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Water separator?
I have ordered a 2020 Lund 1875 Impact Sport w/ a 150 merc 4 stroke. I was not offered any option for adding a water separator by Lund or the dealer. Is it not common to put a water separator on the newer 4 stroke mercs? Does the motor have one built in?
Thanks! |
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#2
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2015 Polar Kraft Frontier 179WT 2015 E-TEC 90 HO 2015 Trailmaster trailer Lowrance HDS7 Gen 2 Touch unit networked to a LMS 520c Lowrance Engine Interface cable Minn Kota Power Drive V2 US2 now with i-Pilot Custom designed and built rod holders Custom designed and built down rigger platforms All towed with my Trusty G2 '07 Toyota Tundra |
#3
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Water separator
My yammi 115 has a built in water separator in the fuel line system. System failed when used with
regular 10% gas. I started paying more for the non-ethonol and problem solved. Bottom line I never use regular gas on any non car engines and problems have gone away. Lawn mowers (3), weed wacker, sleds etc all had fuel lines get clogged up. |
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#4
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#5
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The Merc Optimax engines have separators built right in, so the 4-strokes most likely do also. If not, easy to add and a good idea anyways.
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I have a Racor on my Lund powered by a Honda. I always use regular pump gas with ethanol, and never have problems. My Racor has a clear bowl on the bottom and I have never noticed any sign of water. I always buy gas at high volume stations though. Not sure why a boat dealer couldn't install a filter water separator.
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2017 Lund Alaskan 1800 2022 Mercury 60HP tiller |
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#8
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I appreciate your experience that you have had with the use of ethanol fuel in your engine.
But, for the last 20-30 years, motors have been built with ethanol resistant materials and normally will never have issues with ethanol in their fuels up to 10-15% - depending on the engine. But, if you want to run non ethanol fuel in your engine, by all means do so. There is no question that non ethanol based fuel does seem to age better without the use of any fuel additives. With respect to your engine, do what works best for you. ------------- With respect to the original question, the use of a small micron water fuel separator is a good idea for any marine engine. Any engine can have a water fuel separator added in between the fuel tank and the engine if you wish. On a new rig, read the owners manual for the motor and read the manufacturers recommendations. Especially with the use of the fuel injectors in modern engines, the use of the very excellent fuel filters in a good fuel water separator, the likelihood of a foreign particle getting into a fuel injector is much reduced compared to no filter in the fuel line. Good luck |
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If you look at the maintenance manual for your new engine, on page 91, they speak of fuel system maintenance.
https://dmna.ny.gov/nynm/manuals/Mer...oke_Manual.pdf In particular, they speak of regularly servicing the low pressure fuel filter. Further more, they also mention that the use of something that is placed in the fuel system, and that could restrict the flow of fuel should be avoided. Good luck |
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Looking through the manual and the exploded parts diagrams I'm pretty sure this engine does not have a water separator built in. Looking around I find no indication that the low pressure filter will remove water.
I am no more clear than when I started hah. |
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