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Old 05-12-2015, 09:22 PM   #7
City: Montgomery, TX
Country: USA
Vessel Name: Encore
Vessel Model: Whitby 42
Join Date: Feb 2012
Posts: 807
Not familiar with that engine, but on my SP225s that fitting in the head is a return line from the injectors. It returns to the tank as well as the line from the injection pump.

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