Seller notes

Here we have the Lower unit for the 9.9 hp Yamaha 4 stroke outboards listed below. May fit other models as well. This lower unit shifts and turns smoothly. The seals and water pump impeller are good. Fresh gear oil has been installed. The drive shaft has 11 splines. The propeller shaft has 8 splines. Excellent replacement lower unit. Ready to bolt on and use! Removed from model T9.9ELRR, a 1993 9.9 hp Yamaha High Thrust 4 stroke. From the fresh waters of Michigan. See pics. Yamaha Outboard 9.9HP...

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