Installing the rocker axle
1. On SOHC 12V engines: the rocker shaft with the larger chamfer on the end is placed in the direction of the flywheel. On SOHC 16V engines: the axis of the rocker arm with a larger chamfer at the end is placed in the direction of the timing belt.
Attention! There are 8 lubrication holes on the inlet rocker shaft (pic. 3.36).
Pic. 3.36. There are 8 lubrication holes on the inlet rocker shaft: 1 - The end of the axis of the rocker arms with a larger chamfer; 2 - Oil holes
2. Install the rocker shaft with the oil holes towards the cylinder head.
Installing the rocker arm and rocker axle
3. The rocker arms and rocker axles are installed according to the identification marks (pic. 3.37, 3.38).
Pic. 3.37. Rocker arm and rocker shaft installation on SOHC 12V engines: 1 - Towards the timing belt; 2 - Identification label | 
Pic. 3.38. Rocker arm and rocker shaft installation on SOHC 16V engines: 1 - Towards the timing belt; 2 - Identification label |