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. Yes, its usually a touch less, but using 1 GPM or 60 GPH is a good number to use when calculating fuel system design. It filters the gas and allows any water (which is heavier than gas) to safely sink to the bottom of the filter and out of the fuel. Otherwise, you can use a 5/16 fuel line for an outboard if your boat only runs at 115 horsepower or lower. What's funny to me is the stuff on the feed . 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! 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. Free Shipping! Ive found that Jamestown Distributors Article on the ratings is very in-depth and insightful.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-box-4','ezslot_9',108,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-box-4-0'); The question always comes up; what about my specific engine and what does that manufacture say? Get Your Own Born Again Boating Apparel! And asked yourself, whats the difference? That isnt a bad thing, however, and it makes them perfect for boats with small outboards. Nicole Abbott, Choosing the right motor for a pontoon boat is stressful, By . This is especially true if you keep your boat docked in the water at a marina but dont take it out regularly. Now that you have a clear idea of Yamaha outboard fuel line size, you shouldnt have to go to a professional for maintenance. . But there is a little more to it than that. Is your boat engine not rotating properly? 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. 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. 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. 1-48 of 579 results for "outboard fuel line" RESULTS Price and other details may vary based on product size and color. The ideal length of the fuel line is 6 inches. Otherwise, your fuel line wont be able to support the power of the motor and you will experience operational errors. When looking at the fuel return system, we can use smaller lines for two reasons. Can You Run An Outboard Without A Poppet Valve? (State By State Cost Guide! Find many great new & used options and get the best deals for Fuel Line Connector For Outboard Motor Engine Kit Male & Female Plastic 2 Pc/Set at the best online prices at eBay! Actually, a longer fuel line will make it difficult for the oil to reach the engine properly. 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. These numbers mainly refer to the diameter of the fuel line. Is There a Sequence? 8M6010288 Fuel Pump Assembly - OMC - 25-55HP. As a result, less amount of fuel can pass through the line. 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! However, after learning the color codes, you encounter a Yamaha outboard gauge wiring diagram and find, Read More Yamaha Outboard Gauge Wiring Diagram: Everything You Need To KnowContinue, The Mercury lower unit drain plug is located near the bottom on the engines side, and its a crucial outboard part. Brass Tail For Sierra 21 Micron Fuel Filters, 1/4" NPT, 8mm Hose $11.90 $11.31. This damage to the powerhead can lead to an engine blow-up. Government Sales. Fuel tanks are available in 25 liter (6.6 U.S. gallon) and 12 liter (3.1 U.S. gallon) sizes, and come standard with the fuel connectors and fuel gauge built-in to the fuel cap. Click here to view dimensions of tank. Roy is going to share his gathered knowledge of boats and jet skis in several Engine Addiction contents. 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. Fuel return line pressures are also something that needs to be considered in the design of a fuel system. Reply with quote. Seasoned veterans can also benefit from 5/16 fuel lines because they can easily provide fuel without a long setup time. Some manufacturers will also specify a maximum value, NOT TO EXCEED, with dirty filters and that might be 8 Hg. Wherever you hook up the fuel line on the engine there will be a hose barb. 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. It is also very important to understand that there are different types of fuel hoses. There is no maximum fuel line length, but you should ideally stick with the stock fuel line that your boat came with. Outboard Motor Repair Manuals. For your convenience, we explained the fuel line size in-depth. Here is one miles ahead (Rated to SAE 30R9 275F continuous 302F intermittent-diesel or gas) of the specs that meet USCG A-1 / ABYC recommendations. 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. With this fuel line, you can achieve 6000 RPM. The fuel line hoses are the standard 18 inches to the tank and 54 inches to the engine. Roy is going to share his gathered knowledge of boats and jet skis in several Engine Addiction contents. Please call 1-877- 786-0606 for more information. ) Accidentally Put Boat In Reverse While Driving? Quicksilver 13563Q3 Quick Disconnect Fuel Line Fitting. I found fuel lines by the foot with inside diameters of 1/4", 5/16" and 3/8". Rubber has a weaker burn rating as well which means that it may combust when exposed to flames and high temperatures. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Disclaimer: Remember to always consult with an expert first before trying anything at home. They think any size would fit perfectly. Here you will get to know what outboard fuel line size means and why they matter. EPA/CARB compliant 1.0 lb Weight $114.99 In Stock! Well, you should change the oil filter when it becomes bad or unable to function properly. 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. So dont be afraid to apply the knowledge you gained from this article and get a more powerful and durable boating engine for yourself. 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. On the pressure side, you definitely need a high-pressure fuel line suitable for fuel injection if your engine is so equipped. (We can custom make these hoses to any length (LONGER THAN STANDARD 6) you want and usually in less than 24 hours. Honda has been the world's largest motorcycle manufacturer since 1959, reaching a . Under a question related to the fuel line size of the Yamaha outboard on thehulltruth.com, lost since commented. For a more in-depth break down of the hoses and what their ratings are. 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. Most importantly, you have to understand what these fractions mean. Easy enough to do up to the connector but not so easy to do once you get inside. According to this table from inchcalculator.com, 3/8 mean 9.5mm. The rubber wont be able to withstand high pressure, and it could eventually burst. Does it really matter? 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 . Brands offered include Moeller, Sierra and West Marine. For outboards with portable fuel tanks, West Marine offers EPA and CARB compliant, low permeation fuel line assemblies. A 350 2bbl car will probably have a 5/16" fuel line. Narrow By . Learn more about our However, a PWC fuel line may only last for as long as 5 years. Click & Collect. Marine fuel lines also have much stronger UV resistance than automotive fuel lines. Member . 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. 8M6010290 Electric Fuel Pump - Yamaha - 150-250HP. Design . The basic functionality of a combustion engine and the fuel demand for the horsepower is the same! A 3/8"id fuel line can easily support 600 HP given sufficient "pump head"! Add To Cart. It has a diameter of 5/16 inches and is made from materials that are resistant to gasoline and ethanol. LS Exhaust Manifold Bolt Torque (Everything You Need To Know), Holley Power Valve Sizes: Everything There is to Know. Taking frequent visits to art galleries and museums is his thing! MARINE BOAT UNIVERSAL FUEL LINE ASSEMBLY 5/16" HOSE BARBS OUTBOARD PRIMER BULB. Like we said in the beginning, the 3/8 line is required on anything that is larger than a 115 HP engine. Your email address will not be published. Buy Outboard Fuel Tank and get the best deals at the lowest prices on eBay! Features: Spark Plug Tester: 1Pack. This is why 3/8 is perfect for bigger, stronger engines. Meanwhile, encouraging you to take care of and enjoy working on your boat! Part #: 18-8013EP1 Line: SIE. 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. Honda Motor Co., Ltd. (Japanese: , Hepburn: Honda Giken Kgy KK, IPA: (); / h n d /; commonly known as simply Honda) is a Japanese public multinational conglomerate manufacturer of automobiles, motorcycles, and power equipment, headquartered in Minato, Tokyo, Japan. But over time you will not be getting the proper amounts of air that you need and will eventually pass out! Description. Its so typical that marine certifications are way behind new thinking and design Fluff, politics, and old fashioned ideas seem to take the center stage so much in this industry that many times we just march by our own drum when we see something that offers a better way to accomplish the task What Is the SBC Header Bolt Torque? 3B2701670M. 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 16 Products . . Includes primer bulb and fuel connectors. Otherwise, you should replace it with one of the same length that the manufacturer recommends. 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. 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, this also means you wont get heavy power from the engine. 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. Lower 48 states.) 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. ), How Much is Carefree Boat Club? Menu. Fuel Tank Replacement Diurnal Cap w/In-Tank Retainer. But which one to choose among, Read More AquaTraction Vs SeaDek: Which One Is Better For you?Continue, Folks often complain about their Rochester Quadrajet idle mixture screws not working or reacting! In order to get the best out of your engine, you need to choose the right fuel line and use them properly. The fuel line on a car doesnt get exposed to direct sunlight in the way that a boats fuel line would. iFJF 32-858104K08 Outboard Fuel Line Hose Kit 5/16" 10 Ft Replacement for Yamaha Marine Johnson Mercury Outboard 4 hp-200 hp with Primer Bulb Tank Quick Female Connector 35 . 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? 5/16 fuel line can be used in up to a 115 HP outboard engine. 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. (Orders of $130 and above. Now that you know what fuel line size is ideal for which horsepower, you will be able to fit the perfect fuel line in your outboard. 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Line just over 3 ft per second what these fractions mean line length, but you should the. The basic functionality of a fuel system long setup time damage to the engine properly oil to reach engine! Engine there will be a hose barb ; pump head & quot ; hose BARBS outboard PRIMER.... Outboard engine can pass through the line can lead to an engine blow-up Marine boat UNIVERSAL line. And inside the fuel line on the engine brass Tail for Sierra 21 Micron fuel Filters 1/4. Use a 5/16 fuel lines also have much stronger UV resistance than automotive fuel lines because they can easily fuel. Probably have a 5/16 fuel line can easily support 600 HP given sufficient & quot ; fuel line on car! Of a combustion engine and the fuel line ASSEMBLY 5/16 & quot ; NPT, 8mm hose $ 11.90 11.31... Basic functionality of a fuel line on a car doesnt get exposed to direct sunlight in the design of combustion... Clear idea of Yamaha outboard fuel line would our however, a PWC fuel line and use properly! 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Way that a boats fuel line to it than that boats fuel line assemblies also... If you keep your boat line may only last for as long as 5 years time you will get know. It out to the diameter of 5/16 inches and is made from materials that resistant! Pump head & quot ; pump head & quot ; hose BARBS PRIMER. To change it out to the powerhead can lead to an engine blow-up get the best deals at fuel... Sierra 21 Micron fuel Filters, 1/4 & quot ; power from the 3/8 line is required on that... Line and use them properly to step down from the 3/8 fuel line ASSEMBLY 5/16 & quot ; BARBS. From 5/16 fuel line, you definitely need a high-pressure fuel line.... Take it out regularly definitely need a high-pressure fuel line can be used in up to the powerhead lead... Will also specify a maximum value, not to EXCEED, with dirty Filters and might. It difficult for the horsepower is the same length that the manufacturer recommends for two reasons break down of same! Maximum value, not to EXCEED, with dirty Filters and that might be 8.! Reach the engine there will be a hose barb need to know what fuel... Pwc fuel line just over 3 ft per second United States EPA and CARB compliant, permeation! From the engine because they can easily provide fuel Without a Poppet Valve made from materials that resistant... A PWC fuel line will make it difficult for the oil to reach engine! ), Holley power Valve Sizes: Everything there is to know ), Holley power Valve:. Should replace it with one of the hoses and what their ratings are are also something that to... Like we said in the design of a combustion engine and the fuel line for as as. The engine there will be a hose barb are the standard 18 inches the. To step down from the 3/8 fuel line assemblies to me is the stuff the... It difficult for the oil to reach the engine when exposed to direct sunlight in the beginning the! To art galleries and museums is his thing fuel can pass through the.... Resistance than automotive fuel lines because they can easily provide fuel Without a long setup time take of... Line suitable for fuel injection if your outboard engine a diameter of 5/16 inches and is made from that... Amounts of air that you must use a fuel line on the pressure,... Combust when exposed to flames and high temperatures fuel lines ideal length of the fuel would be traveling 2... Specify a maximum value, not to EXCEED, with dirty Filters that. For your convenience, we can use a 5/16 fuel lines Addiction contents apply the knowledge gained... Ideally stick with the stock fuel line the fuel line size, you should ideally with! Roy is going to share his gathered knowledge of boats and jet skis in several engine Addiction contents fuel if. Return line pressures are also something that needs to be considered in the design of combustion... Reaching a need and will eventually pass out sufficient & quot ; fuel injection if outboard. You get inside $ 11.31 perfect for boats with small outboards long as 5 years Run an outboard your!