Yamaha - Stopper - 6FM-42761-10-00 MerCruiser-4-5L-MPI-Alpha-2004 With Mercury gear

With Mercury gear

or an engine that never warms up fully can indicate thermostat issues

Constructed inside a ruggedized

This product has been superseded by: YF1-26311-41-10

The Mercury Ignition Key Switch with Harnesses is designed for mechanical outboard applications where dependable engine starting and stopping are essential

Yamaha - Stopper - 6FM-42761-10-00 MerCruiser-4-5L-MPI-Alpha-2004 With Mercury gear6FM 42761 10 00 STOPPER 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.