Yamaha - Gear - 66T-45571-00-00 Mercury-90HP-EFI-2005 and moving parts from premature

and moving parts from premature wear

This product has been superseded by: 866091T05

this prop keeps your boating experience simple

69J-81925-00-00 - TERMINAL

you’ll notice the difference right away—crisp throttle response

Yamaha - Gear - 66T-45571-00-00 Mercury-90HP-EFI-2005 and moving parts from prematureYamaha Gear Lower Unit Gear Component 66T 45571 00 00 Overview The gear is a vital component within the Yamaha outboard lower unit, designed to transfer and manage engine power through the drivetrain. It works in coordination with other gears to ensure smooth operation, proper torque distribution, and efficient propulsion. Built to OEM specifications, this gear delivers precise engagement, durability, and reliable performance in demanding marine