Changing Your Boats Fuel Filter / Fuel Water Separator

How to change your boats fuel water Separator or and fuel filter. This is a Mercruiser 4.3 but, a lot of I/O's are very similar. The water separators job is to catch the water before it goes into the cylinders mixing with the gas. It will help keep your boat healthy and running great. You should change it every year or at least every two years.
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[@Skyhawk945]

No no, oil to lube gasket only.. Always change during fall winterization because any water in the filter could freeze and split the filter wide open and gas will end up in the bilge.

[@matthill5066]

This is how NOT to change your filter. Pull up your dip stick and get a little bit of oil to put on the new filter. And ALWAYS prime the new filter with gas so that you don’t run the fuel pump dry. It will burn out and ruin the pump in seconds. I learned that lesson the hard way.

[@martinschulz9381]

When I bought our boat and the salesman was running me through all the tips, he really emphasized the importance of changing this filter regularly. Good video, but fill the new filter with gas first.

[@userac-xpg]

would it be better to use a little motor oil on the seal instead of fuel? like an oil filter.. I'd be concerned the gasoline would dry out the seal.

[@richarddomsicz670]

way too tight

[@christopherwilliams4647]

Good video, I like to give the o-ring a light coat of marine grease. It will come off much easier. I use the larger Yamaha filters, they'll fit the same base as that quicksilver. I always change them once a year, its cheap insurance.

[@donnakelly5993]

Use oil on O ring not gas!

[@paulinswfl8218]

Just wondering why you didn't prime the filter? Is that engine fuel injected? I have a Ford 302 in my boat with a 2bbl Holly and I prime it. Works for me. Nice video!

[@cdilljr]

Whatever is in the top of the filter is the fuel. Water will be at the bottom. It’s heavier than gas. Easy to see on my diesel engine. Dirty water at bottom, pink fuel on top.

[@yektaahishali5436]

It is not water all that is you know that yeah? Only a few drops in it. Those filters work diffrently.

[@sean6049]

Hey Chris, I have a 3.0 Mercruiser that I used to take out all the time, it ran great.

[@ponchyah2517]

Nice Job!

[@daveengstrom9250]

Wow. Just wow.

[@beer_money]

How many hours would you say you want to change this out? Different boat owners will put different amount of hours on their motors each year.

[@alexgussev5328]

What to look for if rpm gauge not working

[@Fishingin290]

Hello, I just got a fuel water separator Quicksilver, and I noticed something rattling inside. Is that normal on these fuel separator filters? I’ve done plenty oil changes with never rattling, not sure fuel separator is different.

[@kennyparrish3156]

Het dumb dumb read the directions on how to tighten the filters