Hinge Pin Tool – Fits Mercury MerCruiser Alpha One & Bravo Drives (Replaces 91-78310) family-yamaha-15esd and gaskets in accordance with

and gaskets in accordance with local environmental regulations

Reinstall the mounting nuts and tighten them in a crisscross pattern to the manufacturer's specified torque

5 2-Stroke 2002–2007 63V-W0078-01-00 Superseded by 63V-W0078-04-00 Yamaha 15F

Release Tension: Use a serpentine belt tool or a breaker bar on the tensioner pulley bolt to release the belt's tension

Hinge Pin Tool – Fits Mercury MerCruiser Alpha One & Bravo Drives (Replaces 91-78310) family-yamaha-15esd and gaskets in accordance withHinge Pin Tool Fits Mercury MerCruiser Alpha One & Bravo Drives (Replaces 91 78310) This specialized service tool is designed for the removal and installation of hinge pins on Mercury MerCruiser sterndrive bell housings. It is compatible with Alpha One (Gen I & II), Bravo One, Two, Three, and XR series sterndrive models from 1984 to the current production year. This tool is a direct replacement for Mercury part number 91 78310, Sierra 18 9861, and VG