87-17009A5 Boat Motor Ignition Key Switch For Mercury Outboard Motors 3 Pos S7R1

Boat Motor Ignition Key Switch for Mercury Outboard Motors

This boat motor ignition key switch provides reliable starting control and cross-references with part numbers 87-17009A5 and S7R1.

Overview

This boat motor ignition key switch is engineered to restore proper starter and ignition functions on marine vessels. The boat motor ignition key switch features a three-position design to manage off, run, and start operations. It is a vital component for marine mechanics and boat owners addressing ignition failure issues.

Built For Performance

• Features a three-position configuration for standard start operations
• Corrosion-resistant contacts designed for wet marine environments
• Direct replacement style for straightforward wiring hookups
• Includes matching keys for immediate operation

Fits These Machines

• for Mercury Outboard Motors

On-The-Job Use

• Replacing faulty ignition key switches on outboard boat dashboards
• Restoring electrical contact connections in marine starting systems
• Servicing boat electrical controls during routine winterization or spring prep

Specs At A Glance

Good To Know

Q: What causes marine ignition switches to fail? A: Exposure to moisture, salt air, and general wear can corrode internal contacts, leading to intermittent starting issues. Replacing the switch resolves these connection problems.

Q: Does this switch include the keys? A: Yes, this marine ignition switch comes complete with a set of keys for immediate use.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.