Check part # 8 for looseness on the shaft! Also is your steering when you move forward and back tilting any. The shaft #7 might be loose in the collar in the pedestal.
I would also look at how well the teeth on 8 and 11 fit together 8 could have just enough wear to let it slipCheck part # 8 for looseness on the shaft! Also is your steering when you move forward and back tilting any. The shaft #7 might be loose in the collar in the pedestal.