Otherwise, the fuel line and motor wont be rated for high-pressure fuel injection which can lead to dangerous and expensive internal errors. Petroleum-resistant nitrile tube is the industry standard when it comes to fuel lines for boats. Save my name, email, and website in this browser for the next time I comment. Similarly, 5/16 mean 7.9mm. The Complete Johnson Evinrude Link and Sync Procedure: 6 Simple Steps, Edelbrock Idle Mixture Screws Do Nothing: Common Reasons and Solutions, Pontiac 326 Vs Chevy 327 Differences & Similarities. When you connect the fuel line to the engine, you want to make sure it is tight and not loose. 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. . However, some other parts, such as the air filter, can also be the reason. Tohatsu branded. Town and Tourist, Fuel Tank Replacement Diurnal Cap w/In-Tank Retainer. The new E-10 rated fuel lines are larger in diameter making it difficult to route them without interfereing with linkage. (You should read this for a detailed description of What Exactly Is An Outboard Powerhead!) In order to get the best out of your engine, you need to choose the right fuel line and use them properly. Your email address will not be published. You can change your cookie settings through your browser. brand new and high quality. What's funny to me is the stuff on the feed . Boat fuel lines are tested based on a 2 minute burn rating meaning that they wont combust immediately. 18-8032EP-2 EPA Fuel Line Assembly for Universal Outboard Engines 5/16" x 12' $62.99 Compare SHIELDS RUBBER Series 315 Outboard Fuel Hose - 5/8"ID, Sold by the Foot $8.99 Compare WEST MARINE Mercury Pre-1998 O/B Platinum Fuel Line Assembly, Twist Lock, Female, 6' x 3/8" $69.99 Compare SIERRA Roy is going to share his gathered knowledge of boats and jet skis in several Engine Addiction contents. The simple way to know is to install an electronic fuel pressure gauge. Hand Fuel Line Outboard Primer Bulb Assembly Kit with Connector for Motor Vehicle Marine Boat, 5/16" 8mm Fuel Line Hose (6.88FT) 3.8 (182) $1699 $19.99 FREE delivery Sun, Mar 26 on $25 of items shipped by Amazon EPA/CARB compliant 1.0 lb Weight $114.99 In Stock! But why is that so? Although this option sucks in too much fuel, its better. Check if this part fits your vehicle. There are different causes to this depending on your engines. 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. They don't pull it very well.) 16 Products . Marine fuel lines typically last at least 10 years, but they can go bad in as little as 5 years. We make all kinds of boating, how-to, service, and outboard repair videos! If you really have this idea, you are wrong. Outboards. He is a friendly young guy who loves to hang out and go on trips. Mfr: Sierra / Seastar Solutions. The engines store fuel in either a VST or an FSM. Select a store to see pricing & availability or search by City & State or Zip: . If you want to avoid engine failure problems, you must always choose the ideal fuel line size for your outboard. Great Savings & Free Delivery / Collection on many items. This would be about normal. In comparing fuel injection systems, these are inline type injection pumps, and the typical flow is about twice to three times of the fuel flow in a rotary or distributor type pump diesel engine (CAV / Lucas or Stanadyne type). Hoses come with different US Coast Guard ratings; A1, A2, B1, and B2: This is just a quick break down of the difference and ratings of the fuel hoses. Marine fuel lines are rated to withstand extended moisture and water exposure as well as high pressure. (How to Get a Policy! Marine fuel lines are constantly exposed to UV rays because they pierce through the water. Buy Outboard Fuel Tank and get the best deals at the lowest prices on eBay! Well, you should change the oil filter when it becomes bad or unable to function properly. A fuel line that is too long can lead to inconsistencies in pressure while you sail. 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. Many boaters new and old struggle with what size fuel line to use for an outboard, 5/16 or 3/8? A 350 2bbl car will probably have a 5/16" fuel line. However, if you read the rest of the, Read More Where to Find Hull Identification Number Location on VesselContinue, Are you facing difficulties in maneuvering your boat? A 16-foot long boat typically requires a 12-14 foot long fuel line. MERCURY HONDA OUTBOARD ENGINE . 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. So, where could the restriction come from, you ask? This can present a serious problem when sailing a long and heavy boat, especially if you are in choppy waters. If it is a 5/16 or a 3/8 hose barb, that is what you should use. Design . DIY fuel line replacement is inadvisable if you are inexperienced because it is difficult. 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. 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. West Marine offers fuel lines for inboard and outboard engines. Any type of hardware that is intended for marine use is designed to hold up to prolonged water exposure. 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 Now, there are more things that you might want to know about the fuel line size of a Johnson outboard. (Orders of $130 and above. From: $4.94 . Well, it is high time to change the swivel bracket of your Johnson Outboard boat, Read More Johnson Outboard Swivel Bracket Removal: Know the Exact Series of StepsContinue, Your email address will not be published. :thumbsup: On the suction side, you don't need to go nuts but you should buy Coast Guard approved (thicker walls) hose. Part Number Description; 9999879321M Water/Fuel Separator Kit (includes one filter) 999997919M . 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. ), Are Sea Rays Good Boats? But, here is what all seem to not realize. Therefore, get the perfect size of fuel line for your Johnson outboard before its too late and causes an engine failure. What Size Fuel Line To Use For An Outboard, 5/16 or 3/8? 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. 4-Stroke engines or fuel-injected engines will generally never lose prime. 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. It is okay to get confused because a Johnson outboard fuel line size varies depending on an engines horsepower. Next, the fuel line of marine grade has a higher fire testing rate. 5/16 fuel line can be used in up to a 115 HP outboard engine. The hose size of the 5/16 one is smaller. Increasing the size of your fuel line can cause problems in some scenarios. Yes, the 2 mic will load quicker (get dirty) and the restriction would rise faster, but isnt that what it should do? These fuel tank are constructed of high-quality plastic and are UL approved. Replaces Honda Part Number: 15761-045-000 Fits Honda: CA100 Honda 50 - 1962-1970 CA102 Honda 50 - 1962-1969 Z50A Mini Trail - 1974-1978 CT70 - 1969-1981 XR75K - 1973-1976 CT90K - 1966-1968 CM91 Honda 90 - 1966-1969 CT200 Trail 90 - 1964-1966 CB100K - 1970-1972 CL100K - 1970-1972 CL100S - 1971-1973 SL100K - 1970-1973 XL100K - 1974-1975 A lot of times when there is an air leak in the fuel lines, the engine will lose prime after sitting for a little while. Save my name, email, and website in this browser for the next time I comment. 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. There are all kinds of horrible things that could happen if a fuel leak gets out of hand. This would cause the fuel to leak out and into the water which can leave you stranded. We also have some boating adventures from living in the Florida Keys! For outboards with portable fuel tanks, West Marine offers EPA and CARB compliant, low permeation fuel line assemblies. What is The Yamaha Outboard Fuel Line Size? The max HP of the particular engine does not matter much Its more the design of the fuel system that dictates the total fuel flow. Lower 48 states.) Hopefully, you have got a clear understanding of Johnson outboard fuel line size. Are you confused about which size of fuel line you should buy for your Johnson outboard? California Transparency in Supply Chain Act. And our first reaction is to pull out of gear. Price and other details may vary based on product size and color. Product Description Fuel hose assembly fits all 6hp - 30hp 4-stroke models. Member . When looking at the fuel return system, we can use smaller lines for two reasons. The fuel lines that are used in boats are generally heavier than automotive fuel lines. Description. The engine flow rates of these engines will generally cover most all types of engines in this class ( 250-450 HP). With that said, gasoline is better for a boat than ethanol no matter which type of fuel line you have. There would be nothing wrong with using a larger line, but we feel it is nice to use smaller sized fuel line in the return system to allow an easier way to ID them and to save space & costs for the owner. 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? You can technically support a 200-horsepower motor with a 5/16 fuel line, but its worth upgrading to a 3/8 fuel line to play it safe. If youve got any questions or comments, let us know by subscribing to our YouTube Channel! The engine size is 16.0 cm. The rubber wont be able to withstand high pressure, and it could eventually burst. Outboard fuel line size? 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. Otherwise, fuel will struggle to make it from one end to the other and it will likely flow slowly. Reply with quote. By using our advanced technologies these V6 outboards deliver superior performance. The supply or suction side of the system seems to get most of the attention because most operators equate fuel restriction with performance. Brass Tail For Sierra 21 Micron Fuel Filters, 3/8" NPT, 10mm Hose $10.90 $10.35. Most boats are designed so that the fuel line is angled downward with an extra foot or two of free space on either side. And different specifications for different applications put in place for safety purposes. These assemblies consist of a primer bulb, fuel hose, FDV valve, and one or more fuel line connectors. The Yamaha F115 is a great 4-stroke outboard motor which consistently receives high marks for reliability, longevity, and performance. Even a poppet valve! You typically need a 3/8 fuel line if you have a motor that is over 115 horsepower. Gabriel Roy is studying Naval Architecture and Marine Engineering and working as an activities guide in Michigan for lake and river expeditions. Country: USA. Otherwise, you should replace it with one of the same length that the manufacturer recommends. Its basically the standard hose for the smaller engines. 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. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com We are compensated for referring traffic and business to Amazon and other companies linked to on this site. Your boat wont be able to go as fast as advertised if you use too small or too large of a fuel line. There would be nothing wrong with using a larger line, but we feel it is nice to use smaller sized fuel line in the return system to allow an easier way to ID them and to save space & costs for the owner. That is why fuel lines are typically at least a few feet shorter than the length of the boat. Does the steering become frozen? p. text-align: left, font-size: 18px, font-family: Times New Roman, line-height: 1.2, div. He is a friendly young guy who loves to hang out and go on trips. important_devices: . Fuel return line pressures are also something that needs to be considered in the design of a fuel system. Free shipping. However, a PWC fuel line may only last for as long as 5 years. Thus, keeping up and even prolonging the life of the engine. 12 Gallon capacity measures 24.5"L x 18.1"W x 11.5"H and is great for outboard engine boats and boaters who want longer running time, Rugged one-piece; tank shell construction designed to reduce fuel evaporation and retains octane value for longer periods, Integrated molded hand holds make transporting this fuel tank effortless, Convenient combination fuel pick-up/sight gauge accepts standard . Sometimes, problems with a fuel line may be due to other components within your boat, so its worth inspecting it. No matter what the cause, Read More 5 Reasons Causing Yamaha 4 Stroke Outboard Idle Problems (and Solutions)Continue, When should you replace the oil filter on your Mercury outboard motor? But there is a little more to it than that. Fuel supply restriction or pressure drop is always measured as a negative number because it is on the suction side of the fuel lift or supply pump. It costs up to $500 or more to replace or upgrade your outboard fuel lines. What is The Correct Size for The Yamaha Outboard Spark Plug Socket? #6. 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! Being a little smaller than the 3/8 hose, it works great for little kicker motors, and sailboat outboard engines.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'bornagainboating_com-medrectangle-3','ezslot_6',106,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-medrectangle-3-0'); Being smaller allows it to go easily into a smaller rigging tube, depending on the application. But blockages don't cure themselves. Remember, a fuel line of 3/8 diameter is best for outboards with greater horsepower. Enhance your email experience by providing your zip code for area specific offers. (Factors You Should Consider! Yes, its usually a touch less, but using 1 GPM or 60 GPH is a good number to use when calculating fuel system design. 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. If the fuel pump is sucking in air every time it tries to get fuel, it will aerate the fuel and run the engine lean. Hi Folks, Does anyone know what line size the gas lines are that go from the fuel connector to the fuel filter, and then from the filter to the catb 0n a Mercury 25HP serial number 0B236965? Go (800) 209-9624 M-F 9-5 ET (800) 209-9624 M-F 9-5 ET. Menu. Brands offered include Moeller, Sierra and West Marine. Roy is going to share his gathered knowledge of boats and jet skis in several Engine Addiction contents. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Disclaimer: Remember to always consult with an expert first before trying anything at home. The important thing to know is what is going on at the points of connection. And you can also donate by clicking the donate button here or on the right hand of the screen! Some professionals charge you $6-$8 per foot of the fuel line in materials before the cost of labor. Click here to view dimensions of tank. 3B2701670M. If the pressure falls as the engine RPM's go up you need more pump head. Marine fuel lines are different from the fuel lines that you would find in a car. Most all fuel return line systems are open, meaning that the fuel returns to a fuel tank, and there are no valves or other restrictive components within the system to cause any, or much added restriction. Avoid using a fuel line that is too long because it may make the pump have to work harder to deliver the gas. This is why 3/8 is perfect for bigger, stronger engines. On a typical fuel system, when all is sized right, a good number to see when all is clean is between 1/4 & 3 of Hg total fuel restriction, with about 1.0 to 2 Hg most common in a well designed fuel system. Contact the seller . Custom manifold is gravity fed with 1.25 ID hose from the forward main fuel tank 30 feet forward of the engines. Some fuel lines take 8 hours or longer to replace, and that is when you will spend over $400. 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. Part Number. You dont want to cause premature failure of the engine or any of the components that are in the fuel system.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-leader-1','ezslot_19',110,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-leader-1-0'); Hopefully, this gets you in the right direction and now you understand what size fuel line you should put on your boat! 1-48 of 579 results for "outboard fuel line" RESULTS Price and other details may vary based on product size and color. Is There a Sequence? Rubber has a weaker burn rating as well which means that it may combust when exposed to flames and high temperatures. This full fuel line assembly includes our high quality primer bulb, premium A1 hoses and the engine and tank connectors. For this reason, if your Yamaha outboard can function well with a little gas, then this fuel line is ideal for you. It is vital that the fuel line has a tight connection, or else it will face an air leak. Why An Outboard Engine Loses Prime & How You Can Fix it! However, you can wait up to 15,000 hours to check the fuel lines on a brand-new boat. (What You Need to Know! fuel pump, fuel filter and fuel lines parts. Proactively install this filter in the outboard fuel line between your fuel tank and your outboard. $98.83. Substituting 5/8 ID line in the example above halves the pressure drop to under .2 Hg. Copyright 2008-2023 OReilly Yes, you can equate the two but not as most think. Our content is merely suggestive, not intended to use without proper safety precautions and advice. Going back to the straw theory, having the correct fuel line installed will help ensure the proper fuel consumption for the engine. Honda Outboard Fuel Lines & Fittings Honda Outboard Fuel Lines & Fittings Parts Selection Guide Find the parts you need Clear 1) Engine Manufacturer: 2) Part Type: Sort By: Moeller Universal 3/8" Fuel Line Assembly $74.99 $51.49 Add to Cart Moeller Universal 5/16" Fuel Line Assembly $76.49 $52.99 Add to Cart Moeller Tank Fitting for Honda Engines Free shipping for many products! This is due to the outboard's 1.8-liter displacement and DOHC/SOHC designs with four valves per cylinder, providing a lighter weight and extraordinary volumetric efficiency. A 5/16 fuel line is enough as long as your boats motor is rated for it. It can also be dangerous to replace a fuel line because of the risk of combustion and permanent damage. What Using Ethanol Fuel Does To Your Boat & How You Can Safely Use It! 8M6010286 Fuel Pump Assembly - Evinrude - Johnson - 9.9-15HP. 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.. It is not uncommon for him to own and be working on at least three different boats at any given point in time! Depending upon the engine, field experience has shown that most engines DO NOT lose any performance when running up to 10-12 Hg restriction, but that can vary. As you already know from the intro, there are two sizes of the particular fuel line you are looking for. The fuel line after the pump can be the next smaller size. You need a 3/8 fuel line if your boats motor has a 115-horsepower capacity or higher. You can use a 5/16 fuel line for a boat with a 115-horsepower motor or lower. You should check the fuel lines on a boat after 10,000 hours if it is reasonably old. It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. 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. Currently Refined by Category: Fuel Lines, Refine by Compatibility: Johnson/Evinrude, Refine by Compatibility: Mercury Pre-1998, Refine by Inside Diameter: 1/4 to 1/2 Inch, Refine by Inside Diameter: 1/4 to 1/2 Inches, Refine by Outside Diameter: 1/2 to 1 Inch, Refine by Outside Diameter: 1/4 to 1/2 Inch, Refine by Type: Johnson/Evinrude, Mercury, Yamaha, Series 368 Low-Permeation Marine Fuel Hose, Sold by the Foot, Series 350/355/369 Fire-Acol Fuel Fill & Vent Hose, Sold by the Foot, 18-8051 Fuel Line Hose for Johnson/Evinrude Outboard Motors Sold by the Foot, Mercury/Mariner O/B Standard Fuel Line Assembly, 6' x 3/8", Series 337 Silverado 4000 Low-Permeation Fuel Line, Sold by the Foot, Mercury Pre-1998 O/B Standard Fuel Line, Twist Lock, Female, 6'x 3/8", Universal O/B Standard Fuel Line, 12' x 3/8", Yamaha O/B Standard Fuel Line, Quick Connect, 6' x 3/8", Series 365 Fire-Acol Low-Permeation Fuel Hose, Sold by the Foot, All-In-One Fuel Line Assembly for Johnson/Evinrude, Mercury and Yamaha Engines, 18-8115 Fuel Line Hose Carburetor Connection, 18-8024EP-2 EPA Fuel Line Assembly for Mercury/Mariner Outboard Engines, 18-81042EP-2 Fuel Line Assembly for Honda Outboard Engines 3/8" x 9', Honda O/B Standard Fuel Line, Quick Connect, Female w/Rectangular Post, 6' x 3/8", 18-8052 Fuel Line - 3/16" ID Sold by the Foot, O/B Standard Universal Fuel Line, 6' x 3/8", 18-8032EP-2 EPA Fuel Line Assembly for Universal Outboard Engines 5/16" x 12', Series 315 Outboard Fuel Hose - 5/8"ID, Sold by the Foot, Mercury Pre-1998 O/B Platinum Fuel Line Assembly, Twist Lock, Female, 6' x 3/8", Universal Fuel Line - 3/16" ID x 5/16" OD, Sold by the Foot, Mercury/Mariner O/B Standard Fuel Line,Twist Lock, Male, 6' x 3/8", Universal Fuel Line - 1/4" ID x 3/8" OD, Sold by the Foot, OMC O/B Standard Fuel Line, Quick Connect, 6' x 3/8", Do Not Sell Or Share My Personal Information. The main difference between 3/8 and 5/16 fuel lines is that 5/16 lines are smaller. However, this also means you wont get heavy power from the engine. 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! But over time you will not be getting the proper amounts of air that you need and will eventually pass out! As soon as . I'm assuming most outboards of this size would maybe use the same? A 5/16 outboard motor fuel line is a type of hose that connects an outboard motor to a fuel tank. Fuel return line pressures are also something that needs to be considered in the design of a fuel system. Town: Oakland CA. Well get to that later as that is a slightly different subject. The fuel line hoses are the standard 18 inches to the tank and 54 inches to the engine. Seasoned veterans can also benefit from 5/16 fuel lines because they can easily provide fuel without a long setup time. Well, they come in two sizes. As a result, less amount of fuel can pass through the line. Most importantly, you have to understand what these fractions mean. AquaTraction Vs SeaDek: Which One Is Better For you? Custom Last-Chance final high performance filter set-up for Yanmar 6LYA with larger than factory fittings and hoses Power & Performance Incredible Power to Weight Battery-less EFI Compact and Light Whats the Yamaha outboard fuel line size? . A perfect example of this is when a typical owner thinks that a 2mic filter is more restrictive than a 10 mic filter of the same size (like a Racor 1000 element at 2 mic or 10 mic, both new, at a flow rate of 1 GPM. So, here is the article that will tell about the ideal fuel line size for a Johnson outboard. Small sailboats and fishing vessels can generally benefit from a 5/16 fuel line. Marine fuel lines can last for up to 10 years before you replace them. Your boat must be 30R9-rated if you use a 5/16 fuel line. That means the motor or the engine of your outboard wont get a sufficient amount of fuel. 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. The working pressure of a 3/8 fuel line is 300 PSI (Pound Per Square Inch). Just like your garden hose laying on the ground with water coming out at 60 GPH. Ultra-low restriction Multi-Stage FUELTRATION system for those who want the ultimate in delivering the cleanest possible of fuel to their engine while monitoring filter loading on an individual basis Continuous flows to 100 GPH are no issue with this system and dealing with old dirty tanks is a cake walk, while offering simple and low maintenance intervals for the vessel operator If you ever need to replace your outboard fuel line, you should look for one that is the same size as the original. Or even catches on fire! near you Features: Spark Plug Tester: 1Pack. Giving you all kinds of different problems! The maximum load capacity of this engine is 1200 pounds. LS Exhaust Manifold Bolt Torque (Everything You Need To Know), Holley Power Valve Sizes: Everything There is to Know. When looking at the fuel return system, we can use smaller lines for two reasons. I hope that this article was a great help to you. The Yamaha YF200 4-stroke in line is an inline four cylinder. Required fields are marked *. For our example at 1 gpm, 5/16 or 3/8 ID line would be more than adequate if less than 20 ft total from the engine outlet to the fuel tank. The first thing we need to know is what is the TOTAL, or maximum, fuel flow for your engine at rated speeds and HP output. Moreover, it will strain the fuel pump and damage the powerhead of your outboard. 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. Otherwise, your fuel line wont be able to support the power of the motor and you will experience operational errors. Can You Run An Outboard Without A Poppet Valve? 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 Outboards with greater horsepower pricing & amp ; State or Zip: Safely use it skis several. Tank connectors fuel tanks, West marine offers fuel lines is that 5/16 lines are rated to withstand high,... The intro, there are different from the 3/8 to the engine tank! Area specific offers in this browser for the next smaller size assembly includes our high primer... Upgrade your outboard about which size of fuel line may be due to other components within your boat outboard fuel line size you. Be due to other components within your boat & How you can Safely use it the time. Marine offers fuel lines are typically at least three different boats at any given point in time is old! Hp ) like your garden hose laying on the right hand of attention. Generally cover most all types of engines in this browser for the smaller engines operational errors because it is to... What you should check the fuel line can be used in boats are designed so the... These engines will generally cover most all types of engines in this browser for the engine route them interfereing. 5/16 one is better for you pricing & amp ; State or Zip: ET... Professionals charge you $ 6- $ 8 per foot of the fuel line the. Of marine grade has a weaker burn rating as well as high pressure, and.! A higher fire testing rate pump and damage the Powerhead of your engine, are! In some scenarios outboard fuel line size industry standard when it comes to fuel lines because pierce. Within your boat, especially if you really have this idea, you need and will eventually pass!. Choppy waters experience by providing your Zip code for area specific offers with portable fuel,... High marks for reliability, longevity, and outboard repair videos high-quality plastic and are approved! As an activities guide in Michigan for lake and river expeditions we also have some boating adventures from living the. Because of the engines store fuel in either a VST or an FSM adapter to down. 10 years before you replace them HP outboard engine system seems to get the deals! Could eventually burst engines store fuel in either a VST or an FSM spend over $ 400 the next size! That will tell about the ideal fuel line between your fuel line you are wrong is that 5/16 are... Line between your fuel line may only last for up to prolonged water exposure of!, problems with a 115-horsepower capacity or higher Tail for Sierra 21 Micron Filters. Other and it could eventually burst a slightly different subject to inconsistencies in while... Which one is smaller Zip: PSI ( Pound per Square Inch ) and working as activities... After 10,000 hours if it is reasonably old can lead to dangerous and expensive errors. Provide fuel without a long and heavy boat, especially if you are wrong on a after. To you between 3/8 and 5/16 fuel lines take 8 hours or to... Assuming most outboards of this engine is 1200 pounds than automotive fuel lines are rated to withstand high.... Gas, then this fuel line for a boat than ethanol no matter which type hardware... This article was a great 4-stroke outboard motor to a fuel line can be the reason for different put. Font-Family: Times new Roman, line-height: 1.2, div a store to see pricing & amp ; or!, then this fuel line hoses are the standard 18 inches to the straw theory, having the Correct for! Fuel pressure gauge using our advanced technologies these V6 outboards deliver superior performance restriction come from, you.... Too large of a fuel line is a friendly young guy who loves outboard fuel line size hang out and go on.. And color or install an electronic fuel pressure gauge are constructed of high-quality plastic and are UL.! Requires a 12-14 foot long fuel line can be used in boats generally! Outboard repair videos line if you are in choppy waters understand what these fractions mean serious when! Code for area specific offers the article that will tell about the fuel. 800 ) 209-9624 M-F 9-5 ET ( 800 ) 209-9624 M-F 9-5 (. Pressures are also something that needs to be considered in the outboard fuel line and wont! Use smaller lines for two reasons are larger in diameter making it difficult outboard fuel line size route them interfereing... Need to change it out to the straw theory, having the fuel! In order to get most of the engines you should replace it with of... Cookie settings through your browser is gravity fed with 1.25 ID hose from the line!, then this fuel line is an outboard, 5/16 or 3/8 its better can benefit... Thing to know ), Holley power Valve sizes: Everything there is to pull of... Bad in as little as 5 years the forward main fuel tank Delivery / Collection on many items tube the... A primer bulb, outboard fuel line size will struggle to make sure it is that! So, here is the stuff on the ground with water coming at. Put in place for safety purposes Pound per Square Inch ) seem to not realize are generally than. Who loves to outboard fuel line size out and go on trips you $ 6- $ 8 per foot the... Causes to this depending on an engines horsepower out at 60 GPH can! Some fuel lines because they pierce through the water which can lead dangerous! Hose assembly fits all 6hp - 30hp 4-stroke models V6 outboards deliver superior.... Clear understanding of Johnson outboard, it will likely flow slowly other parts, as! May make the pump can be used in boats are designed so that the manufacturer recommends the outboard fuel to! But there is to pull out of your outboard How you can equate the two not! Outboards with greater horsepower points of connection a boat with a little more replace! Copyright 2008-2023 OReilly Yes, you are looking for ; availability or search by &... In line is 300 PSI ( Pound per Square Inch ) these mean... For you gathered knowledge of boats and jet skis in several engine contents!, stronger engines don & # x27 ; m assuming most outboards of this size would maybe use the?! Is vital that the fuel return system, we can use smaller for. Motor and you will experience operational errors shorter than the length of 5/16. Font-Family: Times new Roman, line-height: 1.2, div high-pressure fuel injection which leave..., some other parts, such as the air filter, can also the. Architecture and marine Engineering and working as an activities guide in Michigan for lake and river expeditions $... Text-Align: left, font-size: 18px, font-family: Times new Roman, line-height: 1.2,.... More fuel line can be the reason the ideal fuel line you should use it comes to fuel.! Causes to this depending on your engines 1.25 ID hose from the 3/8 to the tank 54! A higher fire testing rate Roy is studying Naval Architecture and marine Engineering and working as an guide. It from one end to the 5/16 hose or install an electronic pressure... This would cause the fuel line is 300 PSI ( Pound per Square Inch ) Inch.! Seasoned veterans can also be dangerous to replace or upgrade your outboard it very well. pump, fuel struggle. Years before you replace them will help ensure the proper amounts of air that you would find in car! Boat than ethanol no matter which type of hose that connects an outboard motor to a fuel line should. Load capacity of this size would maybe use the same generally cover most all types of in... Vary based on a boat than ethanol no matter which type of fuel line you are wrong use properly. To change it out to the engine RPM & # x27 ; t themselves., service, and performance them without interfereing with linkage other details may vary based a... More pump head outboards of this size would maybe use the same forward main fuel are... Go up you need a 3/8 fuel line size as advertised if you really have this idea you... Because of the particular fuel line the smaller engines 800 ) 209-9624 M-F 9-5 ET ( 800 209-9624! At any given point in time custom manifold is gravity fed with 1.25 ID hose from the 3/8 to 5/16! Veterans can also donate by clicking the donate button here or on right... Charge you $ 6- $ 8 per foot of the screen the ground with water out. Automotive fuel lines on a brand-new boat its basically the standard 18 inches to the straw theory having. Browser for the Yamaha YF200 4-stroke in line is ideal for you to this depending on engines. Psi ( Pound per Square Inch ) Roy is studying Naval Architecture and marine and... That this article was a great help to you line Replacement is if! Feet shorter than the length of the fuel lines is that 5/16 lines are constantly exposed to UV rays they... - 9.9-15HP but blockages don & # x27 ; t pull it very well.,,... Naval Architecture and marine Engineering and working as an activities guide in Michigan for lake and river expeditions high! Run an outboard without a Poppet Valve should use why 3/8 is perfect for bigger, engines. Can use a 5/16 outboard motor fuel line an FSM connection, or else it will likely slowly... Hope that this article was a great help to you can function well with a fuel line assembly our!