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  1. #1
    Registered
    My Boats:
    28 Skater w/ Twin 300xs
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    Nov 2006
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    fuel tanks in a Motion...

    Wondered if the fuel tanks in a Motion are glass or aluminum.Any trouble with the ethanol blend fuel??

  2. #2
    Gold Member Gold Member Maritime_Eng's Avatar
    My Boats:
    30 Doug Wright, 26 Bayliner Rendezvous with Diesel Outboard
    Join Date
    Nov 2003
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    Cape Coral, FL
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    2,283
    Motion tanks are fiberglass. Some are having problems, and others have not. Easiest way to check is to remove the fuel filter and cut it apart. There will be goal/amber chips in the bottom of the fuel filter.

    To fix this problem you have to cut the top of the tank off and cover the tank with a two part expoxy.

    hope this helps.

  3. #3
    Registered
    My Boats:
    06 Eliminator Daytona 27'
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    Jun 2006
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    ILL
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    Mine are aluminum 1994 25'

  4. #4
    Registered
    My Boats:
    91 25' MOTION
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    Mar 2009
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    WHITEHORSE YUKON CANADA
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    6

    Thumbs up

    My tanks are aluminum also 91 25.0

  5. #5
    Registered
    My Boats:
    Avance
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    Jul 2003
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    miami fla.
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    my are aluminum......

  6. #6
    Gold Member Gold Member Maritime_Eng's Avatar
    My Boats:
    30 Doug Wright, 26 Bayliner Rendezvous with Diesel Outboard
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    Nov 2003
    Location
    Cape Coral, FL
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    You are all very lucky. My last two 30 Motions have both been Fiberglass and I had to redo them both.......

  7. #7
    Platinum Member Platinum Member OL40SVX's Avatar
    My Boats:
    Ilmor Outerlimits
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    Jun 2003
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    Bristol, RI
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    It depends on year and what model boat.

  8. #8
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    My Boats:
    32 Spectre 300XSs
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    May 2010
    Location
    Sarasota, Fl
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    Quote Originally Posted by Maritime_Eng View Post
    You are all very lucky. My last two 30 Motions have both been Fiberglass and I had to redo them both.......
    How big of a task was it to repair the tanks? I'm looking at a boat that might have the same problem...

  9. #9
    Gold Member Gold Member Maritime_Eng's Avatar
    My Boats:
    30 Doug Wright, 26 Bayliner Rendezvous with Diesel Outboard
    Join Date
    Nov 2003
    Location
    Cape Coral, FL
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    2,283
    Quote Originally Posted by FullAuto9 View Post
    How big of a task was it to repair the tanks? I'm looking at a boat that might have the same problem...
    It was a big pain in the ass. Lots of work if you do it yourself.

  10. #10
    Gold Member Gold Member CcanDo's Avatar
    My Boats:
    "Udderly Fantastic" Motion / 28 Skater 300x's / Bennington Tri-toon 350 Yam
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    May 2002
    Location
    DFW
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    1,105
    Quote Originally Posted by Maritime_Eng View Post
    You are all very lucky. My last two 30 Motions have both been Fiberglass and I had to redo them both.......
    We replaced our Aluminum tanks.....New tanks are 5053 H36, 3/16" material (not 1/8" or .125 ) though the thicker material has a greater wt. factor it also has more rigidity....The extra rigidity may reduce work hardening, thereby effecting porosity.


    Regardless of materials used (fiberglass, Aluminum or stainless ) IMHO it may be appropriate to consider DUAL vents, a water trap and two flapper valves for the purpose of slowing if not eliminating ambient air when fuel is not being drawn. Further, as fuel is being drawn the water trap is TO collect moisture, without restriction.

    Subject to plumbing design, the system should breath without positive or negative tank pressure.


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