7-30
Chapter 7 ASSEMBLY OF BASIC ENGINE
5.11 Clearance Between Bottom Face of Valve Bridge and Top Face of Valve Rotator - Inspect
Push the valve bridge by hand to make close contact of the
top end face of valve stem. Then, check the clearance
between bottom face of valve bridge and top face of valve
rotator. If the value deviates from the standard, find the
causal parts, and replace them with new ones.
Clearance Between Bottom Face of Valve Bridge and
Top Face of Valve Rotator - Inspect
5.12 Rocker Shaft Assembly - Install
(1) Install the spacer to the rocker shaft, and install the
rocker arms on both sides.
(2) Align the dowel pin hole of rocker shaft with dowel
pin, and install the rocker shaft assembly to rocker case.
(3) Tighten the bolts to the specified torque.
Rocker Shaft Assembly - Install
Be sure to keep the standard clearance between
valve bridge and valve rotator. If the clearance is
smaller than the standard, the valve cotter may
come off or get damage.
Item Standard value
Valve bridge
bottom face and
valve rotator
top face clearance
Intake side 2.1 mm [0.083 in.]
Exhaust side
Single valve
spring spec
3.4 mm [0.134 in.]
Double valve
spring spec
2.1 mm [0.083 in.]
Hold down the top of bridge by hand.
Valve rotator
Bridge cap
Valve bridge
Clearance between
valve bridge bottom
face and valve
rotator top face
147 ± 7.4 N·m
{15 ± 0.75 kgf·m}
[108 ± 5.5 lbf·ft]
Spacer
Oil passage
Rocker case
Oil passage
(clearance)
Rocker shaft
Positioning
pin