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  How often to replace fuel/water separator?

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Author Topic:   How often to replace fuel/water separator?
Perry posted 09-19-2003 01:16 PM ET (US)   Profile for Perry   Send Email to Perry  
On average, how often should a fuel/water separator be replaced? Also the scheduled maintenance list in the user's manual has no mention of replacing the impellor. How often should this be relaced?
Bigshot posted 09-19-2003 01:58 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Impeller every 2-3 years depending on use and amount of dredging you do:)

Filter every season or 100 hours, whatever comes first. If she starts acting up on you, the first thing I would do is change the filter no matter if 100 or 1/2 hour of use. Reason being you NEVER know what kind of crap you just loaded in your tank at the gas station.

Jarhead posted 09-19-2003 02:38 PM ET (US)     Profile for Jarhead  Send Email to Jarhead     
A side note on the fuel/water separator. Take a look at Racor. They have sight bowl with a drain.
Could come in real handy in a pinch. :)
Bigshot posted 09-19-2003 02:56 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Ya know I have owned a few Racors and honestly I have NEVER drained one. I gave up paying the money and just buy the normal filters. Marpac makes a Stainless filter now, beats the black potmetal ones.
Perry posted 09-19-2003 03:25 PM ET (US)     Profile for Perry  Send Email to Perry     
Thanks guys, I just reached the 100 hour mark on the new motor and I will add the filter to my list of things to do.
jimh posted 09-19-2003 08:10 PM ET (US)     Profile for jimh  Send Email to jimh     
When you change the filter, be sure to refill the filter canister with gasoline before attaching it to the filter manifold. If you don't, you will be priming for a hour to draw fuel up from the tank.

Also see this comment re failure to prime filters:

cmarques posted 09-19-2003 09:11 PM ET (US)     Profile for cmarques  Send Email to cmarques     
I just changed mine this week.(see topic on power loss) Been putting off changing it but finally did 1year to the day after getting boat 9/12- I guess new plugs,filter and gearlube change was a nice b-day present! I remember there was an old thread about the housings corroding and leaking due to being cheap. I noticed some corrosion and a dead shrimp on top of mine but the filter mounting area was clean and no pitting inside the flange area.
Gep posted 09-19-2003 10:04 PM ET (US)     Profile for Gep  Send Email to Gep     
I second Jimh's advice on filling the canister.
Been there done that!
Perry posted 09-19-2003 11:07 PM ET (US)     Profile for Perry  Send Email to Perry     
I'm always impressed with good advice I receive on this forum. I probably wouldn't have thought to fill up the filter with gas first. Good link Jim, I wouldn't want to fry a piston like the owner of that Yamaha did.
WhalerAce posted 09-22-2003 09:58 AM ET (US)     Profile for WhalerAce  Send Email to WhalerAce     

Always somewhat reluctant to jump in and show my ignorance, but what the heck, it's Monday.

I remember the thread that Jimh had some time ago about the location of the fuel line primer bulbs (year or two ago now?). Anyhow, on my Outrage 22 W/D, I had the primer bulbs right after the transition from the big heavy lines that came out of the fuel tank and into the smaller black lines. From there, the black lines ran into the fuel filter and then to the engines. It just seems that since you are now PUSHING the fuel from the tank, there is no problem having air in the line to have to prime, and you can fill up the empty fuel filter and actually pump gas all the way up to the bowls of the carbs (yes, some of us still have carbed engines).

I hope that makes sense.

Anxiously awaiting your replies.


flawton posted 09-23-2003 10:03 AM ET (US)     Profile for flawton  Send Email to flawton     
Bingo Ace.

My Yamaha dealer told me that it is a heck of a lot easier to prime the line if you put the bulb between the tank and filter instead of between the fitler and engine. Its alot easier to push the fuel than to pull.

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