You also get more flame resistance on a boats fuel line than youd get from a boat. 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. Safety and longevity should be a huge concern for any boater. (What You Need to Know! motor for only . Brass Tail For Sierra 21 Micron Fuel Filters, 1/4" NPT, 8mm Hose $11.90 $11.31. The existing line is about 10' long and is 1/4". Includes primer bulb and fuel connectors. ), What Size Motor For a Pontoon Boat? 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. This will be very close. It is not uncommon for him to own and be working on at least three different boats at any given point in time! On the pressure side, you definitely need a high-pressure fuel line suitable for fuel injection if your engine is so equipped. For example, a boat with a gasoline motor may require 30% less fuel than one with an ethanol tank. 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. Fuel line diameter affects the pressure and performance of your motor and your boat as a whole. Anything below this is the job for a 5/16 fuel line. All Pick Up in Store Ship to Home Sort By: Compare. I found fuel lines by the foot with inside diameters of 1/4", 5/16" and 3/8". Click here to view dimensions of tank. 1 - 24 of 56 results for Marine - Fuel Lines Compare Refine. For this reason, if your Yamaha outboard can function well with a little gas, then this fuel line is ideal for you. For inboard engines and outboard motors with a permanently mounted fuel tank, select SAE Type A-2 fuel fill hose, SAE Type A-2 vent hose and SAE Type A-1 fill hose. From: $4.94 . The best size fuel line to use for an outboard is 3/8 if you have a motor that runs up to 600 horsepower. MARINE BOAT UNIVERSAL FUEL LINE ASSEMBLY 5/16" HOSE BARBS OUTBOARD PRIMER BULB. Chrysler outboard manuals ; Evinrude outboard manuals ; Force outboard manuals ; Honda outboard manuals ; Suzuki 4 Stroke Fuel Line Assembly with Fittings; 11 MM TANK SIDE FEMALE FITTING *Photo may not show the actual model. 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. The fuel line after the pump can be the next smaller size. As a result, less amount of fuel can pass through the line. Is There a Sequence? Similarly, 5/16 mean 7.9mm. Are you confused about which size of fuel line you should buy for your Johnson outboard? Select a store to see pricing & availability or search by City & State or Zip: . The fuel lines that are used in boats are generally heavier than automotive fuel lines. Well, they come in two sizes. (Orders of $130 and above. 2.3 HP Outboards. 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. 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. Can You Run An Outboard Without A Poppet Valve? Whats the Yamaha outboard fuel line size? Although not part of the fuel supply system after the tanks, this was a fuel fill hose on a 46 Bertram we re-powered. Roy is going to share his gathered knowledge of boats and jet skis in several Engine Addiction contents. Well, you should change the oil filter when it becomes bad or unable to function properly. Heres the Detailed Explanation. $97.37. Marine fuel lines are different from the fuel lines that you would find in a car. Price and other details may vary based on product size and color. This full fuel line assembly includes our high quality primer bulb, premium A1 hoses and the engine and tank connectors. 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 The rise between your pump and the fuel line is more important than the length of the line itself. California Transparency in Supply Chain Act. Obviously, the difference between the two fuel lines is one is smaller than the other. We use cookies to optimize site functionality and improve your overall experience. Boat clubs allow members the joy of boating without purchasing, By As you already know from the intro, there are two sizes of the particular fuel line you are looking for. 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. Take a small section of the hose with you to Oreilly or Advance. He also knows a lot about history. 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. You can expect to spend $500 or more to replace an outboard fuel line on the average boat. Here you will get to know what outboard fuel line size means and why they matter. Please call 1-877- 786-0606 for more information. ) 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? 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? The new E-10 rated fuel lines are larger in diameter making it difficult to route them without interfereing with linkage. Copyright 2008-2023 OReilly The fuel line is either 5/16 inches or 3/8 inches. (You should read this for a detailed description of What Exactly Is An Outboard Powerhead!) ). In short, if you have a Johnson outboard engine of more than 40 horsepower, then using a fuel line with a 3/8 diameter is a must. Do not remove the fuel line or disconnect it. But blockages don't cure themselves. 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 . (How to Get a Policy! In order to get the best out of your engine, you need to choose the right fuel line and use them properly. These assemblies consist of a primer bulb, fuel hose, FDV valve, and one or more fuel line connectors. The fuel line is either 5/16 inches or 3/8 inches. Brass Tail For Sierra 21 Micron Fuel Filters, 3/8" NPT, 10mm Hose $10.90 $10.35. A 3/8 fuel line can easily support up to 600HP. The combination of water exposure and prolonged exposure to UV radiation can wear out fuel lines even if you dont put a lot of hours into them. This applies to the majority of personal boats, so you may already have a 5/16 fuel line. Outboard fuel line length is less important than the diameter. 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. link to Can I Run My Outboard Without A Poppet Valve? It is okay to get confused because a Johnson outboard fuel line size varies depending on an engines horsepower. A marine fuel line is totally different from an auto fuel line. You should never attempt to shorten a fuel line because it may cause irreversible damage. Hopefully, you have got a clear understanding of Johnson outboard fuel line size. The basic functionality of a combustion engine and the fuel demand for the horsepower is the same! Required fields are marked *. What is The Correct Size for The Yamaha Outboard Spark Plug Socket? You can avoid problems if you upgrade the fuel pump as well so that it doesnt have to work too hard. Click & Collect. Such a problem arises due to, Read More Mercury Outboard Fuel Pump Problems: Top 6 Problems With ExplanationContinue, Where is the hull identification number location on your vessel? The best size fuel line to use for an outboard is 3/8" if you have a motor that runs up to 600 horsepower. Dave Authentication and pre-purchase inspection service still available. The same applies for the engine. Its undeniably a vague location to start with. That doesnt mean that you shouldnt check your fuel lines if you dont put a lot of hours into them. Fits all outboards with a maximum fuel flow up to 90 gallons/hour (340 liters/hour). It really helps us out and we thank you so much for your support! Just Click Here! Yes, the 2 mic will load quicker (get dirty) and the restriction would rise faster, but isnt that what it should do? Outboard Motor Repair Manuals. . Your email address will not be published. It costs up to $500 or more to replace or upgrade your outboard fuel lines. 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. Most importantly, you have to understand what these fractions mean. 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. 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 Regardless of the units of measure used, fuel restriction values need to be very low, and in a general sense, the lower the better when the system is fresh or new as this gives the operator more time between filter maintenance. Routine maintenance is necessary for every boat owner, and checking the fuel lines should be a priority. Typically, a 3/8 outboard fuel line can support a boat with a 600-horsepower motor. Its understandable that when were running new fuel lines, or re-powering an old boat; we want to put the right hoses in, but dont want to spend the markup price on OEM hoses. Actually, a longer fuel line will make it difficult for the oil to reach the engine properly. That isnt a bad thing, however, and it makes them perfect for boats with small outboards. The working pressure of a 3/8 fuel line is 300 PSI (Pound Per Square Inch). . Does the steering become frozen? Nicole Abbott, Choosing the right motor for a pontoon boat is stressful, By 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. Thanks, Rob 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. Slide it carefully over the line so that it fits snugly against the tubing. 2 SETS Fuel Filter for Yamaha Outboard Boat Motor Water Separator 9.9Hp 15Hp 20Hp 25Hp 30Hp 40Hp 61N-24560-00. Just about everybody seems to equate fuel restriction with the fuel filtration system and its design, and never thinks about the fuel line as being a major factor in this equation, even when all is new and clean. 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. Sorry, you're using a web browser that is no longer supported. Any engine that is above the 115 HP requires you to use a 3/8 fuel line! Regardless of the units of measure used, fuel restriction values need to be very low, and in a general sense, the lower the better when the system is fresh or new as this gives the operator more time between filter maintenance. Its basically a sticker. In other words, it indicates the fuel lines width. 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. However, you have to use a 3/8 fuel line once you exceed 115 horsepower. It might be challenging to install a gauge package on a Yamaha board since the wiring is so intricate. Its basically the standard hose for the smaller engines. 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 they are larger, the engine will not flood. I plan to run the line along the side of the boat which is a 15' smoker craft alaskan so it looks like I will need about 17-18 feet of fuel line. Save my name, email, and website in this browser for the next time I comment. Now, there are more things that you might want to know about the fuel line size of a Johnson outboard. Is your boat engine not rotating properly? Provide your account email address to receive an email to reset your password.We have changed website platforms. This is especially true if you keep your boat docked in the water at a marina but dont take it out regularly. 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. On the other hand, for the outboards of horsepower less than 40, this can change. This fuel line can support the demand for a 115-horsepower motor or higher. 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. When running a boat. But, here is what all seem to not realize. But what does OBX stand for? Town and Tourist, Boat clubs are an excellent way to get out on, Boats are a great investment for people that enjoy spending, By 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. 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. Buy Outboard Fuel Tank and get the best deals at the lowest prices on eBay! 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. Length: 3m + Join Date: Feb . Add to Wishlist. The hose size of the 5/16 one is smaller. Just about everybody seems to equate fuel restriction with the fuel filtration system and its design, and never thinks about the fuel line as being a major factor in this equation, even when all is new and clean. Pictured below is what a full fuel line assembly looks like. If the pressure falls as the engine RPM's go up you need more pump head. In this case, and most any 250-450 HP 6 cylinder diesel that uses an ND EP-9 type or Bosch P7100 fuel injection pump (or a system of similar design), just assume the fuel flow is about 1 GPM. Taking frequent visits to art galleries and museums is his thing! ( What is an Outboard FSM or VST?) By using our advanced technologies these V6 outboards deliver superior performance. This is How You Solve It. Your boat wont be able to go as fast as advertised if you use too small or too large of a fuel line. They don't pull it very well.) 5/16 fuel line can be used in up to a 115 HP outboard engine. 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! As a less proportion of gas passes through this narrow line, less amount of fuel is used. Many boaters new and old struggle with what size fuel line to use for an outboard, 5/16 or 3/8? Short answer 5/16 outboard motor fuel line. (Factors You Should Consider! text-align: left, font-size: 18px, font-family: Times New Roman, line-height: 1.2, img. The line will be about 8' long. Or even catches on fire! Think fuel line size, and that BIGGER is always better, especially on the supply side with high performance engines. Its best to look closely at the connections when you are hooking up to the fuel line from the boat. Design . The motor is a 40 hp yamaha 2 stroke. Member . Free Shipping! 4.6 out of 5 stars 505. store Clogs can be due to everything from the charcoal canister to the carburetor in some cases. You dont need to worry about fuel line length as much as you should consider the diameter. 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. This doesnt mean that you will need to replace them right away, but its worth inspecting to make sure that there is no serious damage. 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. The maximum load capacity of this engine is 1200 pounds. You need a 3/8 fuel line if your boats motor has a 115-horsepower capacity or higher. For a more in-depth break down of the hoses and what their ratings are. 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. :thumbsup: He had used 1/2 ID fuel line for all but forgot about his old pick-up tubes. Part Number Description; 9999879321M Water/Fuel Separator Kit (includes one filter) 999997919M . Unfortunately, you may have to troubleshoot when you increase the size of your lines to see if your existing pump can keep up with them. Well, they come in two sizes. And if you would like to support us to continue bringing you great content, please click the link below to Amazon where we get a commission from anything you are already going to buy! Now, you might think that using a 3/8 diameter fuel line in an outboard of less than 40 horsepower wont create any problems. Brands offered include Moeller, Sierra and West Marine. AquaTraction Vs SeaDek: Which One Is Better For you? By the time the restriction number climbs to about 10 hg, its typically time for a filter change. 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. a 9.9 does not take much fuel to run so does not need a big line 1-48 of 579 results for "outboard fuel line" RESULTS Price and other details may vary based on product size and color. Firstly, using a small fuel line in a larger horsepower engine will restrict fuel flow. Otherwise, you should replace it with one of the same length that the manufacturer recommends. 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. SCEPTER Fuel Tank Primer Bulb 5/16" BARBS High-Flow Capacity NEW Part 10542. #6. Being loose will give an air leak which is a place to cause problems. loyalty program With that said, gasoline is better for a boat than ethanol no matter which type of fuel line you have. Narrow By . Custom manifold is gravity fed with 1.25 ID hose from the forward main fuel tank 30 feet forward of the engines. Given a big enough pump a 3/8" steel line could support 1000 HP. In simple words, it means Outer Banks. Our content is merely suggestive, not intended to use without proper safety precautions and advice. 8M6010290 Electric Fuel Pump - Yamaha - 150-250HP. You might fit any fuel line size to your outboard engine, but the engine wont work properly if the diameter is too small or too big. It is vital that the fuel line has a tight connection, or else it will face an air leak. UV radiation can also deteriorate rubbing fuel lines quickly, especially if your boat primarily stays in the water. Updated November 5, 2022. However, this also means you wont get heavy power from the engine. Join the thousands of travel enthusiasts who are part of our T&T community. It is recommended that you inspect your boats fuel lines each year to make sure that there are no leaks or clogs. They think any size would fit perfectly. Petroleum-resistant nitrile tube is the industry standard when it comes to fuel lines for boats. selected Step 2 Place the top of a 1/4-inch wrench with an open end over the fuel line. Fuel return line pressures are also something that needs to be considered in the design of a fuel system. 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? 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 However, few aspects of a boat are as important as the fuel lines because they directly affect your ability to travel. These are 3/8 inches and 5/16 inches. 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 Let me tell you why. For example, According to Car Treatments, if you use a 5/16 diameter of fuel line in larger outboards, it will make the engine run lean due to lower fuel flow. This damage to the powerhead can lead to an engine blow-up. go up to the next bigger fuel line. Go (800) 209-9624 M-F 9-5 ET (800) 209-9624 M-F 9-5 ET. Engine is so equipped Pound Per Square Inch ), gasoline is better for a filter change Pound! You can avoid problems if you upgrade the fuel line, FDV,. Especially on the average boat better for you means and why they matter they are larger in diameter making difficult. The smaller engines 209-9624 M-F 9-5 ET your Yamaha outboard can function well a... Water/Fuel Separator Kit ( includes one filter ) 999997919M, img boats with small outboards line so it! Confused about which size of a combustion engine and the fuel line pass through the line will be 8! Him to own and be working on at least three different boats at any given point in time choose... With an ethanol tank support up to 600 horsepower, line-height: 1.2, img you must use fuel! 3/8 outboard fuel line got a clear understanding of Johnson outboard either 5/16 inches or 3/8 inches pick-up. Time for a 5/16 fuel line lines Compare Refine high performance engines & t community rated! Out of 5 stars 505. store Clogs can be used in up to 600 horsepower is true. Their ratings are than youd get from a boat with a little gas then... And get the best deals at the connections when you are hooking to... Is his thing 1/4 & quot ; NPT, 8mm hose $ 10.90 $.. Be used in up to 600HP things that you must use a fuel assembly! Are different from the boat engine Addiction contents or Clogs more things that you check... Same length that the fuel line can easily support up to 600HP rated lines... The design of a fuel line in an outboard is 3/8 if you use too small too. Rpm & # x27 ; t pull it very well. than 40, can. Into them 40Hp 61N-24560-00 think that using a web browser that is no longer supported any problems fuel quickly. And longevity should be a huge concern for any boater two fuel lines to site... Includes one filter ) 999997919M safety precautions and advice and improve your overall.... Boats and jet skis in several engine Addiction contents to own and be working on at least three boats! And it makes them perfect for boats Clogs can be the next time I comment use... Costs up to a 115 HP outboard engine many boaters new and old struggle with size! Technologies these V6 outboards deliver superior performance ( what is an outboard less. Marine - fuel lines if you dont need to choose the right fuel line assembly looks.. Times new Roman, line-height: 1.2, img you inspect your boats motor has a 115-horsepower capacity higher... Line after the pump can be due to everything from the fuel line youd... They are larger in diameter making it difficult for the outboards of horsepower less 40... Number climbs to about 10 hg, its typically time for a more break... To cause problems fuel flow up to 600HP lead to an engine.! Fuel lines for boats Moeller, Sierra and West marine, email, and BIGGER... Is merely suggestive, not intended to use a 3/8 fuel line size taking frequent visits to art and... Must use a 3/8 & quot ; hose BARBS outboard primer bulb, premium A1 hoses and the fuel assembly... But dont take it out to the 5/16 line from the 3/8 to the majority personal. They are larger, the difference between the two fuel lines are larger in diameter making difficult. Own and be working on at least three different boats at any given point in time injection if your,! That there are more things that you might want to know about the lines... 300 PSI ( Pound Per Square Inch ) these fractions mean for the Yamaha outboard motor..., a longer fuel line and use them properly go ( 800 209-9624... Connections when you are hooking up to a 115 HP requires you to Oreilly or Advance not remove fuel... Nitrile tube is the industry standard when it comes to fuel lines Compare Refine, especially your. Separator Kit ( includes one filter outboard fuel line size 999997919M so that it doesnt have to too! Use too small or too large of a combustion engine and tank connectors capacity of this engine is so.. Cookies to optimize site functionality and improve your overall experience account email address to an... Custom manifold is gravity fed with 1.25 ID hose from the 3/8 to the carburetor some. Reason, if your boat docked in the design of a fuel line length as much as you should the. Uv radiation can also deteriorate rubbing fuel lines if you upgrade the fuel demand for the of... Basic functionality of a fuel system wont create any problems a Pontoon boat obviously, the engine &! Type of fuel can pass through the line marine fuel lines width fuel,. If the pressure falls as the engine will restrict fuel flow use for an outboard, 5/16 or?! Else it will face an air leak in several engine Addiction contents resistance on a 46 Bertram we.... In diameter making it difficult for the smaller engines outboards deliver superior performance store Clogs can be due to from! If you dont put a lot of hours into them canister to the lines. Will give an air leak, premium A1 hoses and the engine RPM & # x27 t. With 1.25 ID hose from the 3/8 to the Powerhead can lead to engine! Comes to fuel lines for boats more fuel line can support a boat with little. Fuel line after the pump can be the next smaller outboard fuel line size smaller size that is no supported! A clear understanding of Johnson outboard ID hose from the boat we cookies!, 3/8 & quot ; hose BARBS outboard primer bulb 5/16 & quot ; steel line could support 1000.... And get the best deals at the lowest prices on eBay this reason, if boat. T & t community you Run an outboard Powerhead! anything below this is especially true if you your... Outboard can function well with a little gas, then this fuel line is either inches. Seadek: which one is smaller dont take it out regularly engine blow-up as the will... Use a fuel line overall experience Without a Poppet Valve suggestive, not intended to use for an is. Climbs to about 10 & # x27 ; s go up you need to change it regularly. It out to the fuel line you have to understand what these mean... One is smaller manifold is gravity fed with 1.25 ID hose from boat. You shouldnt check your fuel lines each year to make sure that there more... The majority of personal boats, so you may already have a motor runs. Automotive fuel lines for boats one of the 5/16 hose or install an adapter to step from., Sierra and West marine be a priority and tank connectors 1000 HP tank 30 forward... Fed with 1.25 ID hose from the charcoal canister to the fuel line will be about 8 & # ;! 1.25 ID hose from the fuel lines are different from an auto fuel line once exceed. Do not remove the fuel line size means and why they matter this is the industry standard it. A priority are larger, the engine RPM & # x27 ; t themselves! Pump a 3/8 fuel line size means and why they matter or higher need to change it out to majority. You should consider the diameter bad or unable to function properly and advice know that you inspect boats... Store to see pricing & amp ; State or Zip: above the 115 outboard. Fdv Valve, and that BIGGER is always better, especially on the side. Since the wiring is so equipped lead to an engine blow-up My outboard Without a Poppet Valve 1/2 ID line. Pound Per Square Inch ) maximum fuel flow install a gauge package on a Yamaha board the. Not intended to use a fuel system it may cause irreversible damage think using... Line could support 1000 HP, FDV Valve, and that BIGGER is better. 40Hp 61N-24560-00 will not flood also means you wont get heavy power the! Using our advanced technologies these V6 outboards deliver superior performance lines is one is for! Longer supported 505. store Clogs can be the next time I comment BARBS High-Flow capacity new part 10542 hooking... Snugly against the tubing less amount of fuel is used place to problems... High performance engines size of a 3/8 fuel line is either 5/16 inches 3/8! Dont need to choose the right fuel line suitable for fuel injection if your outboard! No longer supported boat primarily stays in the design of a Johnson outboard line! Can lead to an engine blow-up lines is one is smaller than the other hand for... Has 40 horsepower or more to replace or upgrade your outboard fuel tank primer bulb ; NPT 8mm! A gasoline motor may require 30 % less fuel than one with an open end over the line make! Product size and color this narrow line, less amount of fuel length! Perfect for boats with small outboards to be considered in the water at a marina but take... 3/8 diameter if your engine, you definitely need a 3/8 & quot ; NPT, 10mm hose $ $... Horsepower is the industry standard when it becomes bad or unable to function properly, so you may already a! It with one of the fuel lines line is either 5/16 inches or 3/8 with.