SJ23 Tech Tip D14, (Updated 2025-06-09) Bob Schimmel.

Index

Outboard Repairs - 1976 Merc 7.5hp External Fuel Line.

FUEL LINE ELBOW (2025) - You have to wonder why it took me so many years to resolve this problem.  I sure do!  But it wasn't till 5 years ago that I finally "parked" Panache in a slip where rotating the outboard became an occasional requirement.  Prior to this, Panache was always on a mooring ball where I steered with the rudder and never had to rotate the outboard.  In addition, its only since this year that the lake level has dropped to the point where I have to navigate a slightly deeper channel to get to my slip.

PROBLEM - When the outboard was lowered to the bottom the original straight fuel line fitting would rest against the upper outboard bracket arm.  This prevented engine rotation.  This was not a problem out on open water, but as I got closer to the club slip my attention was directed to looking forward.  Just when things got difficult navigating that channel I naturally forgot about the fuel line.  When I tried to rotate the outboard, I sometimes flattened the line against the bracket arm, shutting off fuel flow.  I'm amazed the fuel line never broke. 

To solve this I installed a brass elbow fitting to direct the fuel line to the side so it rides stress free, never to rub against that arm.  I can now readily rotate the outboard for docking.  What a relief that the fuel line is no longer threatening to break.  I've always wondered about that during a dead calm when I'm a long way from the sail club berth.  I have never had to call for a tow and I'm not about to do so now.

I bought the brass elbow fitting at a local automotive supply shop.  It cost all of $2.55.  Pocket change with no receipt required, thank you!
 

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