But, here is what all seem to not realize. 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. However, understanding this straw theory, you should be fine with running the new hoses and hooking up to your outboard. link to Accidentally Put Boat In Reverse While Driving? You can spend as little as $70 to replace your boats fuel lines if you dont take advantage of professional help. If you want to avoid engine failure problems, you must always choose the ideal fuel line size for your outboard. You can use a 5/16 fuel line for a boat with a 115-horsepower motor 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. 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? This will be very close. 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. Every component of a boat is critical to its longevity and performance. Wed like to invite you to come and check us out on YouTube! Otherwise, fuel will struggle to make it from one end to the other and it will likely flow slowly. PM me for more information. $10.54 . Your boat must be 30R9-rated if you use a 5/16 fuel line. Firstly, using a small fuel line in a larger horsepower engine will restrict fuel flow. _____ _____ 29 June 2015, 23:18 #2: jyasaki. So, where could the restriction come from, you ask? $19.99. 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. 8M6010292 Fuel Pump Kit - Yamaha - 75-115HP. FREE . While this is true, this size greatly differs depending on your purpose. Search your part number using our part interchange & find interchangeable parts for your application. . Some fuel lines take 8 hours or longer to replace, and that is when you will spend over $400. The ideal length of the fuel line is 6 inches. But there is a little more to it than that. Then you have to prime up the system again before running!if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'bornagainboating_com-banner-1','ezslot_14',109,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-banner-1-0'); Here is an article that we wrote on Why An Outboard Engine Loses Prime & How You Can Fix it! Kaylee Giacomini, Owning a boat can add lots of opportunities for adventure,, By A 5/16 fuel line is enough as long as your boats motor is rated for it. Stacy Randall, If youre in the market for a new boat, you, By Gabriel Roy is studying Naval Architecture and Marine Engineering and working as an activities guide in Michigan for lake and river expeditions. Government Sales. If you use a 3/8 diameter fuel line instead of a 5/16 in a lower horsepower engine, the connection wont be tight. You should at least inspect your fuel lines at least once per year even if you dont use your boat often. 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. Please call 1-877- 786-0606 for more information. ) Most importantly, you have to understand what these fractions mean. Thanks, Rob According to this table from inchcalculator.com, 3/8 mean 9.5mm. This article has the answer. Just Click Here! Country: USA. ), Do You Need Boat Insurance When Renting a Boat? Well, they come in two sizes. The line will be about 8' long. 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. Mfr: Sierra / Seastar Solutions. The important thing to know is what is going on at the points of connection. Most importantly, you have to understand what these fractions mean. SCEPTER Fuel Tank Primer Bulb 5/16" BARBS High-Flow Capacity NEW Part 10542. Being loose will give an air leak which is a place to cause problems. Marine fuel lines typically last at least 10 years, but they can go bad in as little as 5 years. . 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. Are you confused about which size of fuel line you should buy for your Johnson outboard? The hose size of the 5/16 one is smaller. Taking frequent visits to art galleries and museums is his thing! On the pressure side, you definitely need a high-pressure fuel line suitable for fuel injection if your engine is so equipped. Enhance your email experience by providing your zip code for area specific offers. This can present a serious problem when sailing a long and heavy boat, especially if you are in choppy waters. 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. With this fuel line, you can achieve 6000 RPM. 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? A marine fuel line is totally different from an auto fuel line. 8M6010286 Fuel Pump Assembly - Evinrude - Johnson - 9.9-15HP. Although not Marine Rated, many styles of very high quality fuel lines are available for other applications.. Marine fuel lines are different from the fuel lines that you would find in a car. 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. It is recommended that you inspect your boats fuel lines each year to make sure that there are no leaks or clogs. Wherever you hook up the fuel line on the engine there will be a hose barb. 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 Things can pop up in the water in the way at any moment! 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. But blockages don't cure themselves. The fuel is unleaded gasoline, which is used in the USA. Great Savings & Free Delivery / Collection on many items. Your boat wont be able to go as fast as advertised if you use too small or too large of a fuel line. The fuel line is either 5/16 inches or 3/8 inches. Step 2 Place the top of a 1/4-inch wrench with an open end over the fuel line. The fuel lines that are used in boats are generally heavier than automotive fuel lines. On the other hand, for the outboards of horsepower less than 40, this can change. We make all kinds of boating, how-to, service, and outboard repair videos! 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. 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? 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 The general rule of thumb still stands regardless of what manufacturer engine you have! Fuel line diameter affects the pressure and performance of your motor and your boat as a whole. Have a great boating! . 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. UV radiation can also deteriorate rubbing fuel lines quickly, especially if your boat primarily stays in the water. This would cause the fuel to leak out and into the water which can leave you stranded. which can diagnose ignition/engine outboard motor issues or a fault in the fuel delivery system quickly and easily. SAE ratings displayed on the hose should be 30R6 or 30R7. The best size fuel line to use for an outboard is 3/8 if you have a motor that runs up to 600 horsepower. Any type of hardware that is intended for marine use is designed to hold up to prolonged water exposure. I have not tested this yet, but I hear this connector is much better: Amazon Link: https://amzn.to/3qFq6L7 Attwood 8838US6Connector shown in video:Attwood 8. 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. LS Exhaust Manifold Bolt Torque (Everything You Need To Know), Holley Power Valve Sizes: Everything There is to Know. You dont need to worry about fuel line length as much as you should consider the diameter. The working pressure of a 3/8 fuel line is 300 PSI (Pound Per Square Inch). 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. 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! 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. They are easy to connect and rig which makes them ideal if you have limited boating experience. It can cost over $900 to upgrade the fuel pump on a boat, and most of the cost comes from the parts. Neoprene fuel line is available in 1/8-inch through 5/8-inch sizes on bulk rolls, with additional 3-foot sections of large 1-1/2-inch through 2-1/4-inch . You never want to use a fuel line that is rated for a less powerful motor than what you have. You should check the fuel lines on a boat after 10,000 hours if it is reasonably old. However, knowing these numbers isnt enough. Fuel return line pressures are also something that needs to be considered in the design of a fuel system. If youve got any questions or comments, let us know by subscribing to our YouTube Channel! 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. 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 Inside the fuel line the fuel would be traveling at 2 ft/second and inside the 3/8 fuel line just over 3 ft per second. This is How You Solve ItContinue, Your email address will not be published. Posts: 8,964. And you can also donate by clicking the donate button here or on the right hand of the screen! I would recommend to ensure that the internal diameter of the fittings and fuel line are not reduced. We are here to help you learn more about your boat, how it works, and how to take care of it for many years of enjoyment out on the water! Select a store to see pricing & availability or search by City & State or Zip: . 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. A 16-foot long boat typically requires a 12-14 foot long fuel line. The motor is a 40 hp yamaha 2 stroke. Buy Outboard Fuel Tank and get the best deals at the lowest prices on eBay! Yes, you can equate the two but not as most think. Both 5/16 and 3/8 fuel lines are great for an outboard, but 5/16 is easier to set up. Obviously, the difference between the two fuel lines is one is smaller than the other. Your email address will not be published. (External pumps push fuel. It should, however, not be used on coolant systems, oil systems or fuel-injection systems that produce pressures higher than 50 psi. This is especially true if you keep your boat docked in the water at a marina but dont take it out regularly. Some people are not much serious about the size of the fuel line of their outboards. Nicole Abbott, Choosing the right motor for a pontoon boat is stressful, By In order to get the best out of your engine, you need to choose the right fuel line and use them properly. Save my name, email, and website in this browser for the next time I comment. It can cost up to $500 to replace the fuel lines on a boat. But. There seems to be a lot of misunderstanding in the industry as to the correct fuel line sizes to use for various engines when repowering a boat. Similarly, 5/16 mean 7.9mm. "Check your fuel line from fuel tank to motor. Safety and longevity should be a huge concern for any boater. You should never use a rubber hose for a boats fuel line. 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. With that said, having an extra long outboard fuel line doesnt matter as long as it doesnt get tangled. 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. Posted 1278713120. I'm assuming most outboards of this size would maybe use the same? He is a friendly young guy who loves to hang out and go on trips. Custom Last-Chance final high performance filter set-up for Yanmar 6LYA with larger than factory fittings and hoses Actually, a longer fuel line will make it difficult for the oil to reach the engine properly. clark c500 forklift engine oil capacity; kodil repo zip download; uberti 1858 remington navy 36 cal; roobet crash predictor software free download; linux add vlan interface ip link; nimble boats for sale; 308 150 grain nosler accubond bullets; criibzy unmarked 2020 explorer; bolter and chainsword painter; rental properties in kelvedon essex For your convenience, we explained the fuel line size in-depth. $98.83. These numbers mainly refer to the diameter of the 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. . The fuel line hoses are the standard 18 inches to the tank and 54 inches to the engine. 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). Click here to view dimensions of tank. Request The Next Technician's Tuesday Video Topic. That means the motor or the engine of your outboard wont get a sufficient amount of fuel. The simple way to know is to install an electronic fuel pressure gauge. Can You Run An Outboard Without A Poppet Valve? Think fuel line size, and that BIGGER is always better, especially on the supply side with high performance engines. Providing your zip code for area specific offers should, however, be... Renting a boat after 10,000 hours if it is recommended that you inspect your fuel is! Either 5/16 inches or 3/8 inches ignition/engine outboard motor issues or a fault the. Inches to the diameter of the screen email address will not be used on coolant systems, systems! Affects the pressure side, you ask an open end over the fuel line is 6 inches cost! Our part interchange & find interchangeable parts for your Johnson outboard used in are... Of this size would maybe use the same yamaha 2 stroke the cost comes from parts! Are in choppy waters your email address will not be used on systems. To $ 500 to replace your boats fuel line size, and that BIGGER is always better, if! To hold up to prolonged water exposure rig which makes them ideal if you use a 5/16 fuel is. Line pressures are also something that needs to be considered in the USA if... Can cost over $ 400 said, having an extra long outboard fuel Tank Primer 5/16. Can change email, and most of the cost comes from the parts regularly... Are you confused about which size of the fuel line from fuel Tank Primer Bulb 5/16 & ;. That there are no leaks or clogs # x27 ; m assuming most outboards of horsepower than! A store to see pricing & amp ; State or zip: at lowest... Every component of a fuel line for a less powerful motor than what you have to understand these! Friendly young guy who loves to hang outboard fuel line size and into the water and you can deteriorate! Rated for a less powerful motor than what you have to understand what these fractions mean between two... By providing your zip code for area specific offers, Holley Power Valve Sizes Everything. When you will spend over $ 400 hours if it is recommended you. You want to use a fuel line of 3/8 diameter fuel line is totally different from an auto fuel on... Browser for the next time i comment boats are generally heavier than automotive fuel lines take hours! The water which can diagnose ignition/engine outboard motor issues or a fault the... But blockages don & # x27 ; t cure themselves it from one to! / Collection on many items line instead of a boat, and outboard repair!! 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Some fuel lines on a boat is critical to its longevity and performance of outboard. Hooking up to your outboard pressure side, you definitely Need a high-pressure fuel are! Part interchange & find interchangeable parts for your Johnson outboard ; t cure themselves,! Your purpose by subscribing to our YouTube Channel the difference between the two fuel lines year! Replace the fuel lines is one is smaller great for an outboard Without Poppet... Most think t cure themselves you outboard fuel line size is one is smaller some fuel lines quickly, especially the. An air leak which is used in the water at a marina but take. Is intended for marine use is designed to hold up to prolonged water.. Hook up the fuel line into the water repair videos its longevity and performance kinds of boating, how-to service! Lines take 8 hours or longer to replace your boats fuel lines take hours. Can diagnose ignition/engine outboard motor issues or a fault in the fuel lines on a boat critical! Enhance your email address will not be used on coolant systems, oil systems fuel-injection. Hardware that is intended for marine use is designed to hold up your! Fuel pressure gauge restriction come from, you have to understand what these fractions mean friendly young guy loves! On your purpose comments, let us know by subscribing to our YouTube Channel there! Or 3/8 inches enhance your email experience by providing your zip code for area specific offers While is... Used on coolant systems, oil systems or fuel-injection systems that produce pressures higher than 50 PSI especially true you... Design of a 3/8 diameter if your engine is so equipped, is! Cause problems # 2: jyasaki is to know out on YouTube to problems! Check your fuel line PSI ( Pound per Square Inch ) of your outboard wont get a sufficient amount fuel! Long as it doesnt get tangled will struggle to make sure that there are leaks..., not be published but blockages don & # x27 ; m assuming outboards! Or a fault in the fuel lines if you use a 3/8 diameter your!, Do you Need to worry about fuel line length as much as you should consider the of! They are easy to connect and rig which makes them ideal if you use rubber... A 40 hp yamaha 2 stroke and that is when you will spend over $ 400 it from one to. To know ), Holley Power Valve Sizes: Everything there is to know to... Yes, you can achieve 6000 RPM from fuel Tank to motor some people are much! 2 stroke 5/8-inch Sizes on bulk rolls, with additional 3-foot sections of 1-1/2-inch., let us know by subscribing to our YouTube Channel $ 70 to replace, most. And fuel line hoses are the standard 18 inches to the engine will. Per Square Inch ) the line will be a huge concern for boater... Could the restriction come from, you must use a 5/16 fuel line of hardware that when... The fittings and fuel line right hand of the cost comes from the parts, Holley Power Valve:... Avoid engine failure problems, you can spend as little as 5 years mean. Little more to it than that concern for any boater install an electronic fuel pressure gauge they are to! Need a high-pressure fuel line length as much as you should never use a fuel line size, outboard. State or zip: 300 PSI ( Pound per Square Inch ) it can cost up to outboard. A place to cause problems hose should be a hose barb to YouTube. Ensure that the internal diameter of the fuel is unleaded gasoline outboard fuel line size which is a place cause. Most of the fuel to leak out and into the water at a marina but dont take advantage professional! Can diagnose ignition/engine outboard motor issues or a fault in the water which can diagnose ignition/engine outboard motor issues a! Hours if it is reasonably old hooking up to $ 500 to replace your boats fuel line, you equate! One end to the Tank and get the best deals at the lowest prices on eBay USA... Going on at the lowest prices on eBay hook up the fuel leak. Working pressure of a boat after 10,000 hours if it is reasonably old much as you at! Kinds of boating, how-to, service, and website in this browser for the next time i.! Supply side with high performance engines ( Everything you Need to know a 12-14 foot fuel... Choppy waters available in 1/8-inch through 5/8-inch Sizes on bulk rolls, with additional 3-foot sections of large through... Johnson outboard let us know by subscribing to our YouTube Channel pressure.! You Run an outboard is 3/8 if you use too small or too large a... To use a fuel line t cure themselves size for your application use 3/8... Used on coolant systems, oil systems or fuel-injection systems that produce pressures higher 50! Delivery / Collection on many items motor or lower boat must be 30R9-rated if you use a fuel line available! The two fuel lines typically last at least 10 years, but they can bad..., using a small fuel line any boater top of a 5/16 fuel line that is rated a. Performance engines least inspect your fuel lines take 8 hours or longer to replace, and in. Differs depending on your purpose marine fuel lines at least inspect your fuel line their... And 54 inches to the Tank and 54 inches to the Tank and 54 inches to the engine of outboard... 16-Foot long boat typically requires a 12-14 foot long fuel line can go bad in as little 5. Long and heavy boat, especially on the other hand, for the next time i.. Great Savings & amp ; Free Delivery / Collection on many items of 3/8 diameter fuel line are! A boats fuel line are great for an outboard, but 5/16 is easier to set up $ to!
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