Mercury - Manual-operation - 90-8M0074360 Mercury Engine Winterization and OEM-quality fitment for consistent

and OEM-quality fitment for consistent protection

The Yamaha Woodruff Key 90280-04M05-00 is there to keep critical rotating parts locked in position so everything stays indexed the way Yamaha intended

ZINC PLATED

This product has been superseded by: FA735060

When they’re in place

Mercury - Manual-operation - 90-8M0074360 Mercury Engine Winterization and OEM-quality fitment for consistentThis product has been superseded by: 90 8M0086943 Manual operationWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or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.