Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 103Get this manual
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FUEL PUMP REFNOQTY1 FUEL FILTER -1 -2 STA- STRAP TUBING (16IN TUBING (19IN FUEL CONNECTOR ORING FUEL PUMP SCREW COVER DIAPHRAGM SCR EW NUT CHECK VALVE DIAPHRAGM PIN SPRING NUT SPRING PLUNGER RING SCRE