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Capn Jack
Joined: 01 Oct 2007
Posts: 525
City/Region: La Conner
State or Province: WA
C-Dory Year: 1988
C-Dory Model: 16 Angler
Vessel Name: Pocket Yacht
Photos: Pocket Yacht
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 Posted: Sun Jul 09, 2023 3:32 pm Post subject: Outboard fuel lines |
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I had to replace the fuel lines for both my outboards this season. 
The Gas only for the big engine had gotten brittle on the plastic end and the bulb was getting hard to compress.
The 2 cycle kicker fuel line had the same problem and a few years ago one of the plastic lines on the big motor just snapped off as I was changing tanks.
Most of my lines are rubber and they make everything black, but they don't get hard. I'm sure it has something to do with the ethanol in road fuel. |
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colbysmith
Joined: 02 Oct 2011
Posts: 4918
City/Region: Madison
State or Province: WI
C-Dory Year: 2009
C-Dory Model: 25 Cruiser
Vessel Name: C-Traveler
Photos: C-Traveler and Midnight-Flyer
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| Posted: Sun Jul 09, 2023 5:26 pm Post subject: |
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| I’ve been running regular E10 without problem. Most newer engines and fuel line are made to handle E10. But overtime fuel lines do deteriorate. |
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jkidd
Joined: 23 Oct 2006
Posts: 1668
City/Region: Northern, Utah
State or Province: UT
C-Dory Year: 2007
C-Dory Model: 22 Cruiser
Vessel Name: Voyager
Photos: Voyager (JK)
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| Posted: Sun Jul 09, 2023 8:23 pm Post subject: |
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The EPA defines useful life as 10 years for boat fuel system components and five years for PWC fuel systems. My boat was built in 2007 and no Ethanol rated hoses were used. Mine have all been changed out. I try not to use any fuel with Ethanol in it. Not only is it bad for the fuel line but you get less HP and less fuel economy with it.
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Jody Kidd
KE7WNG
Northern, Utah
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ssobol
Joined: 27 Oct 2012
Posts: 3563
City/Region: SW Michigan
State or Province: MI
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: SoBELLE
Photos: SoBelle
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| Posted: Sun Jul 09, 2023 8:29 pm Post subject: |
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| jkidd wrote: | | ... My boat was built in 2007 and no Ethanol rated hoses were used. ... |
Seems odd that a boat built in 2007 would not have ethanol tolerant hoses in the fuel system. |
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jkidd
Joined: 23 Oct 2006
Posts: 1668
City/Region: Northern, Utah
State or Province: UT
C-Dory Year: 2007
C-Dory Model: 22 Cruiser
Vessel Name: Voyager
Photos: Voyager (JK)
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| Posted: Sun Jul 09, 2023 9:07 pm Post subject: |
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| The new USCG A1-15 fuel line standards became effective January 1, 2012 and all boat builders and boat importers must comply with them. I should say that the Motor had Ethanol rated hose. Just not the hoses from the tanks to motor and the vent lines. They were just general purpose fuel line. |
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thataway
Joined: 02 Nov 2003
Posts: 21375
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
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| Posted: Mon Jul 10, 2023 5:43 am Post subject: |
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In addition to Jody's excellent comments, ethanol fuel can case corrosion of damage to plastic, metal parts in the fuel system as well as seals and gaskets of various compositions.
I only ethanol laced fuel if I cannot get non ethanol fuel. Fortunately there are several ethanol free pumps within a few miles of my home and it is no problem to pick up a couple of 5 gallon fuel cans almost full when I am out and about.
States like California does not have non ethanol fuel even in the marine fuels, that I could find in S. Calif. I aviation gas is the only non ethanol fuel I could find there. It is not road taxed, but since it is used in a boat, that should not be an issue (I am not sure about that from a legal standpoint.)
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Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL |
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colbysmith
Joined: 02 Oct 2011
Posts: 4918
City/Region: Madison
State or Province: WI
C-Dory Year: 2009
C-Dory Model: 25 Cruiser
Vessel Name: C-Traveler
Photos: C-Traveler and Midnight-Flyer
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| Posted: Mon Jul 10, 2023 9:54 am Post subject: |
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| thataway wrote: | | States like California does not have non ethanol fuel even in the marine fuels, that I could find in S. Calif. I aviation gas is the only non ethanol fuel I could find there. It is not road taxed, but since it is used in a boat, that should not be an issue (I am not sure about that from a legal standpoint.) |
According to my dad, a general aviation pilot, avgas contains lead! I would not recommend using it in any boat with a modern engine.
Colby |
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thataway
Joined: 02 Nov 2003
Posts: 21375
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
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| Posted: Mon Jul 10, 2023 11:57 am Post subject: |
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| colbysmith wrote: | | thataway wrote: | | States like California does not have non ethanol fuel even in the marine fuels, that I could find in S. Calif. I aviation gas is the only non ethanol fuel I could find there. It is not road taxed, but since it is used in a boat, that should not be an issue (I am not sure about that from a legal standpoint.) |
According to my dad, a general aviation pilot, avgas contains lead! I would not recommend using it in any boat with a modern engine.
Colby |
Back a number of years we worried about burning non leaded gas in the two stroke outboards
| Quote: | | While some airplanes still use leaded fuel, unleaded fuel is far more common. Many small airplanes also run on unleaded fuel. |
It was 1986 when TEL was phased out of all car fuels. A number of The Hull truth run TEL laced fuel in their cars, snowmobiles, ATVs and outboard motors
So if forced to use ave gas certainly ask about the lead. Tom should know if he is not too involved with lake fishing... |
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ssobol
Joined: 27 Oct 2012
Posts: 3563
City/Region: SW Michigan
State or Province: MI
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: SoBELLE
Photos: SoBelle
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| Posted: Mon Jul 10, 2023 2:53 pm Post subject: |
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| 100LL avgas contains about the same amount of lead as auto gas from 1973. |
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