpm the two-stroke was using 2. BoatersSecretWeapon. It is a classic 18 hp 2-stroke that weighs 43 kg I believe. Oct 7, 2014 · My boat is perfectly suited for the 90 two stroke. Feb 5, 2007 · Customer: I have a 2007 2. 3. 55lt/h. 10hp is the boat's maximum rating and max transom weighting is 40kgs. A 225 Johnson with carbs will burn about 13GPH at 4k(23. Outboard stages. Sep 5, 2018 · The 4 stroke is heavier and it’s noticeable when looking at the boat sitting in the water with no one in it, the boat is stern heavy. I would only add that as 2-stroke outboard technology advances, so will the 4-stroke outboard technology. Going back to idle the 4-stroke sips fuel at 7. You’ll find that investing in a four-stroke engine is a dependable choice in the ongoing debate of stroke vs 4 stroke, especially if you value efficiency and long-term savings. Better hole-shot and slightly better top end. 2 stroke oil would also be an easy target for high taxation in the future to force them off the market. 4 stroke outboard motors Switching from 2-stroke outboards to 4-stroke outboards, the pro’s andComparing two-stroke and four-stroke outboard engines. 5hp four-stroke engine, the 20e is similar to that of a 5hp four-stroke engine, and the 35e is similar to that of a 9. N&E mentioned the reliability issue. I have given it my all to try an pack as much information as humanly possible and present them in a simple, coherent and understandable manner with the goal May 26, 2003 · The rev limit is 6000 on the 4-stroke vs. Mine is powered with a 115 Johnson which is considerably overpowered, but holds okay. 8 gph per 115 2 stroke at WOT. My 2 stroke however has negligible servicing requirements and only requires a plug change and gearbox oil every 300 hours. Although it’s a smaller displacement than the others, the Yamaha is a 2. That saves you 18lbs in fuel, which makes your dinghy actually lighter than with your 2-stroke. 5e model accelerates similar to a 3. Jul 31, 2024 · Stroke outboard vs motors comparison side Difference between 2-stroke & 4-stroke outboard engines 2 stroke vs. over speed {RPM} so take 40 hp 2 stroke rpm 7200 and 40hp 4 stroke RPM 5300 40x5252=210080 then divide by RPM 7200 = 29. Straight up actual comparison Jun 11, 2010 · Re: 2 vs 4 strokes, who has more torque? OK left you confused long enough LOL's . Environmentally Friendly: The National Marine Manufacturer's Association (MNNA) is predicting that by the close of outboard model year 2007 (2 years from now) 4-stroke outboards will command 85% of total marketshare. Also, there can be a difference in materials and measurement (dry weight vs weight with fluids and prop). Aug 21, 2003 · Glow Engines - Conversion chart- 2 vs. Apr 4, 2024 · In the world of internal combustion engines, the choice between 2-stroke and 4-stroke engines is a crucial one. ! Apr 6, 2024 · 2-stroke vs 4-stroke outboards: pros & cons2 stroke vs. 5 to 425. When purchasing or upgrading an outboard motor choosing between a Two-Stroke and Four-Stroke Outboard is a important decision. Check Details. 4 stroke arguement. May 13, 2023 · In addition, 2-stroke engines make more power than 4-strokes, because in a 2-stroke engine every other stroke is a power stroke. Nov 21, 2008 · Re: 25 Hp 2 vs 4 stroke comparison? Didn't know about that etec, Steelespike. Customers now have a selection of 4-stroke motors ranging in horsepower from 2. The regular Merc 4 stroke is a V6 in that horsepower range. 8hp in mid August to replace my old (but incredibly reliable and easy to work on) '86 Johnson 9. The 225 4 stroke burns about 9, so does the DFI's. More fuel efficient 2. F. Nov 29, 2017 · Old 2 stroke vs new outboards (2&4) stroke Home › Forum › Ask A Member › Old 2 stroke vs new outboards (2&4) stroke This topic has 19 replies, 13 voices, and was last updated 7 years, 1 month ago by outbdnut2 . 4 STROKE FB,<br /><br />Regardless of which 115 you choose, you will be disapointed. A good option, except that I buy pre-owned engines several years to 30 years old. Two-Stroke: A Head-to-Head Comparison for Modern Boaters. Applications and Use Cases. A. Unfortunately, 2-stroke outboards are not marketed in the US due to EPA regulations. I used the prop off the 2 stroke Jun 17, 2024 · Outboard stages. 9hp four-stroke. They’re often used in Jun 6, 2002 · Re: yamaha 225 efi 2 stroke vs. A 2-stroke engine will almost always produce more power than a 4-stroke engine of the same size. I actually bought one of the very first DF15’s and it was a cracking engine. com/toolkit ⚓FREE for Boat Shoppers:28-page resource for new & used boat shoppers to assist in the boat research & shop Apr 13, 2024 · 2 stroke vs 4 stroke outboardDifference between 2-stroke & 4-stroke outboard engines How to tell if an outboard motor is a 4-stroke – crankfix. Four-Stroke vs. Less Maintenance: The maintenance requirement of the Jul 9, 2023 · In 1970, Yamaha outboard motors were introduced to the US market. That's a lot. Agree fuel economy might be slighty worse. In what applications are 2-stroke engines commonly used? 2-stroke engines are commonly found in applications where a high power-to-weight ratio is beneficial, such as in chainsaws, outboard motors Nov 11, 2009 · A 2 cylinder 2 stroke has 5 basic moving parts,a 2 cylinder 4 stroke has at least 28 basic moving parts. 4-Stroke. This article has provided an answer to the question, 2 stroke vs 4 stroke, which is better. I see 4-strokes with camless designs incorporating hydraulic-electric valve actuation in the future. Thus, it has less rotating mass. When is it time to buy an old two stroke outboard? The Small Boat Captain breaks down the ins and outs of two stroke and four stro Oct 13, 2015 · Two-stroke outboards vs four-stroke For example, if you’ve spent $2500 on an old 3. Discover the key differences between 2 stroke and 4 stroke engines, including advantages such as increased power and simplified design, and disadvantages like higher emissions and oil mixing issues. The 2-stroke brand was Evinrude and the 4-stroke brand Yamaha. 7m tinny and trailer, there’s no point in spending more than that on a new engine. Jun 18, 2021 · Using both ends of the ranges discussed, someone with a 10hp 2-stroke would have an engine only 10lbs lighter than a 20hp 4-stroke. 5 HP 4-Stroke Outboard Engines Introduction. At OutboardCare, we understand the importance of this decision and offer an extensive range of parts for both 2-stroke and 4-stroke engines, catering to brands like Evinrude Johnson and Mercury. Overview: Two-stroke engines are known for their simplicity and lighter weight. 9gph 40mph 3. Marine Small Outboards Specializing in used 4 stroke outboards and 2 stroke outboard boat motors . They are generally easier to repair and maintain, having a comparatively simple design that has been available for almost 80 years. Ultimately 4 stroke is my preference because they are quite and burn way less fuel than a 2 stroke. Over time, expect to see lighter weight 4 stroke outboard motors, 2 stroke outboard motors made with even greater fuel economy in mind and improved reliability across the board. Here's a guide to help you decide between 2 stroke and 4 stroke outboards. Not nearly as loud 3. on the 4 strks. Today, advancements in engine tech and environmental regulations have made the gap between 2 stroke and 4 stroke motors Apr 21, 2016 · When you compare 2 strokes to 4 strokes in the same HP rating the 2 stroke will typically feel more lively and responsive, especially at lower RPMs, 4 strokes can feel sluggish when getting up on plane. 5 HP 4-Stroke,” and the other “Yamaha 2. 45 (2S) and 5. I am thinking of changing my . Having said that, the later yamaha 2 strokes are considered to be some of the best outboard engines ever built. 2-Stroke Outboard Motors. It’s more fuel efficient, and is built to last longer than a Pro XS is. Has anyone ran one yet, or heard of any major problems with these. I have a Suzuki fuel injected 25hp on a Boston Whaler and it is by far the best outboard I've ever Jul 20, 2023 · For example, the modern 4 strokes outboards are heavier than their previous 2-stroke version. I'm looking to go lighter weight for a shallower drifting and hole shot. 2005 1. Sep 6, 2009 · I bought a new Tohatsu four stroke 9. Jul 9, 2018 · You probably have some knowledge of how internal combustion engines work. Mine is a long shaft and weighs in at 59 lbs. 5 MPH faster and MPG is 5. The fundamental difference between 2-stroke and 4-stroke engines lies in the number of piston strokes required to complete one power cycle. Forget about reading countless outboard motor reviews and spending time trying to track down the best outboard motor brand -- we'll help you make the right decision with our convenient outboard motor comparison chart. 5 wot). Apr 4, 2024 · In the world of boating, the choice between 2-stroke and 4-stroke outboard motors is a significant one, with each type of engine offering distinct advantages and disadvantages. suzks. Hate to think how much 2 stroke oil will cost once the demand for it is so low it becomes almost a special order item. Kind of like a car with a numerically high axle ratio. The question will be: What percentage of this remaining 15% will be Yamaha HPDI, Mercury Optimax or Evinrude E-Tec? May 24, 2002 · Re: 90 2 Stroke vs 115 4 Stroke The Honda 90 is carbureted and weighs 378lb. class. Share your queries or thoughts on 2-stroke Vs 4-stroke engines in the comments section below. With a 4 stroke, you can talk with a normal voice. I do think that many of the "green" laws don't talk about emissions, just 2 stroke vs. Nevertheless, we did manage to find 2 fiberglass monohull boat models that were the same and two pontoon boats that were the same brand and very similar. But why would this make a difference in the design of the mount if the mount exceeds the hp and weight rating of the motor being used. However, this is not necessarily true in today’s world, where we have to consider performance, fuel efficiency, and noise levels. Four-Stroke debate. A 4 stroke V8 Verado is offered starting at 250hp. The winterization process for outboard motors can vary significantly between two-stroke and four-stroke engines due to their different operating mechanisms and maintenance requirements. These engines are also Is a 2 stroke outboard motor better than a 4 stroke outboard motor, or vice versa? This comparison will put the 2 stroke vs 4 stroke debate in clear terms. The hpdi 150 and 4 Comparing the top speed between a 4 stroke VS 2 stroke outboard. Worth checking out. LOW EMISSION OUTBOARD MOTORS 90 HP c. Feb 18, 2020 · Repower on a 2009 Z21 Intracoastal: Was a 2009 Mercury 250 Pro XS. The sale of outboard engines is 20% higher than they were in 2010. A 4-stroke motor can be up to 50% more fuel efficient than a 2-stroke motor of the same horsepower, resulting in cost savings over time. That buys oil for about 800 gals of 2 stroke gas. 5. Like already posted, check the etecs if you want a quiet running motor. 4 stroke outboard motors. Mar 15, 2009 · 2 strokes are on a quick decline in sales world wide. BrianW Time & chapter hyperlinks for this video:2:46 - short shaft vs Long shaft outboard motors3:48 - a prop pitch, why it matters4:44 - using a smaller pitch for Dec 14, 2019 · I think if we're looking for a rule of thumb to convert between 2 stroke and 4 stroke, common sport engines should be considered rather than exceptional engines. Apr 29, 2005 · In general, a 4-stroke is heavier than a 2-stroke, but that’s changing, too. Choosing between 2-stroke and 4-stroke engines depends on what you need. The Yamaha Enduro range was a huge success. It needs only one piston stroke to complete a whole Outboard 2 stroke vs 4 stroke - fuel consumption : Evinrude (2 stroke) Mercury Optimax (2 stroke) Mercury (4 stroke) Yamaha (4 stroke) SUZUKI 2. BoatBuyersSecretWeapon. 9 4-stroke (38kgs) or, if I go the 2-stroke route, the Yamaha 9. Aug 18, 2003 · Re: YAMAHA 115 2 STROKE vs. In the article, let us learn more differences between two-stroke and four-stroke. Nov 10, 2020 · For years, people believed that two-stroke engines are way louder than four-stroke outboards. com2 stroke vs 4 stroke: which outboard motor is best for hunters and. When it comes to regular 2 and 4 stroke engines of the same HP this is how you figger the torque Torque = hp x 5252 . 1 MPH and 4-stroke is at 7. Imagine standing at a crossroads where each path leads to a uniquely rewarding boating experience. Pros . 4 stroke. com2 stroke vs 4 stroke engines Outboard motors – 2 stroke vs 4 stages – campers and trailersTwo-stroke vs four-stroke outboards. That is because there are fewer moving parts in a 2-stroke engine than inside a 4-stroke engine. If I were in the market for a new outboard, my primary considerations would be dependability and longevity. The Honda 115 is EFI, but weighs over 500. However, they work in slightly different ways and both have their pros and cons. Apr 8, 2011 · Since a 2 stroke has twice as many firing strokes per 1000 revs than a 4 stroke but each power stroke is less efficient, the two have quite different power characteristics. They’re ideal for jobs that require small engines, such as dirt bikes, the outboard motors of boats, chainsaws, and smaller gasoline-powered machines. 9hp. The answer was two, hence 2-stroke outboard engines, or four, hence 4-stroke. Aug 6, 2008 · Fuel consumption on the four-stroke at this stage of the test was not measurable, being under 2lt/h and we could not get it to record consumption until 2000rpm, at which time it recorded 2. 2 stroke vs. Nov 15, 2010 · I have been doing a little bit of research to see how the more modern 2-strokes compare to 4-strokes. then keep em' for parts. 4-stroke engine is now less of a concern. I was cur Jan 21, 2014 · 115hp Yamaha 4 stroke Vs. The best way to know is to look at the 2 stroke vs 4 stroke pros and cons and consider your application. Lighter #3 always has me scratching my head. Reliability: Two stroke engines are more reliable in operation as compare to 4 stroke engines. to/3tyjm6T👇 Hydrofoil 👇Canada: 🇨🇦 Dec 9, 2024 · A 4-stroke engine completes its power cycle in four piston movements: intake, compression, power, and exhaust strokes. Being a 4-stroke, you only need a 3 gallon tank instead of the 6 gallon one for your Yamaha. The advantages and disadvantages of each engine type makes them suitable for different roles. The 19 year old Yamaha 90 hp 2 stroke bit the dust. At 5 hp I doubt you would ever notice. 91 4-stroke are about equal. on an outboard engine is a lot of hrs. Overall, this Mercury 20 HP Electric Start 4-Stroke Outboard Motor is the perfect unit to deliver portable power for your small boating needs. Con’s . 4 GPH (3. Lighter outboards ; Accelerate fast, in some cases more top end ; The purchase price is less than a 4-stroke outboard . 58 (4S). 4-Stroke May 22, 2013 · a traditional carbed 2 stroke is a lot louder than the same power 4 stroke, at least when we are talking multi cylinder engines and not kickers. Since the two-stroke isn't encumbered with a valve train, the engine has fewer moving parts. Moreover, Suzuki’s global network includes over 3,000 dealerships and service centers, providing boaters with unparalleled access to parts and service. And my last fishin trip we fished for 3 days from sun up to sun down and use around 12 gallons of gas. The prop on the 2 stroke was a Power Tec 3x13. 5 HP 4-STROKE: A Comprehensive Comparison of Two Reliable 2 HP Outboard Motors When it comes to compact outboard motors, the Suzuki 2. Honda’s BF60 is a single overhead cam in-line three-cylinder outboard engine with a class-leading 998cc – a big displacement for a 60hp outboard engine. Here are a few important factors to consider. In my opinion the perfect motor for an HPX-T is a 2 stroke Feb 22, 2022 · In the 200-225 hp range, the only V8 option is the Pro XS. 9 (36kgs). 2 stroke vs 4 stroke outboard motors: a side by side comparison 2 stroke vs 4 stroke engines Is my outboard a 2 stroke? how can you tell! 4 cycle engine vs 2 cycle Switching from 2-stroke outboards to 4-stroke outboards, the pro’s and Apr 21, 2021 · Hence they have high power to weight ratio as compared to 4 stroke engines. Nov 7, 2023 · Boat motor gas to oil ratios (the unlimited guides) Stroke pros cons outboard outboards Two strokes vs. The good is fuel economy is better and it’s quieter. For its part, a 4-stroke engine requires four strokes of the piston to complete a power cycle. Feb 15, 2021 · Well I did not repower but the diff between a z21 with a 2 stroke vs a 4 stroke was noticeable. Speed, Power, and Performance: 2-Stroke vs. edu What kind of outboard motor is right for your boat? Learn the difference between 2-stroke and 4-stroke outboards, compare pros and cons of both, and find outboard motors for sale on MarineMax. with a direct injected 2 stroke there is less difference but it still is when we compare it to a modern 4 stroke EFI . Ever since they released the legendary 302cc DF15 in the mid ninety’s at 44/45kg other outboard competitors have been trying to catch Suzuki. Most of the newer 4 Jun 8, 2006 · the j/e motors are 4 cylinders.
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