Yamaha Lower Unit Assembly - F2.5 - 6EG-G5300-10-8D - See Description for Applicable ModelsYamaha Lower Unit Assembly Gearcase Component 6EG G5300 10 8D Overview The Yamaha Lower Unit Assembly 6EG G5300 10 8D is what turns your small engines power into real movement on the water. On a 2. 5 horsepower, everything needs to be tight and efficient, and when the lower unit starts to wear, youll feel it right away. Whether its noise, rough rotation, or just not pushing like it should, this is usually where the issue lives. Swapping in a solid