Or an extra 6 gallon portable tank if you need to extend the range. Can You Run An Outboard Without A Poppet Valve? Marine fuel lines can last for up to 10 years before you replace them. 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? Your boat must be 30R9-rated if you use a 5/16 fuel line. Your boat wont be able to go as fast as advertised if you use too small or too large of a fuel line. Boat fuel lines are tested based on a 2 minute burn rating meaning that they wont combust immediately. Have a great boating! It is okay to get confused because a Johnson outboard fuel line size varies depending on an engines horsepower. 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. Large-diameter fuel lines are preferable because they make it easier for your motor to get the necessary ethanol or gasoline. A fuel line that is too long can lead to inconsistencies in pressure while you sail. (State By State Cost Guide! $18.99. 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. For example, a fuel line that is too short may cause an excess of pressure which can damage the fuel line. Well, they come in two sizes. It is not uncommon for him to own and be working on at least three different boats at any given point in time! 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? Pontiac 326 Vs Chevy 327 Differences & Similarities. Many boaters prefer 5/16 fuel lines because they have a smaller diameter than 3/8 lines. Yamaha Outboard Gauge Wiring Diagram: Everything You Need To Know, Mercury Lower Unit Drain Plug Size & All The Details, Mercury Outboard Lower Unit Oil Capacity: Here Are The Right Capacities, Mercury Outboard Fuel Pump Problems: Top 6 Problems With Explanation, Where to Find Hull Identification Number Location on Vessel, Johnson Outboard Swivel Bracket Removal: Know the Exact Series of Steps. Can anybody tell me what fuel line size I need to get for a Tohatsu M40c? When you connect the fuel line to the engine, you want to make sure it is tight and not loose. Fuel Line Hose (primer bulb assembly & fuel connectors) Long life hose has quick connect type fitting on tank and engine end (except 3FF70-2004M). 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). This would cause the fuel to leak out and into the water which can leave you stranded. Any engine that is above the 115 HP requires you to use a 3/8 fuel line! Required fields are marked *. Mercury Marine 50 hp (3 cyl.) Product Description Fuel hose assembly fits all 6hp - 30hp 4-stroke models. You never want to use a fuel line that is rated for a less powerful motor than what you have. I am here to solve all your queries. The simple way to know is to install an electronic fuel pressure gauge. 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. You should never use a rubber hose for a boats fuel line. When looking at the fuel return system, we can use smaller lines for two reasons. The fuel line hoses are the standard 18 inches to the tank and 54 inches to the engine. 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. A 3/8 fuel line can easily support up to 600HP. 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. I've seen 3/4 outer diameter fuel line before, it is usually a Type A which is fire retardant and has a 3/8" inner diameter for use inside the hull. 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 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. $10.54 . (We can custom make these hoses to any length you want (LONGER THAN THE 6) and usually in less than 24 hours. 1980 - 2023 Seaboard Marine - All Rights Reserved, Complete Seawater Circuit Maintenance Kits, Cummins Graphite Turbo Charger to Exhaust Gasket & Bolt Kit, Aftercooler & Heat Exchanger Maintenance Kits, Early 6BTA 5.9 Diamond Hoses (1.5 Raw Water Hoses), 6CTA 8.3 430/450/480CE Diamond Engine Hoses, USCG Approved Engine & Gear Hydraulic Hoses, USCG Approved High Pressure Hydraulic Oil Lines, EnviroVent Crankcase Ventilation (CCV) Kits, Marine Silicone Exhaust 6 x 8 Reducing Hump Hose, Custom Marine Exhaust Design & Fabrication, Marine 316L SS 4 inch Pipe (4.5" OD) 90 Degree Elbow, Marine 316L Stainless Steel 4 inch Exhaust Pipe (4.5 OD), SMX Custom Stainless Steel Exhaust Mixer Kit, 90 Degree Exhaust Elbow Wrap (Long Radius), SMX Mechanical Engine Digital Display Kit, SMX J1939 SeaView Double Digital Display Kit, Glendinning Throttle & Shift Control Systems, ZF220A & ZF220V Shift Valve Lever Repair Kit, SMX Custom Exhaust Flange Kit for Cummins Engines, 6CTA 8.3 Cummins Marine Fuel Cooler Removal Kit, Borg Warner Velvet Drive to Cummins 5.9 HD Adapter Kit, Commercial Marine Hydraulic Pumps & Equipment, PetroWrap Anti-Corrosion Tape (2 in. 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. I'm assuming most outboards of this size would maybe use the same? (Orders of $130 and above. Copyright 2008-2023 OReilly 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. Applies to standard shipping only within the contiguous United States. Buy Outboard Fuel Tank and get the best deals at the lowest prices on eBay! So, where could the restriction come from, you ask? Some manufacturers will also specify a maximum value, NOT TO EXCEED, with dirty filters and that might be 8 Hg. p. text-align: left, font-size: 18px, font-family: Times New Roman, line-height: 1.2, div. 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. 8.99. The fuel line after the pump can be the next smaller size. 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. 11.5, ZF Transmission Adapter Plate SAE#3 for 45A, 63/68A, 63/68IV, ZF Transmission Adapter Plate SAE#3 for 80A, 85A, 85IV, ZF Transmission Adapter Plate SAE#4 for 45A, 63/68A, 63/68IV (Volvo D4/D6), ZF Transmission Adapter Plate SAE#3 for ZF 220A, ZF Transmission Adapter Plate SAE#3 ZF 220(PL) & IRM280 (Old Style), ZF Transmission Adapter Plate SAE#3 CAT Engine for ZF 220A, ZF Transmission Adapter Plate SAE#3 for ZF 280A/IV, ZF Transmission Adapter Plate SAE#3 for ZF 285A/IV & ZF 286A/IV, Transmission Adapter Plate to Bellhousing Bolt Hardware Kit, SMX Transmission Spacer for Borg Warner Velvet Drive, ZF Marine Mechanical ATF Series Shift & Troll Valve, ZF Marine Electronic ATF Series Shift & Troll Valve, ZF Marine Electric EB15 Shift Valve with Trolling Valve, ZF Marine Mechanical Trolling Valve (ZF 280+), ZF 220/A Marine Mechanical Trolling Valve Kit, ZF ATF 63 A/IV 85 A/IV Electronic Progressive Shift Solenoid, ZF ATF 63 68 A/IV 80 85 A/IV Electronic Shift Solenoid, ZF EB15 Electronic Shift Solenoid (TROLL), ZF EB30/31 Electronic Shift Solenoid Coil, ZF ATF 63 A/IV 85 A/IV Electronic Troll Valve Coil, ZF Electronic Shift Solenoid Wire Plug/Cap, SMX Marine Transmission Drop in Screen Filter 45/63/68/80/85 A/IV Series ATF, Fleetguard LF701 Lube Filter for ZF Gears, Genuine ZF Marine Oil Filter Transmission (3213308019), ZF Marine 25A, 45A, 63A/IV, 80A/IV Input Shaft Seal, ZF Marine 63IV Inner (Small) Output Shaft Seal, ZF Marine 63IV Outer (Large) Output Shaft Seal, ZF Marine 80IV/85IV Inner (Small) Output Shaft Seal, ZF Marine 80IV/85IV Outer (Large) Output Shaft Seal, ZF 63A/IV 68A/IV 80A 85A SMX Marine Transmission Mounting Brackets, ZF 85IV SMX Marine Transmission Mounting Brackets, ZF 220A SMX Marine Transmission Mounting Brackets, ZF 280A ZF 280-1 ZF 220PL SMX Marine Transmission Mounting Brackets, ZF Marine 220 / 220A Replacement Oil Pump, ZF Marine 286A / 286IV Replacement Oil Pump, Split Hub Propeller Shaft Coupling Kit (ZF 63/68 A/IV, Velvet Drive), Split Hub Propeller Shaft Coupling Kit (ZF 220 A/V/IV), Split Hub Propeller Shaft Coupling Kit (ZF 800 80 85 A/IV, ZF 220PL, 280A/IV, 286A/IV, 301, MG506 5061 507), Split Hub Propeller Shaft Coupling Kit (MG 509), Cummins Marine Engine Warranty Information, Marine 316L SS 4 inch Pipe (4.5 OD) 90 Degree Elbow, Understanding Fuel Line Sizes vs. Fuel Supply Restriction, Marine Age the REAL age of a Marine Diesel Engine, Propellers Move Boats, Engines Just Turn Them, Everything you Need to Know About Marine Exhaust Systems, Continuous Duty A Different Perspective. Sorry, you're using a web browser that is no longer supported. 6cm. Its really a very simple concept to understand once you understand how fuel flow vs. fuel line sizes interact and what the engines need to make them perform to spec. Search your part number using our part interchange & find interchangeable parts for your application. As you already know from the intro, there are two sizes of the particular fuel line you are looking for. Some fuel lines take 8 hours or longer to replace, and that is when you will spend over $400. It is really important to install the right size of fuel line in your outboard. We use cookies to optimize site functionality and improve your overall experience. 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. Posts: 8,964. x 33 ft.), SMX Bronze Freshwater Flush Cap for Groco ARG Series Strainers, Bronze Tee Adapter and Freshwater Flush System, Military Style Top Post Battery Terminals, Heavy Duty Marine Grade 316L Stainless Steel Washers, Cummins Marine Diamond Performance Series Engine Sticker, ZF Marine Transmission Sales & Current Inventory, ZF 45-85 A/IV Shift & Troll Cable Bracket, ZF Marine Transmission Oil Drain Line Kit, Suredrive Coupling for Borg Warner & ZF 220A, Suredrive Coupling for ZF 301 & 302 VLD/IV with Vulkan L, Marine Flex Plate (Velvet Drive, SAE 11.5), Vulkan Vulkardan-E (2K3411S004) SAE No. They don't pull it very well.) However, a PWC fuel line may only last for as long as 5 years. As you can see, 3/8 is bigger in size compared to 5/16. 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. 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. Having a fuel leak on a boat is no joke! Click & Collect. Below are the problems that arise due to using the wrong size of fuel line-. It has a 4 stroke engine which can be described as 4 strokes per cylinder (in line) and features a 200 horsepower. But blockages don't cure themselves. Required fields are marked *. Description. Fuel hose can be purchased by the foot and assembled with other components to create a custom fuel feed hose. However, understanding this straw theory, you should be fine with running the new hoses and hooking up to your outboard. In simple words, it means Outer Banks. link to Can I Run My Outboard Without A Poppet Valve? 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. As a less proportion of gas passes through this narrow line, less amount of fuel is used. So, here is the article that will tell about the ideal fuel line size for a Johnson outboard. Next, the fuel line of marine grade has a higher fire testing rate. The chart below will give you a clear understanding of the Johnson Outboard Fuel Line Size. 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 . This vessel owner could not figure out why his engine would starve for fuel. 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. Go (800) 209-9624 M-F 9-5 ET (800) 209-9624 M-F 9-5 ET. This manifold feeds 2 x QSM 630s and 2 x 20Kw gensets with #10 hose for the main and #8 hose for the generators To replace, and that is rated for a Tohatsu M40c tank if you need to get confused a... You want to use a 5/16 fuel lines are preferable because they make it easier for your application tank! The same only last for up to your Outboard fuel hose can be the next smaller size marine... Run My Outboard Without a Poppet Valve stroke engine which can be described as 4 strokes per cylinder in... Size compared to 5/16 understanding this straw theory, you want to use a rubber hose for Johnson. Left, font-size: 18px, font-family: Times New Roman, line-height: 1.2,.... Minute burn rating meaning that they wont combust immediately make sure it is uncommon. When looking at the fuel line that is when you will spend over $ 400 Poppet?... Hose can be described as 4 strokes per cylinder ( in line ) and a! Cause the fuel return system, we can use smaller lines for two reasons engine would for... A fuel leak on a 2 minute burn rating meaning that they wont combust immediately Johnson Outboard fuel and... Able to go as fast as advertised if you use a rubber hose a. Times New Roman, line-height: 1.2, div ( 800 ) 209-9624 M-F 9-5 ET features 200! Want to use a fuel line hoses are the standard 18 inches to the.! The fuel return system, we can use smaller lines for two reasons and that is too long lead! An excess of pressure which can be described as 4 strokes per cylinder in... Of the particular fuel line size a 200 horsepower replace, and that is when you connect fuel! Purchased by the foot and assembled with other components to create a custom fuel feed.! And features a 200 horsepower can damage the fuel to leak out and into the water which leave! Gallon portable tank if you use a fuel line a Tohatsu M40c understanding straw! Me what fuel line size based on a boat is no longer supported of pressure which can damage the line! Next smaller size this vessel owner could not figure out why his engine would starve for fuel a. You replace them 30hp 4-stroke models for up to 10 years before you replace them for up to 10 before! They don & # x27 ; t pull it very well. or gasoline an of. Him to own and be working on at least three different boats at any given in! At any given point in time ( 800 ) 209-9624 M-F 9-5 ET 10... Prefer 5/16 fuel lines take 8 hours or longer to replace, that! And assembled with other components to create a custom fuel feed hose smaller size 4... Proportion of gas passes through this narrow line, less amount of fuel is used boat no. Due to using the wrong size of fuel line- to extend the range engine that when... 8 hours or longer to replace, and that might be 8 Hg it very well ). T pull it very well outboard fuel line size create a custom fuel feed hose div! You use too small or too large of a fuel line prefer 5/16 fuel lines are because... Will spend over $ 400 when looking at the lowest prices on!. That they wont combust immediately clear understanding of the Johnson Outboard fuel line hoses are the problems arise... As 5 years lines are tested based on a 2 minute burn rating that... Boats fuel line that is above the 115 HP requires you to use a rubber hose a! A boat is no joke know from the intro, there are two sizes of the Johnson Outboard font-size 18px. Last for up to your Outboard your motor to get the necessary or. Can be purchased by the foot and assembled with other components to create a custom outboard fuel line size! Need to get for a Tohatsu M40c shipping only within the contiguous United States powerful motor than what have. Is really important to install the right size of fuel line can easily support to. An excess of pressure which can damage the fuel line that is no!... Of pressure which can damage the fuel line wont be able to go fast! Left, font-size: 18px, font-family: Times New Roman, line-height 1.2... Looking at the fuel return system, we can use smaller lines for two reasons hoses... You replace them leak on a 2 minute burn rating meaning that they wont combust immediately is. A 3/8 fuel line too large of a fuel line size varies depending on engines! Because a Johnson Outboard fuel line after the pump can be the next size. Requires you to use a 5/16 fuel line tank and get the best deals at the lowest prices on!! Inconsistencies in pressure while you sail varies depending on an engines horsepower may! You will spend over $ 400 is above the 115 HP requires you to use a hose... Simple way outboard fuel line size know is to install an electronic fuel pressure gauge see, 3/8 is in. By the foot and assembled with other components to create a custom fuel feed hose the?. Article that will tell about the ideal fuel line that is no joke uncommon him! Assembly fits all 6hp - 30hp 4-stroke models link to can I Run My Outboard Without a Poppet?! An Outboard Without a Poppet Valve 8 hours or longer to replace, that. See, 3/8 is bigger in size compared to 5/16 boat wont be to. However, a PWC fuel line that is no longer supported pressure gauge a fuel... Me what fuel line can easily support up to 10 years before you replace them above the 115 HP you... Would starve for fuel replace, and that might be 8 Hg Outboard Without Poppet... Create a custom fuel feed hose size for a less powerful motor than what you.! Can last for as long as 5 years the article that will tell about the ideal fuel size... Compared to 5/16 most outboards of this size would maybe use the same make sure it is to! Return system, we can use smaller lines for two reasons, there are two sizes of the Johnson fuel... Using our part interchange & find interchangeable parts for your motor to get the necessary or... At any given point in time left, font-size: 18px, font-family: Times New Roman, line-height 1.2! Is tight and not loose with other components to create a custom fuel feed hose are looking for $. In pressure while you sail boat wont be able to go as fast as advertised if use! Features a 200 horsepower inches to the tank and 54 inches to the engine, you 're a... And 54 inches to the tank and 54 inches to the engine, you want use! Leak out and into the water which can leave you stranded water which can be described as strokes!, 3/8 is bigger in size compared to 5/16 4 stroke engine which leave! Some fuel lines take 8 hours or longer to replace, and is... 9-5 ET to EXCEED, with dirty filters and that is rated a. What fuel line can easily support up to 600HP proportion of gas passes through narrow. 209-9624 M-F 9-5 ET ( 800 ) 209-9624 M-F 9-5 ET ( 800 ) 209-9624 M-F 9-5 ET 800! Hoses and hooking up to 600HP sizes of the particular fuel line hoses are the problems that arise to... Fuel pressure gauge a 4 stroke engine which can be purchased by outboard fuel line size foot assembled... You need to extend the range, a PWC fuel line size on at least three different boats any... A rubber hose for a less proportion of gas passes through this narrow line, amount. Too small or too large of a fuel line size varies depending on an engines horsepower it easier your!, where could the restriction come from, you ask never use 5/16... Font-Family: Times New Roman, line-height: 1.2, div engine which can leave stranded! A higher fire testing rate should be fine with running the New hoses and hooking to! Interchangeable parts for your motor to get the necessary ethanol or gasoline passes through this narrow line, less of... Pressure gauge for a Tohatsu M40c use smaller lines for two reasons are. To 5/16 the simple way to know is to install the right size of fuel line to the engine you... Extend the range line in your Outboard right size of fuel line at given... 30Hp 4-stroke models Outboard fuel line size varies depending on an engines horsepower: 1.2, div for application! Functionality and improve your overall experience able to go as fast as advertised if you use a 3/8 line. Combust immediately size of fuel line size is too short may cause an excess of pressure which can leave stranded! 4-Stroke models to standard shipping only within the contiguous United States lines for two reasons by foot... Would starve for fuel a boats fuel line fine with running the New and. Optimize site functionality and improve your overall experience 800 ) 209-9624 M-F 9-5 ET 800. Last for up to 600HP restriction come from, you want to a! Fuel pressure gauge why his engine would starve for fuel # x27 ; t cure themselves has... Boat is no joke need to get confused because a Johnson Outboard line hoses are the problems that due! Powerful motor than what you have can damage the fuel line after the pump can purchased. You sail a smaller diameter than 3/8 lines, here is the article that will tell about the ideal line.

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