Our Suzuki Outboard Fuel Lines & Fittings are at the lowest prices and same day shipping! The simple way to know is to install an electronic fuel pressure gage. 2.31 feet of water = 1 psi therefore 35/2.31 = 15 psi per 100 feet. The concern about the fuel hose and fittings being too small in diameter is for a restriction of fuel flow. Narrow By . High cylinder temperature leads to problems. $8.66 . Mfr: Sierra / Seastar Solutions. Shop with confidence - get free shipping to home or stores + price match guarantee! 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. Now we are going to calculate the pressure drop thru a 3/8” steel line for a typical vehicle at a flow of 83.3 gph or 1000 HP. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Which do you think flows more easily thru a pipe? However, given sufficient pumping power, a one (1) pound drop versus a tenth (1/10) pound drop is insignificant. 99 Shop with confidence - get free shipping to home or stores + price match guarantee! 89 Product Title Fuel Line Hose Outboard Primer Bulb fit Yamaha 6Y2-24306-56-00(Check for more model#) Average Rating: ( 1.0 ) out of 5 stars 3 ratings , based on 3 reviews Current Price $21.99 $ 21 . Gasoline has lower viscosity and much lower surface tension than water, which is why it flows more easily thru a pipe. They don't pull it very well.) Mercury - Mariner Outboard Fuel Line Assemblies and Parts. Given a big enough pump a 3/8” steel line could support 1000 HP. When using E85, alcohol, methanol, etc. The fuel line after the pump can be the next smaller size. Yes the pressure drop thru a ½” line is a nominal 5 feet versus 35 feet for the 3/8” id fuel line. At 500 HP the pressure drop is even less. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. 89 Fix of a Yamaha no start, hard start, caused by bad fuel connector and bad hose. Friction loss is the mechanical resistance exercised by the pipe wall on the liquid. Anyone done this? Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. Ingersoll-Rand publishes an engineers’ handbook called “Cameron Hydraulic Data”. Shop with confidence - get free shipping to home or stores + price match guarantee! 99 List List Price $27.90 $ 27 . I have read in some places that 90 degree elbows are a no-no in fuel lines. If we use alcohol we need about double the flow or with E85 we need to increase the flow numbers by around 30 % . Remember that maximum HP occurs at an A/F ratio of 13:1. 1000 divided by 12 = 83.3 Gallons Per Hour or 315 Liters Per Hour. That allows air into the sealed fuel system on the motor, can affect the life of the electric fuel pump, and makes the motor harder to start as the air has to be purged before it will run well. But before you do check out the following (and remember a dirty fuel filter is often the culprit of falling fuel pressures!). attwood 93806EUSD7 Johnson/Evinrude Fuel Line Kit, 6 Feet Long, 3/8-Inch Diameter, Includes Tank Fittings and Primer Bulb, One Size 5.0 out of 5 stars 10 5 In Stock - Ships Immediately. The fuel line from the gas tank is 5/16". Shop, read reviews, or ask questions about Fuel Lines at the official West Marine online store. The reason I am making all these conversions for you is because typical fuel pump measurements are made in volume versus mass although mass is more accurate. SouthMarine 6G1-24304-02 Fuel Line Connector Fittings for Yamaha Outboard Motor Fuel Tank Hose Pipe, 6mm Male,fmount on Engine 4.3 out of 5 stars 35 $12.89 $ 12 . What is the consensus here on that? Features rectangular locking post. SG becomes a factor if there is vertical lift of the liquid involved or very long pipe runs (which represent a large physical mass of liquid.) The fuel line, along with the other parts of a fuel system, are responsible for delivering the fuel from the fuel cell into the carburetor. For OMC Pressurized Systems. For this example I will use gasoline. VISCOSITY SG plays no role in friction loss. It is important to have the right size so the vehicle operates efficiently. The result could be that a smaller diameter hose and fittings in the fuel system ends up causing damage to the outboard engine from a flow restriction. The NAPA dealer I first went to did not have the AR line in stock. © Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000. 90 I got the line TO the fuel pump at Westlake marine and the line from the pump to the carburetor from a Carquest store. Don’t touch the water but let a very small drop of alcohol drip into the water. Sort & Filter . 2 product ratings - OUTBOARD Fuel Line Attwood OMC Johnson Evinrude Fuel Line 6' Assembly Kit BOAT $19.99 Trending at $27.50 Trending price is based on prices over last 90 days. I am doing this by placing an elbow coming out of the filter housing, then the cutoff valve, then barb fitting for outboard engine hose connection. If I use 20 feet of steel pipe then that is 1/5 of 15 or 3 psi using water (gasoline is less viscous and flows more freely). Order Marine - Fuel Lines for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Sierra 18-8051 Double Fuel Line Assembly for Johnson, Evinrude Sierra 18-8051 is a replacement fuel line assembly for use with OMC, Johnson, and Evinrude engines. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. Lets assume we have about 10 feet of 3/8” fuel line. Can I tolerate a 3 psig drop if I need the fuel delivered at 60 psig? Watch the water immediately spread out on the counter top. If a cylinder runs lean, the cylinder temperature will be higher. Outboard Fuel Lines & Fittings. I plan to put a 5/16 to 3/8 barb connector in the line for now. Sourced from http://www.blowerworks.biz/docs/fuel-delivery-basics/fuel-line-sizing/, -10an, -6an, -8an, an fittings, an line size, an to inch conversion, fuel line horsepower requirements, gas, horsepower fuel, how much fuel do i need, what size fuel line, http://www.blowerworks.biz/docs/fuel-delivery-basics/fuel-line-sizing/, SPEED World Challenge Touring Car Integra Type R, Customer Feature: Billy Wyatt’s Turbo D Series. Shop Mercury Outboard Fuel Lines & Fittings at Wholesale Marine. Most of you know that the pressure drop thru a straight pipe is less than an elbow or a 45 (same principle as your air ducting from your blower thru the piping and on into the engine). 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