Yamaha - Gear - 66T-45571-00-00 Mercury-90HP-EFI-2005 There’s a certain comfort in

There’s a certain comfort in knowing the steering will respond the moment you touch the wheel

It’s a simple bit of insurance that keeps your performance strong

This product has been superseded by 990C0-00510-22P - 4B 15

and moving parts from premature wear

7RH-87249-A0-00 - PLATE

Yamaha - Gear - 66T-45571-00-00 Mercury-90HP-EFI-2005 There’s a certain comfort inYamaha 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