Mercury - Mercathode Reference Electrode Tester - 91-8M0135998 Yamaha-F9-9--66N-Models-2005 Designed specifically for the performance

Designed specifically for the performance enthusiast

Bucket Base

settles into idle without hesitation and delivers steady lubrication even after long storage intervals

A: OEM filters are designed to match Yamaha engine oil pressure

to help restore cooling water circulation through the engine

Mercury - Mercathode Reference Electrode Tester - 91-8M0135998 Yamaha-F9-9--66N-Models-2005 Designed specifically for the performanceUse with a digital multimeter to test the function of Mercathode systems. Senses an electrical current in the water when testing the Mercathode system. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.