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PostPosted: Sun Mar 29, 2015 8:37 am 
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Joined: Sun Aug 16, 2009 12:00 pm
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Location: Atascocita
i have a 2000 elpt mercury 90 2stroke. I bought the boat 5 years ago and dont know when the last time the fuel lines under the cowling were changed.

Where can i find there parts so i can refresh my entire fuel plumbing system.

Autoparts store hoses ok for this? They should be reated for ethanol and since they are under cowl no uv rating is required.

There is a Y hose where the oil and fuel mix, That looks like a mercury special.

Thanks.


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PostPosted: Sun Mar 29, 2015 8:57 am 
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Joined: Sun Jan 25, 2009 9:40 am
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Location: N HOUSTON
If they have sharp bends in the hoses you will have to get formed hoses from mercury or you may have problems a regular straight fuel line restricting your fuel from the bends.
Also that grey line is known for deteriorating, I didn't know they made a different one (3000 & 4000) I only use automotive "fuel line hose" & have recommended it also.

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PostPosted: Sun Mar 29, 2015 9:02 am 
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They have to be Us coast guard approved

USCG approved hose from seahorse (209.26.184.13) 1/25/1999 7:08:00 PM
All inboard gas engines are required to have Type A-1 hose installed. "A" hose withstands a 2.5 minute direct flame without leaking any gas. It is also alcohol resistant. Type A-2 allows more alcohol to seep thru the rubber. Type B-1 and B-2 are not fire resistant but allow the same amount of alcohol to "weep" thru the same as "A" hose. Auto hose does not meet any of the USCG requirements. Marine hose is labled as to the type every foot of the length. Almost all new boats come with A-1 hose since there isn't much difference in price. Most places sell it for less than $2 per foot.


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PostPosted: Sun Mar 29, 2015 9:15 am 
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auto hoses may work not sure how the rubber would stand up to the oil

in the marine gas . might need neoprene. But if you have a new engine

some insurance will not approve auto lines as well as the U.S. coast guard


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PostPosted: Sun Mar 29, 2015 11:27 am 
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Joined: Sun Aug 16, 2009 12:00 pm
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Location: Atascocita
Thanks for the replies!

I thought the grey hose was uv resistant. It turns out most of the gray stuff is uscg type b1 and there are many complaints about the grey stuff deteriorating.

most of the a1 type hoses are thick and black. Not sure how uv resistant they are. Might try that if this silverado 4000 turns out bad.

Looks like i need to dig out the mercury marine manual and see what the part numbers are. I want to replace them but dont want to create any new problems.


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