Originally Posted by Royal Tiger
What is that other drain in your first pic below the #1 in front if the oil drain?
The bolt that is slightly obstructed (in the picture only) is one of the bolts to remove the left crank case cover. I think that is the one you are asking about.
The bolt at the right end of the "U" shape is to insert the crank TDC position lock pin. Whick leads to the last photo...