Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 155Get this manual
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77 Connect low oi warn ing wiring (l ight blue), (Black) and overheat horn wiring (black) to terminal block on ignition plate 8 Flywheel Flywheel Holding Tool (91-52344)Torque Wrench: Torque to 1()()