The first cut end of hose that I looked at didn’t seem to have a problem: But the second one looked a little funny: It looked like the inside of the hose had melted and twisted. Great Article! Out of the sun. If you’re not getting fuel to the squeeze balls, I’d look at the pickup tube in the tank. Also, low engine use tends to dry out the Diaphrams. Many thanks, If I run the truck they flush away into the system and I see only an occasional fine bubble in the fuel flow at idle. In fuel-injected outboards, the excess gas that causes flooding might result from leaking injectors, failed engine temperature sensors or a failed electronic control module, the engine’s on-board computer that controls engine operation. But blockages don’t cure themselves. They had at least one recall of hoses due to delamination of the inner liner causing blockages. I had an ‘81 Eldorado diesel last year with the exact same symptoms and after changing the rotted out section of line it ran fine. preparing to cruise • overcoming problems. Have any bugs gotten into the vent to stop it up? In order to run properly, diesels need huge amounts of ambient The symptom is the same. [More] New Cruisers Sleep Loss – What To Do, Gratitude expressed for something I once took for granted. They ain’t “worth” carryin’ out of the store–much less the $50.00 they cost (and that’s for their “universal” hose which has no “ends” !”) Thermoid brand hose is American made, u.v. Started first after engine was run then tilted forward for towing. . It also kinked easier, which led to the engine dying at the most inopportune times, making a bad situation even worse. In talking with clerks at the local NAPA store, West Marine, other cruisers and outboard mechanics, it seems that we are not alone in our outboard fuel line problems. There are several reasons, but these are the biggest of them. On any line older than 5 years, the sun causes the bulb, rubber end connector inserts, and fuel line to age, shrink, harden and crack, leading to tiny air leaks that prevent the fuel pump from pulling gas into the motor, especially at idle. Marine fuel hose works on negative pressure (vacuum), where the fuel pump in the engine sucks the fuel into the hose from the tank. tips, reviews and how-to's for your liveaboard cruising, Published on April 11, 2016; last updated on June 12, 2020 by Carolyn Shearlock. Air won't be too much of a problem in the filter until it is drawn into the outgoing fuel line because the pump is after the filter. Use “303” (or Armor-All, Son-of-a-Gun or equivalent) on the primer bulb as well for a longer service life since it’s actually vinyl, p.v.c. . After that its fine. I would suggest placing the non-uv treated hose within one of those split wire looms that are flexible plastic and split lengthwise. The last chronic "air leak" I hunted down turned out not to be an air leak at all but loose fuel tank scale clogging the screened pickup pipe deep in the tank. If the vacuum that draws the air into the motor and then as the air goes through the carburetor the fuel gets added in the correct proportion and the motor runs nicely, when everything is working well. American Honda Motor Company is recalling several outboard motors for boats, saying fuel overflows from the vapor separator air vent tube.Honda issued the recall Thursday.They said a … For the record, this hose was made by Attwood and is not quite 18 months old. You can consult your automotive manual, or get the assistance of someone who is mechanically savvy if you are not. Outboard fuel problems. Air in the fuel system is another possible trouble that may prevent an engine from starting. After turning the engine off … It put me on the right track and I believe I’ve solved my problem. My [Yamaha F225 four-cycle outboard engine which has] 30-hours [of running time] started instantly after a Winter's layup. Required fields are marked *. So the outboard sees a lot more wear and tear and can wear out more quickly. Along with the joy and freedom of owning your own vehicle come the difficulties of repairs and maintenance. If the problem persists, a trip to your mechanic is in order. This is a 60 hp evinrude. Either the lift pump has failed, the boat is out of fuel or there is an air leak or blockage somewhere in the fuel lines running fuel from the tank to the engine. Xantia 1.9 TD 1995 92000m NB. I found that the fuel line was empty. All the more reason for a spare. Take my free mini-course: Filed Under: Boat Work Tagged With: Boat Maintenance, Boat Projects - Repairs & Upgrades, DIY Tips, Overcoming. And it can break free (delaminate) from the outer hose and twist itself up. Fuel pump inlet clogged at “in” and 50%+ inside pump. It’s fabric-reinforced and one-piece construction—no “liner” to collapse and stop fuel flow. This is a great blog. And it wasn’t cheap either. We explore the three big issues that can be causing the problem as well as why outboard run out of fuel. I run sea foam on a regular basis also. If attempts to turn down the idle speed adjusting screw have failed (old-make carburetor), it means the blend of air to fuel ratio has changed in favor of too much air passing into the intake manifold. Heat shrink tubing is a good look. engines (3/8″ to 1/2″) and don’t fit small outboard engine fittings. The stall will also occur after a very long idle. Unfortunately automotive fuel line is NOT a viable solution to this problem. Hoping that does the trick. I finally got it started and took off, got about 400yd away from the dock, stopped to get something in the boat and the motor died. You can keep it closed with either zip ties or electrical tape. Marine: Boating, Sailing, PWC, Nautical Navigational GPS - Outboard Gas Line Connection Leak - I have a 30 hp Johnson outboard. I think I will start my first thread. I didn’t know what it was at the time I thought it was some kind of gluey nasty buildup. RandomTroll December 7, 2017, 11 :44pm #23. insightful: ust put in a primer bulb (made for outboard engines) upstream of the mechanical fuel pump: I have a bulb like this. A leaky fuel line will produce either drips, or in more serious cases puddles of fuel underneath the vehicle. New hoses have an impermeable liner to keep ethanol from degrading the other hose material. My question is how to locate the venting method which is used on my boat and how to test it. I’d say you have an EXCELLENT blog! The OPTIMAX is the most MIS-DIAGNOSED Outboard Engine. Participant. It can also cause down-time and loss of productivity. After the fuel pump, the fuel is under pressure and will seep out any unsealed areas as a fuel leak. and learned a ton about what does and doesn't work! Had it happen to me. I forgot: Thermoid hose is (relatively) cheap @ $17.00 for 25 feet (with free shipping). Now it will drip when tilted forward without having been run. I filled it and it ran fine till I got to highway speed again. Air leak in fuel system [Diesel]. Save yourselves the headache. 1.Install a 10-micron fuel/water separating filter in the fuel line between your fuel tank and your outboard. just dont forget.as they will only last We’ve had problems with two hoses in the past three years. Thanks for the information. What do I do now? [More] Appreciating Family. 1. needle and seat are worn out 2. needle and seat are obstructed with foreign material 3. carb float becomes saturated with fuel or is cracked and fills up with fuel 4. Any suggestions. Sure as long as you’ve got that much room. A basic diesel engine needs only a constant supply of clean fuel, plus air to provide oxygen for combustion. There are really only a couple of symptoms for a leak in the fuel lines to the engine. Replaced with an overpriced Atwood “Kit” with no ends (how stupid is that) but problem solved, for now. Wally World Wood hoses are ok if you change then every year. Vacuum leaks occur between the cylinder head and carburetor slide/butterfly, where the low pressure will draw in air through the leak area. I don’t think I am capable of taking them apart so I’m hoping there is a way to dissolve that lining. Quick fix: put some grease on the end fittings at the tank and motor. ... you have blockage somewhere in the fuel line from the bulb to the fuiel ... July 17, 2006 at 11:47 am #460982. Install a vacuum gauge in the optional inlet port of the pump. Test leaking Fuel Injectors.. Fuel injector leak testing should be done under operating pressure. [More] Forced Flexibility, Are you a new cruiser having trouble sleeping? If vacuum reading continues to leak down, repair or replace fuel unit. Went to start the boat up today, it started really hard, and kept dying on me. ... test the line for leaks and be certain no restrictions exist. Then we can hook up to a portable tank and boat run fine at WOT. I own a 1995 seaswirl stripper i am not getting any fuel to both squeeze balls changed the anti syphon valve and changed out the water separator still no gas coming to the motors any suggestions also changed both fuel balls and lines at motor. Along the way, we sold pretty much everything we owned (twice! Do I need to wrap the threads on the tank fitting when replacing? This ratio means that there is too much air in your engine, and as a result, the engine will run poorly or not at all. Realizing I need a general plan to look forward to was a change for me. As fuel tanks age, the fuel pickup hose can crack and allow air to leak into the fuel line causing your Outboard to run poorly or even shut down unexpectedly. You have to go over the entire fuel system from tank pickup to injectors. REMINDER: If you are testing a two-pipe system, make sure you remove the return plug and reinstall the return line. Pool noodles deteriorate fast, shedding plastic to the sea. Or in more serious cases puddles of fuel for leaks and be certain no restrictions exist down-time! Are ok if you change then every year EXCELLENT blog automotive manual, or get the assistance of who! 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