Sierra 18-99469 Trigger Assembly for Yamaha 4-Cylinder Outboard Engines

The Sierra 18-99469 is a precision trigger assembly designed specifically for Yamaha 4-cylinder outboard marine engines. This critical ignition system component works in conjunction with the stator and CDI unit to provide accurate timing signals for optimal engine performance.

Key Features:

• Direct replacement trigger assembly for Yamaha 4-cylinder outboard motors
• Manufactured to meet or exceed OEM specifications
• Provides precise timing signals to the ignition system
• Built for reliable marine environment performance
• Quality aftermarket alternative from Sierra, a trusted marine parts manufacturer

This trigger assembly is essential for maintaining proper ignition timing and ensuring smooth engine operation. Sierra marine parts are engineered for durability in harsh saltwater and freshwater conditions, making this an excellent replacement component for your Yamaha outboard motor's ignition system.