Yamaha O-Ring - 93210-09802-00. Essential OEM Seal for Reliable Yamaha Performance. The Yamaha - O-ring - 93210-09802-00 is a genuine factory replacement seal designed to prevent fluid leaks and maintain pressure integrity in your Yamaha equipment. Crafted from high-grade materials, this O-ring delivers the precision fit and sealing power required for long-term performance in marine and engine environments.. Whether you're replacing a worn seal during scheduled maintenance or fixing a fluid issu