Yamaha - Engine control unit assy - 6GN-8591A-20-00 Yamaha-F115B-2020 especially on older engines where

especially on older engines where cooling system parts are already being inspected

or fuel leaks are common signs that internal carburetor components may need replacement

Engineered to match exact Mercury Marine part number 8M0179981

Check your serial number and verify that your outboard is a 40-60HP FourStroke EFI with BigFoot or Command Thrust gearing

no alerts when expected

Yamaha - Engine control unit assy - 6GN-8591A-20-00 Yamaha-F115B-2020 especially on older engines where6GN 8591A 20 00 ENGINE CONTROL UNIT ASSY 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.