2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 183Get this manual

2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 183

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TIMING, SYNCHRONIZING,ADJUSTING
aCylinder #4 synchronizing screw (Torx-25)Cylinder #6 synchronizing screw (Torx-25)

90-888465 JUNE 2002

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