OMC Evinrude Johnson Shoulder Screw

A shoulder screw, also known as a shoulder bolt, is a specialized fastener characterized by a cylindrical, unthreaded shoulder between the head and the threaded portion. In OMC Evinrude Johnson outboard motors, shoulder screws are integral components used in various assemblies, including starters, tilt mechanisms, and control linkages.

Key Features:

• Design: The unthreaded shoulder allows for precise alignment and rotation of connected parts, making it ideal for pivot points and moving assemblies.

• Applications: Commonly found in starter assemblies, tilt mechanisms, and control linkages within outboard motors.

Examples of OMC Evinrude Johnson Shoulder Screws:

• Part #312761: Used in starter assemblies; features a flat head with a short threaded section.

• Part #329109: Employed in exhaust housing assemblies; replaces part #321389.

• Part #318205: Designed for specific models; ensure compatibility before purchase.