Product Overview
Optical Upgrade Kit-4 Cyl.

Unleash the full potential of your Evinrude or Johnson outboard with the CDI Electronics Optical Upgrade Kit-4 Cyl. This high-performance ignition upgrade delivers a dramatic boost in power and RPM, transforming your boating experience. Whether you're looking for exhilarating top-end speed, quicker hole shots, or simply smoother operation, this kit is engineered to ignite your engine's performance and redefine your time on the water.
Key Features
- Engineered for High Performance: Designed specifically for Evinrude Johnson outboards operating above 6500 RPM, this kit unlocks hidden power and performance.
- Increased RPM Limit: Depending on the specific kit variation, experience significantly higher RPM limits, pushing your boat to its maximum speed potential (see compatibility list for details).
- Enhanced Ignition Power: The optical ignition sensor and components in this kit provide a more precise and powerful spark, leading to improved combustion and overall engine efficiency.
- Quick Start & S.L.O.W. Compatibility: Compatible with engines featuring Quick Start and S.L.O.W. (Shift Lever Operated Warning) systems for enhanced starting and safety.
- Broad Compatibility: Covers a wide range of Evinrude Johnson outboards, including specific 4-cylinder and 6-cylinder models from 1979 to 2006 (see compatibility list for your engine).
- Durable Construction: Built with marine-grade components to withstand the harsh marine environment, ensuring long-lasting reliability.
- Easy Installation: Designed for straightforward installation, minimizing downtime and getting you back on the water faster.
Specifications
The Captain's Take
After years of battling sluggish performance, I finally upgraded my Evinrude with the CDI Electronics Optical Upgrade Kit, and it's like having a brand new engine! The increased power and RPM are game-changers. I'm hitting higher top speeds and experiencing significantly improved throttle response. This kit is a must-have for any serious boater looking to maximize their engine's performance and truly enjoy their time on the water.