Yamaha - Gear - 66R-45560-01-00 Mercury-15HP-EFI-2012 and potential disconnection within your

and potential disconnection within your outboard engine

There’s a big difference between a thermostat that simply fits and one that’s engineered for your exact engine

SS 1/4" NPT female thread with 3/8" barb

6X9-48206-11-00 - FLUSH 2ND DEC REM

Yamaha - Gear - 66R-45560-01-00 Mercury-15HP-EFI-2012 and potential disconnection within yourYamaha Gear Lower Unit Gear Component 66R 45560 01 00 Overview The gear is a critical 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