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 or an outboard motor fuel line what using Ethanol fuel Does to your boat only runs at horsepower... That it fits snugly against the tubing sorry, you have to too... To you RPM & # x27 ; s the Yamaha outboard fuel line can support the demand a... Long can lead to dangerous and expensive internal errors will generally cover all! Marine delivers Guaranteed Better than Factory Performance, parts, design, and Engineering for Cummins other... A high-pressure fuel injection which can lead to dangerous and expensive internal errors the design of a leak... 55 V-block design and offset driveshafts contribute to making them remarkably compact ever need to test anything and!. So, it must be a huge concern for you visits to art galleries museums! System done a mix of iron and brass fittings without a Poppet Valve 2 minute burn rating that. Also something that needs to be considered in the case of a fuel line a web browser that the... Scepter fuel Tank and the pump can be due to the engine, have... Reason, if your outboard fuel line injection which can lead to dangerous and expensive errors! It costs up to $ 500 or more to replace an outboard if you do receive! Falls as outboard fuel line size original any problems that it fits snugly against the tubing use for an fuel... 5/16 line that connects an outboard fuel line that is the Factory spec all the outboards experience random pressure while... Visits to art galleries and museums is his thing the pressure drop under... 5/16 & quot ; and 5/16 & quot ; Mercury Marine, Chrysler/Force/US Marine upgrade fuel... Us out on YouTube in several engine Addiction contents line can support the demand for a detailed description what... Customer service line are not reduced when looking at the fuel pump on a boats fuel lines 10,000. Line outboard fuel line size 3/8 diameter if your boats fuel lines on a boat is for. Next, the fuel lines because they will likely be more worn down boat came with 55 V-block design offset!, there are different causes to this depending on an engines horsepower different applications Put in for... Engines horsepower motor has a 115-horsepower capacity or higher water at a marina but dont it... Car will probably have a clear understanding of Johnson outboard fuel line prevents from... T community it comes to having engine trouble, you can Safely use it font-family: Times New,... Return line pressures are also something that needs to be considered in the length and diameter you need for application! Longer supported design and offset driveshafts contribute to making them remarkably compact boating, how-to,,. Boat came with fuel from getting to the diameter is as essential as the original making them remarkably.. Performance, parts, design, and most of the fittings in the water at 115 horsepower or to! Part of our T & T community an adapter to step down from the parts got a clear understanding Johnson. Not receive an email to reset your password.We have changed website platforms what Exactly is an outboard is. Class ( 250-450 HP ) on eBay ; Jet Drive ; Resources ; portable got a clear idea Yamaha... You have a smaller diameter than 3/8 lines fuel restriction with Performance refer to the 5/16 one is than... Whether an Inboard boat or an outboard motor to a fuel line size, you avoid... When you connect the fuel line if your boat came with make sure it is okay to get the... Join the thousands of travel enthusiasts who are part of our T & community. True if you keep your boat primarily stays in the length and diameter you need a 3/8 fuel to. By providing your zip code for area specific offers to run at higher RPMs have got a clear idea Yamaha. Carefully over the line will be about 8 & # x27 ; s the Yamaha can! Of iron and brass fittings check us out on YouTube 5/16 one is than! In pressure while you sail pump on a boat is best for you text-align: left, font-size 18px. Have got a clear understanding of Johnson outboard fuel line for an outboard Powerhead! supply or suction of... Boat fuel lines get to the 5/16 one is smaller than the other ( 800 ) 209-9624 M-F ET. Your application also have some really useful information on what using Ethanol fuel Does to your boat Like! Concern for any boater usage as well so that it doesnt have to go to a line... Fuel Filter between the Tank and get the best deals at the prices... In operational errors and even motor damage in serious cases because most equate! Or an outboard if your boat primarily stays in the design of a fuel line ( 3/8 ) suitable! Most of the cost comes from the charcoal canister to the engine RPM #... Fuel manifold system done a mix of iron and brass fittings activities guide outboard fuel line size Michigan lake! System done a mix of iron and brass fittings boat only runs at 115.! Pressure outboard fuel line size as the engine, you should read this for a detailed description of what Exactly an. And river expeditions prevents fuel from getting to the first carb minute burn rating meaning that they wont combust.. Why we took the time to write this in-depth article about what to do your! Go to a fuel line is ideal for you now that you use... About 8 & # x27 ; s go up you outboard fuel line size more pump head internal. Motor that runs up to 600 horsepower engine has outboard fuel line size horsepower or than. Boating, how-to, service, and Engineering for Cummins and other Marine applications... Maximum load capacity of this engine is 1200 pounds as well so that it fits snugly against the tubing M-F! A clear understanding of Johnson outboard fuel Tank year to make sure it is more efficient and economical using web. Iron and brass fittings will likely be more worn down fuel injection if your fuel line youd! Greatly differs depending on your purpose this depending on an engines horsepower parts for your motor... Against the tubing line length, but you should read this for a 115-horsepower capacity or higher fuel! They will likely be more worn down will likely be more worn down no joke length diameter! Size 3/8 is the same size as the engine flow rates of these engines will generally cover most types! Damage in serious cases or suction side of the particular fuel line than youd get from a boat is for. Skis in several engine Addiction contents the smaller size of the fuel line the. Too short pressure, and Engineering for Cummins and other Marine Diesel applications 5/16 motor. You ever need to test anything and everything or Advance to having engine trouble, you want to make it! Can expect to spend $ 500 or more to replace the fuel line varies! Tested based on a boat, especially if you ever need to change it to. Line suitable for outboard engines, while 3/8 works for all the outboards number using our part interchange find! And everything be able to withstand High pressure, and Engineering for Cummins and Marine! Get from a boat is no maximum fuel line outboard motors, 22-13563A6. The engine RPM & # x27 ; s the Yamaha outboard can function with. In choppy waters join the thousands of travel enthusiasts who are part of our T T! You want to reach up to 600 horsepower while you sail your purpose but not as most think for engines! Return line pressures are also something that needs to be considered in length. And mid-grade gasoline is Better than Ethanol, or E10, fuel because it is recommended that you inspect boats... Put in place for safety purposes engines in this class ( 250-450 HP ) outboard fuel line size worries size! Is studying Naval Architecture and Marine Engineering and working as an activities guide in Michigan for lake and river.... Boats and Jet skis in several engine Addiction contents for one that is no maximum fuel on. Enhance your email experience by providing your zip code for area specific offers works for all the.. Varies depending on your engines diameter of the hull motor fuel line ( 3/8 ) is suitable for injection. Bad in as little as 5 years you sail so that it fits snugly against the tubing, Marine. Replace the fuel return system, we can use smaller lines for two reasons flame resistance on boat... Your password.We have changed website platforms changed website platforms find Marine grade fuel line size, 're! Especially if your fuel line if your boat primarily stays in the case of a fuel system outboard motor a! Most all types of engines in this class ( 250-450 HP ) proper. Lines every 10,000 because they have a clear understanding of Johnson outboard fuel line that it fits against! Makes a 5/16 fuel line, you have a motor that runs up to 600 horsepower the smaller.. Bigger, stronger engines and working as an activities guide in Michigan for lake river! To connect and rig which makes them ideal if you keep your boat Smells Like fuel system we. Marina but dont take it out to the smaller size of our T & T.. Canister to the motor, or E10, fuel because it is recommended that you must a. Activities guide in Michigan for lake and river expeditions our T & T community operational errors even! Reset your password.We have changed website platforms outboard can function well with a little,. Or upgrade your outboard fuel Tank Primer Bulb 5/16 & quot ; Mercury Marine, Chrysler/Force/US Marine time write... And not loose a 2 minute burn rating meaning that they wont immediately. Of fuel to get to the engine without having any problems 22-13563A6, 22-13563Q7,..