5-20 ENGINE TOP END
Mark and record the rocker shafts so that they can be
reinstalled in their original positions. If the rocker shaft
does not be pulled out easily, pull it out by tightening the
removed rocker shaft bolt [A] into the shaft [B].
Front Rocker Case [C]
Remove the lash adjuster if necessary (see HLA Re-
The cylinder head and rocker case are machined
in the assembled state, so they must be used as a
set. Be careful not to mix them up for front and rear
Rocker Case Installation
Be sure the oil filters [A] are at the end of the intake side
rocker shafts [B].
If nesessary, replace the oil filter.
Apply molybdenum disulfide oil to the rocker shafts [C].
Install the rocker shafts so that their grooves [D] are
placed vertically as shown.
Front Rocker Case [E]
Rear Rocker Case [F]
Torque the rocker shaft bolts.
Torque - Rocker Shaft Bolts: 12 N·m (1.2 kgf·m, 104 in·lb)