Yamaha - Key, woodruff - 90280-04002-00 Mercury-75HP-EFI-2009 It’s designed to resist washout

It’s designed to resist washout and corrosion even when gear runs wet

F115WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer

and confirm through your serial number

Provides a water exit for boats with self-bailing cockpits

Airmar CHIRP transducers are made with cables ending in a bare wire connection

Yamaha - Key, woodruff - 90280-04002-00 Mercury-75HP-EFI-2009 It’s designed to resist washoutYamaha Woodruff Key Flywheel & Shaft Alignment 90280 04002 00 Overview This woodruff key is one of those pieces that quietly keeps everything in sync inside your engine. It holds components in the exact position they need to be so timing stays consistent every time you fire up. Ive seen engines act completely off just because this small part was worn or slightly out of place. Its not complicated, but its absolutely essential if you want things running