511-9764 Neon Spark Tester 1 CylAdditional Info:
Sealed spark tester can be used inline to the spark plug while the engine is running or it can be connected to engine ground for cranking speed tests.
Troubleshooting and Installation Guide (pdf)
Ideal for personal watercraft. Sealed design is an added safety factor that further reduces the possibility of ignitiing gas fumes, especially in the hull of a PWC. Good for checking spark on running engines.