Engine Mechanical: 1D-29
• Tighten the engine mounting damper stopper bolts (3)
to the specified torque.
Tightening torque
Engine mounting damper stopper bolt (a): 23 N·m
(2.3 kgf-m, 16.5 lbf-ft)
Valve Clearance Inspection and Adjustment
B931H21406019
Refer to “Valve Clearance Inspection and
Adjustment: in Section 0B”.
Camshaft Inspection
B931H21406020
Refer to “Engine Top Side Disassembly (Page 1D-18)”.
Refer to “Engine Top Side Assembly (Page 1D-22)”.
Automatic Decomp.
Inspection the decomp. control arm (1) moves smoothly
and decomp. cam (2) rotates together. If any abnormal
condition are found, replace the camshaft assembly with
a new one.
CAUTION
!
Do not attempt to disassemble the camshaft/
automatic decomp. assembly. It is not
serviceable.
Cam Wear
Check the camshaft for wear or damage.
Measure the cam height “a” with a micrometer.
Replace a camshaft if the cams are worn to the service
limit.
Special tool
: 09900–20202 (Micrometer (25 – 50 mm))
Cam height “a”
Service limit (IN.): 33.15 mm (1.305 in)
Service limit (EX.): 33.17 mm (1.306 in)
Camshaft Runout
Measure the runout using the dial gauge. Replace the
camshaft if the runout exceeds the limit.
Special tool
(A): 09900–20607 (Dial gauge)
(B): 09900–20701 (Dial gauge chuck)
(C): 09900–21304 (V blocks)
Camshaft runout (IN. & EX.)
Service limit: 0.10 mm (0.004 in)
(a)
3
I931H1140113-01
1
2
I931H1140115-01
“a”
I649G1140199-02
(B)
(C)
(A)
I931H1140116-01
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