Yamaha Lower Unit Assembly - F4 - F6 - 6EE-G5300-00-8D - See Description for Applicable ModelsYamaha Lower Unit Assembly Gearcase Component F4 F6 6EE G5300 00 8D Overview The Yamaha Lower Unit Assembly 6EE G5300 00 8D is what keeps your small outboard putting power into the water the way it should. On F4 and F6 motors, even a small issue in the lower unit shows up fastrough rotation, noise, or weak push. This assembly handles everything from gear transfer to prop output, so it needs to stay tight and aligned. If your motor isnt running as