CDI Electronics 511-4017 Johnson Evinrude Optical Sensor Tester V4/V6

The CDI Electronics 511-4017 is a professional diagnostic tool designed specifically for testing V4 and V6 optical sensors on Johnson and Evinrude outboard motors. This versatile tester works both on-engine and bench applications, making it ideal for marine technicians and DIY mechanics who need reliable sensor diagnostics.

Key Features:

• Tests optical sensors on V4 and V6 Johnson/Evinrude engines
• Audible alert system for hands-free timing adjustment during ignition timing procedures
• Versatile testing capability - use on the engine or at the bench
• Complete kit includes protective carrying case, test leads, and instruction manual
• Simplifies troubleshooting of ignition system sensor faults

This tester eliminates guesswork when diagnosing optical sensor issues, helping you quickly determine if the sensor is functioning properly or needs replacement. The audible alert feature is particularly useful during timing procedures, allowing you to focus on adjusting the distributor without constantly watching the tester display.