1D-49 Engine Mechanical:
• Install the tappet shims and the tappets to their
original positions.
NOTE
• Apply engine oil to the stem.
• Apply molybdenum oil solution to the
tappet.
• When seating the tappet shim, be sure the
figure printed surface faces the tappet.
M/O: Molybdenum oil (MOLYBDENUM OIL
SOLUTION)
Oil gallery plug (Cylinder head)
Tighten the oil gallery plugs (1) to the specified torque.
CAUTION
!
Replace the gasket with new ones.
Tightening torque
Oil gallery plug (Cylinder head) (M6) (a): 10 N·m (1.0
kgf-m, 7.0 lbf-ft)
Cylinder Head Related Parts Inspection
B944H11406050
Refer to “Cylinder Head Disassembly and Assembly
(Page 1D-46)”.
Cylinder Head Distortion
1) Decarbonize the combustion chambers.
2) Check the gasketed surface of the cylinder head for
distortion with a straightedge and thickness gauge,
taking a clearance reading at several places as
indicated. If the largest reading at any position of the
straightedge exceeds the limit, replace the cylinder
head.
Special tool
: 09900–20803 (Thickness gauge)
Cylinder head distortion
Service limit: 0.05 mm (0.002 in)
Valve Stem Runout
Support the valve using V-blocks, and check its runout
using the dial gauge as shown in the figure. If the runout
exceeds the service limit, replace the valve.
Special tool
(A): 09900–20607 (Dial gauge (1/100 mm, 10
mm))
(B): 09900–20701 (Magnetic stand)
(C): 09900–21304 (V-block (100 mm))
Valve stem runout (IN. & EX.)
Service limit: 0.05 mm (0.002 in)
I944H1140234-01
(a)
1
I944H1140235-01
I944H1140236-01
(A)
(C)
(B
I649G1140231-03
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