Unscrew the rocker shafts [A], and take the rocker arms
[B] out of the rocker case.
Take out the oil filters if necessary.
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
Install the rocker arms [A] and retaining springs [B] on
each rocker shaft as shown. These retaining springs are
The rocker arm [C] of the exhaust side [D] next to the
chain tunnel is different from the others.
Be careful not to tip the rocker arm and not to allow the
oil to leak out of HLA.
Replace the O-rings [E] with new ones and install them
on the rocker shaft [F].
Tighten the rocker shafts to the specified torque.
Torque - Rocker Shafts: 25 N·m (2.5 kgf·m, 18 ft·lb)
Apply silicone sealant [A] to the rocker case mating sur
face and the outer circumference of the plugs as shown.
Sealant - Kawasaki Bond (Silicone Sealant): 56019-120
Do not apply silicone sealant around the camshaft bear
Apply molybdenum disulfide oil to the threads and seating
surface of 12 mm nuts and both sides of washers.
Tighten the rocker case nuts and bolts temporarily follow
ing the tightening sequence shown, and then tighten them
to the specified torque.
Torque - Rocker Case Nuts 12 mm: 78 N·m (8.0 kgf·m, 58
Rocker Case Nuts
Rocker Case Bolts
6 mm: 8.8 N·m (0.90 kgf·m,
Inlet Side [A]
The molybdenum disulfide oil is a mixture of engine oil
and molybdenum disulfide grease with a weight ratio (10
8 mm: 25 N·m (2.5 kgf·m, 18
ENGINE TOP END 5-23