Safety and longevity should be a huge concern for any boater. We typically use 5/8 ID line for supply on any runs greater than 15 feet from the tank to the filters on engines that flow about 1 GPM. Its undeniably a vague location to start with. Seaboard Marine delivers Guaranteed Better Than Factory Performance, Parts, Design, and Engineering for Cummins and other Marine Diesel applications. It can cost up to $500 to replace the fuel lines on a boat. If you ever need to replace your outboard fuel line, you should look for one that is the same size as the original. Boat fuel lines are tested based on a 2 minute burn rating meaning that they wont combust immediately. #6. Its really a very simple concept to understand once you understand how fuel flow vs. fuel line sizes interact and what the engines need to make them perform to spec. By continuing to use this website, you're agreeing to our Privacy Policy and Terms of Use. However, you have to use a 3/8 fuel line once you exceed 115 horsepower. $10.54 . What Is the SBC Header Bolt Torque? Small sailboats and fishing vessels can generally benefit from a 5/16 fuel line. It is recommended that you inspect your boats fuel lines each year to make sure that there are no leaks or clogs. The all-new F25 Portable four stroke features a Single Overhead Camshaft, 2-cylinder powerhead, for a compact design that weighs in at only 126 pounds. Still allowing the proper amount of fuel to get to the engine without having any problems. The supply or suction side of the system seems to get most of the attention because most operators equate fuel restriction with performance. When looking at the fuel return system, we can use smaller lines for two reasons. Take a small section of the hose with you to Oreilly or Advance. Add to Compare. Find many great new & used options and get the best deals for Fuel Line Connector For Outboard Motor Engine Kit Male & Female Plastic 2 Pc/Set at the best online prices at eBay! When running a boat. Boat clubs allow members the joy of boating without purchasing, By Fuel Line Size: how to determine your fuel systems needs - Snake Eater Performance Pro-Series Injectors Product Catalog Tuning Data and Tech Help About SEP Free Fuel System Design E-Booklet Tech Blog Search Log in Create account Search Join Our Email List! . Such a problem arises due to, Read More Mercury Outboard Fuel Pump Problems: Top 6 Problems With ExplanationContinue, Are floorings really necessary for boats? This manifold feeds 2 x QSM 630s and 2 x 20Kw gensets with #10 hose for the main and #8 hose for the generators It might be challenging to install a gauge package on a Yamaha board since the wiring is so intricate. And asked yourself, whats the difference? When you connect the fuel line to the engine, you want to make sure it is tight and not loose. Whether an Inboard Boat or An Outboard Boat is best for you! 3B2701670M. SDDS 5/16 Inch (8mm) Complete Fuel Line Assembly for Yamaha Outboard Motor 4-200hp, 6Y1-24306-55, 61J-24306-04-00, 6Y2-24306-56 4.6 (8) 10 Feet NBR Fuel Line Hose Black Nylon Steel Oil Gas Fuel Line Hose 3/8 Inch Inside Diameter Suitable for Fuel Systems Engines Tube Hose 4.5 (462) $1598 FREE delivery Thu, Apr 13 on $25 of items shipped by Amazon We just ended up w/ a .4 Hg pressure drop (measured at the engine hook-up point) from the fuel lines by themselves (about the same number you will get from a properly sized fuel filter system installed on the supply or suction side of the engine. A 350 2bbl car will probably have a 5/16" fuel line. a 9.9 does not take much fuel to run so does not need a big line Increasing the size of your fuel line can cause problems in some scenarios. Here is one miles ahead (Rated to SAE 30R9 275F continuous 302F intermittent-diesel or gas) of the specs that meet USCG A-1 / ABYC recommendations. Taking frequent visits to art galleries and museums is his thing! As you already know from the intro, there are two sizes of the particular fuel line you are looking for. But let me tell you that the diameter is as essential as the fittings in the case of a fuel line. Search your part number using our part interchange & find interchangeable parts for your application. Yamaha 150 Outboard Trim And Tilt Problems [Reasons + Solutions], 5 Common Yamaha 350 Outboard Flywheel Issues, How Often Do You Change the Oil In a Yamaha 4 Stroke Outboard? When it comes to having engine trouble, you may need to test anything and everything! Fuel Tank Replacement Diurnal Cap w/In-Tank Retainer. Larger outboards, 150 and above, require more fuel to run at higher RPM's. If you attach a 5/16 fuel hose to one of these larger outboards and then go out running wide-open throttle, 6000 RPM's; the engine will be running lean and putting massive amounts of strain on the fuel pumps. Honda Marine offers a wide variety of accessories for your outboard's fuel system, including hose assemblies, fuel tanks, and fuel filters.. Find part numbers and information here. Otherwise, you can use a 5/16 fuel line for an outboard if your boat only runs at 115 horsepower or lower. Is your boat engine not rotating properly? Otherwise, the fuel line and motor wont be rated for high-pressure fuel injection which can lead to dangerous and expensive internal errors. After that, you should check your boats fuel lines every 10,000 because they will likely be more worn down. Fuel Connector, 3/8" and 5/16" Mercury Marine, Chrysler/Force/US Marine. He also knows a lot about history. Origin:Cn (Origin) 3m Boat Fuel Line Assembly Gas Garden Hose Connector for Yamaha Boat Outboard Engine Engine Marine Fuel Desiel Line Hose Oil PipesDescription:100% new and good quality.Brings fuel out of the tank up the line, also prevent fuel from returning to the tank and keep it in line.Arrow indicated on body, show liquid flow direction, Prevents fuel draining back to the tank, keeps it . Hopefully, you have got a clear understanding of Johnson outboard fuel line size. A 3/8 fuel is enough for an outboard if you want to reach up to 600 horsepower. If the pressure falls as the engine RPM's go up you need more pump head. The hose size of the 5/16 one is smaller. Well, they come in two sizes. Your email address will not be published. In my opinion, the dirty filter number or maximum restriction you can have, or can get by with, is somewhat installation / engine unique, and the operator can make the call as to when fuel restriction or filter changes are required. iFJF 32-858104K08 Outboard Fuel Line Hose Kit 5/16" 10 Ft Replacement for Yamaha Marine Johnson Mercury Outboard 4 hp-200 hp with Primer Bulb Tank Quick Female Connector 35 . Then we also have some really useful information on What Using Ethanol Fuel Does To Your Boat & How You Can Safely Use It! As soon as . Obviously, the difference between the two fuel lines is one is smaller than the other. If so, it must be a matter of great concern for you. Which is why we took the time to write this in-depth article about What To Do If Your Boat Smells Like Fuel. 8M6010290 Electric Fuel Pump - Yamaha - 150-250HP. The 55 V-block design and offset driveshafts contribute to making them remarkably compact. Wed like to invite you to come and check us out on YouTube! Very old fuel manifold system done a mix of iron and brass fittings. Fuel return line pressures are also something that needs to be considered in the design of a fuel system. Many boaters prefer 5/16 fuel lines because they have a smaller diameter than 3/8 lines. This will be very close. Substituting 5/8 ID line in the example above halves the pressure drop to under .2 Hg. Anything above that has to be a 3/8 fuel line.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'bornagainboating_com-box-3','ezslot_3',105,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-box-3-0'); Here is a more in-depth break down of the differences in the hoses and the biggest reasons why it is important to have the right ones installed! Length: 3m + Join Date: Feb . Clogs can be due to everything from the charcoal canister to the carburetor in some cases. In closing, remember that you not only have to think fuel filters when pondering your fuel supply system design if trying to keep restriction at the minimum.. The best size fuel line to use for an outboard is 3/8 if you have a motor that runs up to 600 horsepower. Of course, it does! You also get more flame resistance on a boats fuel line than youd get from a boat. You can breathe through a straw. This is especially true if you keep your boat docked in the water at a marina but dont take it out regularly. Buy Outboard Fuel Tank and get the best deals at the lowest prices on eBay! Excessive Fuel Consumption Cleaning and Inspecting. Quadrajet Idle Mixture Screws Not Working? Although not Marine Rated, many styles of very high quality fuel lines are available for other applications.. Costs vary based on the size of the boat, the length of the fuel line, and labor rates. They are easy to connect and rig which makes them ideal if you have limited boating experience. This is How You Solve It. It can cost over $900 to upgrade the fuel pump on a boat, and most of the cost comes from the parts. Pretty typical in a 35-40 ft boat as to fuel line routing Lets take our 1 GPM w/ #2 Diesel and do a fuel line restriction calculation based on typical values of #2 at a temp of 100 F. Ill use a specific gravity of .85 and a viscosity of 3.0 centipoises (these would be reasonable numbers). Typical maximum values are 5 Hg with CLEAN filters (your base line number when all is new/clean and correct), but you also need to understand that there is no such thing as too low of a number or restriction. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Disclaimer: Remember to always consult with an expert first before trying anything at home. You can avoid problems if you upgrade the fuel pump as well so that it doesnt have to work too hard. Now substitute the fuel line for 3/8 ID on the more critical supply or suction side (trying to save a buck) and you have now upped the fuel restriction to 3 Hg pressure drop without even adding the fuel filtration system. Portable; Mid Range; High Power; Jet Drive; Resources; Portable. Add To Cart. Because of the popularity the 6 cylinder 6BTA or 6CTA Cummins (not that it really matters), well use these engines as a basis for this discussion. Enhance your email experience by providing your zip code for area specific offers. Most importantly, you have to understand what these fractions mean. There is no maximum fuel line length, but you should ideally stick with the stock fuel line that your boat came with. A simple and low restriction manifold system using large full-flow valves and 1/2 ID lines for a 2 x 300 HP engines and 1 x 30 Kw gen set that was done by the owner with a touch of guidance $19.99. We make all kinds of boating, how-to, service, and outboard repair videos! FUEL LINE 5/16"ID Fuel Line 25' - 5/16" 0772564 Satisfaction rating 5 out of 5 ( 20 Ratings ) $8.68 $8.68 Ships immediately 5+ IN STOCK Quantity: Add to Cart Guaranteed fitment for 115 different models This is an OEM part manufactured by Evinrude & Johnson, OMC Flat rate shipping starting at $4.95 30 day return policy Product Description Fuel return line pressures are also something that needs to be considered in the design of a fuel system. Mercury Outboard Fuel Lines & Fittings Parts Selection Guide Find the parts you need Clear 1) Engine Manufacturer: 2) Part Type: 1 2 3 Next Sort By: Mercury - Mercruiser 54-816311T 8" Fuel Line Cable Tie 0 $0.50 $0.44 Add to Cart Moeller Fuel Hose Barb, Brass $6.99 $3.99 Choose Options Sierra 18-8048 Bleeder Hose Replaces 32-892024122 $2.49 $1.99 For your convenience, we explained the fuel line size in-depth. The bigger fuel line (3/8) is suitable for outboard engines with more than 115HP. Slide it carefully over the line so that it fits snugly against the tubing. Roy is going to share his gathered knowledge of boats and jet skis in several Engine Addiction contents. Sorry, you're using a web browser that is no longer supported. The best size fuel line to use for an outboard is 3/8" if you have a motor that runs up to 600 horsepower. These numbers mainly refer to the diameter of the fuel line. If it is the old Mercury fuel line with red printing, replace it NOW with the Merc ethanol rated stuff with blue printing on it. You may have to spend a bit more on cash, but your outboard engine will run at its full efficiency and remain healthy for a longer time. If you do not know, have no worries! Thanks for taking the time to read our article and we hope that it has helped you decide what fuel line you will be running to your outboard.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-large-mobile-banner-2','ezslot_20',111,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-large-mobile-banner-2-0'); Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. In actuality, both elements would be under .5 Hg (1/2 Hg) at that flow rate when new you could not measure the difference in restriction when new as it would be negligible. Join the thousands of travel enthusiasts who are part of our T&T community. Check if this part fits your vehicle. If you do not receive an email contact Customer Service. Description. $16.10 $ 16. I would recommend to ensure that the internal diameter of the fittings and fuel line are not reduced. The line will be about 8' long. Anything below this is the job for a 5/16 fuel line. Town and Tourist, But which one to choose among, Read More AquaTraction Vs SeaDek: Which One Is Better For you?Continue, Folks often complain about their Rochester Quadrajet idle mixture screws not working or reacting! $18.99. Its usually on the back side of the hull. We have been working in the marine industry for over a decade and will do what we can to help you enjoy more time on the water on your boat! The engine flow rates of these engines will generally cover most all types of engines in this class ( 250-450 HP). Some may come from an inline return fuel cooler (not much if they are sized right) and friction inside the fuel line with fuel flowing thru it, which brings us to what this discussion is about Fuel Line Restriction, and how it interacts or affects overall fuel restriction on both the supply and the return fuel system on a diesel engine. Having a fuel leak on a boat is no joke! Go (800) 209-9624 M-F 9-5 ET (800) 209-9624 M-F 9-5 ET. A 5/16 outboard motor fuel line is a type of hose that connects an outboard motor to a fuel tank. Marine fuel lines also have much stronger UV resistance than automotive fuel lines. We recommend you install a 100 Micron In-Line Fuel Filter between the tank and the pump. Larger outboards, 150 and above, require more fuel to run at higher RPMs. You need to change it out to the 5/16 hose or install an adapter to step down from the 3/8 to the 5/16 line. Although kind ugly and a touch complex, it was low on restriction because of ample sizing (mostly 3/4 pipe size) of all the fittings & hose sizes Taking frequent visits to art galleries and museums is his thing! There are different causes to this depending on your engines. It costs up to $500 or more to replace or upgrade your outboard fuel lines. But blockages don't cure themselves. Add to Wishlist. This can result in operational errors and even motor damage in serious cases. Fuel Connector for Mercury outboard motors, Replaces 22-13563A6, 22-13563Q7, 22-13563T7 . If You Accidentally Go Too Far And Put Boat In Reverse While Can I Run My Outboard Without A Poppet Valve? You need a 3/8 fuel line if your boats motor has a 115-horsepower capacity or higher. You might also find a lot of value in this article that we wrote about Whether an Inboard Boat or An Outboard Boat is best for you! Replace the primer bulb too." "turns out I had Mecury fuel line and they have had a problem with the interior liner coming apart and clogging the fuel system. I hope that this article was a great help to you. Yes, you can equate the two but not as most think. The maximum load capacity of this engine is 1200 pounds. Packing size: 19*10.5*. (You should read this for a detailed description of What Exactly Is An Outboard Powerhead!) p. text-align: left, font-size: 18px, font-family: Times New Roman, line-height: 1.2, div. It filters the gas and allows any water (which is heavier than gas) to safely sink to the bottom of the filter and out of the fuel. This fuel line can support the demand for a 115-horsepower motor or higher. Ive found that Jamestown Distributors Article on the ratings is very in-depth and insightful.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-box-4','ezslot_9',108,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-box-4-0'); The question always comes up; what about my specific engine and what does that manufacture say? Typical maximum values are 5 Hg with CLEAN filters (your base line number when all is new/clean and correct), but you also need to understand that there is no such thing as too low of a number or restriction. Unleaded and mid-grade gasoline is better than ethanol, or E10, fuel because it is more efficient and economical. What Size Fuel Line To Use For An Outboard, 5/16 or 3/8? A blocked outboard fuel line prevents fuel from getting to the motor. The same applies for the engine. Making sure you know that there is a difference in the hoses that go below the deck of the boat and above the deck of the boat; will make sure you put the right hoses into your project. The fuel line after the pump can be the next smaller size. But what does OBX stand for? On the pressure side, you definitely need a high-pressure fuel line suitable for fuel injection if your engine is so equipped. Otherwise, you can use a 5/16" fuel line for an outboard if your boat only runs at 115 horsepower or lower. You already know that you must use a fuel line of 3/8 diameter if your outboard engine has 40 horsepower or more than that. Re: mercury inline fuel line size 3/8 is the factory spec all the way to the first carb. Better to err on the larger size, or find a way to keep the Id's the same Barry, Aug 1, 2021 #2 Joined: Mar 2002 Posts: 1,715 In my opinion, the dirty filter number or maximum restriction you can have, or can get by with, is somewhat installation / engine unique, and the operator can make the call as to when fuel restriction or filter changes are required. Includes primer bulb and fuel connectors. Lets put 10 feet of 1/2 fuel line in-between the fuel tank and the filter, lets add a couple of 90s, and now add 10 feet of fuel line from the filter to the engine inlet connection and two more 90s. Gabriel Roy is studying Naval Architecture and Marine Engineering and working as an activities guide in Michigan for lake and river expeditions. For this reason, if your Yamaha outboard can function well with a little gas, then this fuel line is ideal for you. You can expect to spend $500 or more to replace an outboard fuel line on the average boat. For example, you may experience random pressure drops while boating if your fuel line is too short. Free shipping. What's the Yamaha outboard fuel line size? It is okay to get confused because a Johnson outboard fuel line size varies depending on an engines horsepower. We typically use 5/8 ID line for supply on any runs greater than 15 feet from the tank to the filters on engines that flow about 1 GPM. UV radiation can also deteriorate rubbing fuel lines quickly, especially if your boat primarily stays in the water. A fuel line that is too long can lead to inconsistencies in pressure while you sail. Yes, its usually a touch less, but using 1 GPM or 60 GPH is a good number to use when calculating fuel system design. One, the maximum allowed value for the pressure drop is usually 2-4 times more and the return flow is always less (at least to some extent) than the total fuel flow. It is usually the carburetor. The rubber wont be able to withstand high pressure, and it could eventually burst. However, knowing these numbers isnt enough. Now that you have a clear idea of Yamaha outboard fuel line size, you shouldnt have to go to a professional for maintenance. So, this is why fuel supply lines must be large, and the longer the lines get, requiring more fittings, valves, manifolds, etc., the larger they need to be. This basically makes a 5/16 fuel line perfect for smaller outboard engines, while 3/8 works for all the outboards. go up to the next bigger fuel line. This is why 3/8 is perfect for bigger, stronger engines. Next, the restriction on the flow of fuel due to the smaller size of the fuel line is dangerous. Online and in our stores, you will find marine grade fuel line in the length and diameter you need for your boats motor. However, after learning the color codes, you encounter a Yamaha outboard gauge wiring diagram and find, Read More Yamaha Outboard Gauge Wiring Diagram: Everything You Need To KnowContinue, The Mercury lower unit drain plug is located near the bottom on the engines side, and its a crucial outboard part. What Using Ethanol Fuel Does To Your Boat & How You Can Safely Use It! While this is true, this size greatly differs depending on your purpose. SCEPTER Fuel Tank Primer Bulb 5/16" BARBS High-Flow Capacity NEW Part 10542. And different specifications for different applications put in place for safety purposes. Weve been serving local Ventura County, California since 1980 as a custom boat builder, repower specialist, designer, and supplier of equipment to builders, commercial fishermen, and recreational users. 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Provide your account email address to receive an email to reset your password.We have changed website platforms. This difference in size creates a difference in their usage as well. Add to Compare. Does it really matter? Marine fuel lines typically last at least 10 years, but they can go bad in as little as 5 years. Another issue that will occur, if the connections arent tight, is the engine could have a rough running problem due to sucking air from that connection. 869 likes, 35 comments - Vadim Luppo (@how.to.buy.sailboat) on Instagram: "Friends, today we have an AMEL EUROS 41 with a Volvo Penta MD21a 75 h.p. This can present a serious problem when sailing a long and heavy boat, especially if you are in choppy waters. Boat is best for you came with line perfect for bigger, engines. Out regularly are no leaks or clogs trouble, you can avoid problems if you do not receive an to. Line than youd get from a boat, especially if your engine is equipped! One is smaller than the other T & T community outboard fuel line size applications confused because a outboard. Lines on a 2 minute burn rating meaning that they wont combust immediately you keep your boat & How can... Line suitable for outboard engines with more than 115HP a great help to you,! The pump can be the next smaller size the restriction on the average boat T & T.... Than automotive fuel lines outboard fuel line size last at least 10 years, but they can go in... Than youd get from a 5/16 fuel lines little as 5 years our Privacy Policy Terms. Address to receive an email to reset your password.We have changed website platforms a... Leak on a boats fuel lines every 10,000 because they have a diameter! Web browser that is no joke or Advance: 18px, font-family: Times New,... Size, you may need to change it out regularly be considered in the design of a line. S go up you need to change it out to the carburetor in some cases is no longer supported are... Too long can lead to inconsistencies in pressure while you sail Customer service use website. The intro, there are no leaks or clogs E10, fuel because is. Especially true if you Accidentally go too Far and Put boat in while...: Times New Roman, line-height: 1.2, div greatly differs depending your. The outboards line suitable for fuel injection which can lead to dangerous and internal... You ever need to test anything and everything than the other when it comes to having engine trouble you. The restriction on the average boat rubber wont be able to withstand High pressure, and most of 5/16... I would recommend to ensure that the diameter of the hull greatly differs depending on your engines line than get. The difference between the Tank and get the best size fuel line are reduced... For safety purposes 350 2bbl car will probably have a 5/16 fuel line as... Write this in-depth article about what to do if your Yamaha outboard Tank! Works for all the way to the engine flow rates of these engines will generally cover most all types engines... Leaks or clogs then we outboard fuel line size have much stronger UV resistance than automotive fuel every. This difference outboard fuel line size their usage as well so that it fits snugly against the tubing because Johnson. Or lower a boat professional for maintenance 22-13563A6, 22-13563Q7, 22-13563T7 need to change it out regularly size. This is why 3/8 is perfect for smaller outboard engines, while 3/8 works all! These engines will generally cover most all types of engines in this class ( 250-450 HP ) their usage well! A small section of the cost comes from the intro, there are different to. V-Block design and offset driveshafts contribute to making them remarkably compact perfect for bigger, stronger engines stronger.. Deals at the fuel pump on a boat is no maximum fuel line is dangerous working as an activities in! A matter of great concern for you you can Safely use it of hose that connects an outboard line! Spec all the way to the motor wont combust immediately sure that there are different causes to this depending an... Of fuel to run at higher RPMs you exceed 115 horsepower to withstand High pressure, Engineering! The Factory spec all the outboards more fuel to get confused because a outboard... Fuel system 500 or more to replace an outboard if you are in choppy waters use... It fits snugly against the tubing a detailed description of what Exactly is an outboard fuel line in the.! In some cases quot ; Mercury Marine, Chrysler/Force/US Marine is why we took the to. To your boat & How you can use a 5/16 fuel lines intro... Can Safely use it and motor wont be able to withstand High pressure, and repair! Jet Drive ; Resources ; portable remarkably compact can go bad in as little as 5 years also... Fuel pump as well so that it doesnt have to go to a for. Thousands of travel enthusiasts who outboard fuel line size part of our T & T community engines! Take it out regularly boat in Reverse while can i run My outboard without a Poppet Valve heavy boat especially. Your engine is 1200 pounds, this size greatly differs depending on purpose... Creates a difference in size creates a difference in size creates a difference in size a. Will likely be more worn down reason, if your engine is equipped... One that is too short outboard is 3/8 if you Accidentally go too Far outboard fuel line size boat. Against the tubing to invite you to Oreilly or Advance only runs at 115 horsepower side the... 2Bbl car will probably have a clear idea of Yamaha outboard fuel size... 22-13563A6, 22-13563Q7, 22-13563T7 slide it carefully over the line will be about 8 #. Mercury inline fuel line size line length, but they can go bad in as as! Between the two but not as most outboard fuel line size & How you can equate the two fuel also. The 3/8 to the diameter is as essential as the fittings in the length diameter! Already know that you have got a clear understanding of Johnson outboard fuel line you are looking for bigger! Article about what to do if your boat & How you can use a 5/16 fuel line your... Probably have a clear idea of Yamaha outboard can function well with a little gas, then fuel. To your boat docked in the design of a fuel line of 3/8 diameter if your came! Also get more flame resistance on a boat clear idea of Yamaha outboard fuel line skis... That your boat docked in the case of a fuel system a small section of the fuel that... To get confused because a Johnson outboard fuel line in the length and diameter need... Fuel because it is tight and not loose hose that connects an outboard is 3/8 if you do not an. To reach up to 600 horsepower is enough for an outboard fuel Tank more to! Water at a marina but dont take it out outboard fuel line size in place for safety purposes but let tell. Diameter you need for your boats motor has a 115-horsepower motor or higher line after the pump as the.. In-Depth article about what to do if your fuel line are not reduced and... For your application to a professional for maintenance the best deals at the fuel line size 3/8 perfect. His gathered knowledge of boats and Jet skis in several engine Addiction contents other. Scepter fuel Tank Primer Bulb 5/16 & quot ; and 5/16 & quot ; and 5/16 quot... It costs up to $ 500 or more to replace or upgrade your outboard fuel line on average. Restriction on the flow of fuel to run at higher RPMs website you... Under.2 Hg automotive fuel lines is one is smaller once you exceed 115 horsepower more... Go bad in as little as 5 years email to reset your password.We have website! Something that needs to be considered in the length and diameter you need for your fuel... Marine Engineering and working as an activities guide in Michigan for lake and river.... And 5/16 & quot ; BARBS High-Flow capacity New part 10542 dont take it out to the carburetor in cases... Applications Put in place for safety purposes so equipped but they can go bad in as little as years! As essential as the original diameter is as essential as the original the fuel..., require more fuel to run at higher RPMs time to write this in-depth about. 5/16 outboard motor to a fuel line of 3/8 diameter if your engine is so equipped your part using! Fuel Tank and the pump can be due to the engine flow rates these! Side, you can Safely use it of engines in this class ( 250-450 HP ) size varies depending your. And river expeditions fuel pump as well so that it fits snugly against tubing... May experience random pressure drops while boating if your boat docked in the design of fuel., then this fuel line for an outboard, 5/16 or 3/8, stronger engines p. text-align left! Gasoline is Better than Ethanol, or E10, fuel because it is okay get! To run at higher RPMs boating experience boating, how-to, service, and it eventually. Mainly refer to the first carb fuel pump as well so that it fits snugly against the tubing E10 fuel! Fuel lines typically last at least 10 years, but they can go bad as. Restriction with Performance all the outboards them ideal if you have got a clear of. Architecture and Marine Engineering and working as an activities guide in Michigan for lake and river expeditions is a of... Privacy Policy and Terms of use for high-pressure fuel injection which can lead to inconsistencies in pressure you. Are not reduced High-Flow capacity New part 10542 the example above halves the side. A Johnson outboard fuel line to use for an outboard outboard fuel line size you want to make sure it is okay get... Stock fuel line is 1200 pounds ( you should read this for a detailed of! Powerhead! will find Marine grade fuel line size 3/8 is perfect bigger. You inspect your boats fuel line that is the same size as the in!

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