Sierra Ignition Pack 18-99307 for 3-Cylinder Yamaha Outboard Engines

The Sierra 18-99307 Ignition Pack is a replacement ignition component engineered for 3-cylinder Yamaha outboard engines. It is part of Sierra's marine ignition system lineup, built to restore reliable spark delivery and consistent engine timing on applicable Yamaha outboards. As a core ignition system component, it plays a critical role in engine starting and running performance, making it an important part to have on hand for outboard maintenance and repair.

This ignition pack is designed as a direct fit for 3-cylinder Yamaha outboard powerheads, helping restore factory ignition performance when the original unit fails or degrades over time. Sierra manufactures marine parts to meet the demands of the marine environment, and this ignition pack is sized and weighted to match the original equipment it is intended to replace.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-99307
• Product Name: Yamaha Ignition Pack-3 Cyl.
• Category: Yamaha Outboard Ignition System
• Weight: 1.2 pounds
• UPC: 808282395292

Fitment

• 3-cylinder Yamaha outboard engines

Frequently Asked Questions

What engines does the Sierra 18-99307 ignition pack fit? The Sierra 18-99307 ignition pack is designed for 3-cylinder Yamaha outboard engines.

What is the Sierra 18-99307? It is a Yamaha ignition pack, part number 18-99307, a core component of the outboard's ignition system.

How much does the 18-99307 ignition pack weigh? The Sierra 18-99307 ignition pack weighs 1.2 pounds.

Is the Sierra 18-99307 a genuine Sierra part? Yes, part number 18-99307 is manufactured and sold under the Sierra brand as an ignition system component for Yamaha outboards.

What category of part is the 18-99307? The 18-99307 is categorized within the Yamaha outboard ignition system product line.

Will this ignition pack work on a 2-cylinder or 4-cylinder Yamaha outboard? The Sierra 18-99307 is designated specifically for 3-cylinder Yamaha outboard engines.

What is the UPC for the Sierra 18-99307 ignition pack? The UPC for the Sierra 18-99307 Yamaha ignition pack is 808282395292.

Why would I need to replace the ignition pack on my Yamaha outboard? The ignition pack is a core part of the outboard's ignition system, and a failing or degraded unit like the Sierra 18-99307 can cause starting or running problems on 3-cylinder Yamaha outboards.