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Fuel leak/ fuel system o a 1993 Classic 2452 - by: justymis

  • CBOC
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1 year 4 months ago #6626 by CBOC
cbocmarine.com - I need some info. here for my 93 2452. It's powered by a GM Mercruiser 5.0 (305). Took her out for an afternoon was running great at all rpm ranges, even wot was fine. Then with no notice it stoppe... Original Source

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1 year 4 months ago #6642 by David
The Carter pump you got from Auto Zone was it a marine pump ? You say the old one has a fitting and the manual indicates it goes to the rear of the carb. Does the new pump have that fitting ? Below is what a replacement pump should look like for your engine year and model. Both are Marine pumps.

1990 Sunray Infinity
Twin 5.7 Cobra's

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  • k-townguy
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1 year 4 months ago #6643 by k-townguy
If the fuel pump that you bought does NOT have that nipple...return it and buy the proper marine fuel pump. That nipple is to connect to the carb with a clear fuel resistant hose. The purpose of the hose is incase the diaphragm ruptures, the fuel will be delivered into the carb instead of the bilge. Chances are, the fuel leak is coming from the steel line you had to take off to replace the fuel pump. Take it off, check for dirt, make sure you didnt cross thread it, and put it on again, make sure it is TIGHT. Under no circumstances do you use a non marine fuel pump on a boat. If something happens, god forbid, and it is found that a non marine fuel pump was used, insurance may not cover you.



1985 Bayliner 2150 Ciera Sunbridge
VP AQ 125A/270

Why is there never enough time to do it right the first time, but always enough to do it right the second time.
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