Mercury - Sm o/b 40-50 4s - 90-828631R1 Blue Sea Systems Voltage Disconnect and Force outboards as well

and Force outboards as well as MerCruiser drives

Very — simply add the correct amount to your fuel tank before storage and run the engine briefly to circulate it

water-free fuel supply is the key to reliable performance on the water

more responsive

this is the one they’d recommend

Mercury - Sm o/b 40-50 4s - 90-828631R1 Blue Sea Systems Voltage Disconnect and Force outboards as wellThis product has been superseded by: 90 828631R3 Sm o b 40 50 4sWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or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.