Since it doesn’t have the UV protection, we may try to cover the exposed portions of the hose with tubular webbing or even just tubes made from old t-shirts to give it some UV protection. Our “solution” was to get automotive fuel hose. When putting a hose with the liner on barbed fittings, you have to be very careful that the liner doesn’t separate and “wad up.” It may still do that on its own, but you need to be careful not to add to the problem.Automotive fuel hose doesn’t seem to be having the delamination problem but doesn’t have the UV inhibitors and may crack from UV damage.OEM hoses seem to last longer before showing problems.They had at least one recall of hoses due to delamination of the inner liner causing blockages. Attwood brand hoses seem to have more problems than some others.The hoses with the grey outside coating (UV protection) seem to have more problems than others.That liner can delaminate from the outer hose and cause blockages.New hoses have an impermeable liner to keep ethanol from degrading the other hose material.Ethanol gas causes more fuel line problems but using ethanol-free gas is not a guarantee you won’t have problems.All fuel hoses have more problems than they used to.What I’ve learned (and this is all word-of-mouth and anecdotal): I don’t remember the exact designation of the hose, but I remember when buying it that it was supposed to be okay for use with ethanol gas. We’ve used non-ethanol gas more often than not when we’ve used gas with ethanol, we used a gas additive as well. 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.įor the record, this hose was made by Attwood and is not quite 18 months old. The first cut end of hose that I looked at didn’t seem to have a problem: He couldn’t in two out of the three sections. I was curious about what had happened – both basic curiosity and wanting not to have continued problems.ĭave, my husband, began by trying to blow through the old hose. When this happened to us recently, the solution was pretty simple: a new hose. In a few days, squeezing the primer bulb does less and less, possibly getting to the point where there is no resistance in the bulb and it does not expand when released. 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. RECOGNIZING THE PROBLEMĪ blocked outboard fuel line prevents fuel from getting to the motor. What is causing the rise in outboard fuel line problems? We’ve had problems with two hoses in the past three years.
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