Engine Mechanical: 1D-42
• Tighten the head cover bolts (1) to the specified
torque.
Tightening torque
Head cover bolt (a): 14 N·m (1.4 kgf-m, 10.0 lb-ft)
• Install the spark plugs. Refer to “Ignition Coil / Plug
Cap and Spark Plug Removal and Installation in
Section 1H (Page 1H-6)”.
• Install the following parts:
– Air cleaner box
(Refer to“Air Cleaner Box Removal and Installation
(Page 1D-6)”.)
– Throttle body
(Refer to “Throttle Body Removal and Installation
(Page 1D-10)”.)
Camshaft Inspection
B815H21406021
Refer to “Engine Top Side Disassembly (Page 1D-27)”.
Refer to “Engine Top Side Assembly (Page 1D-31)”.
Camshaft Identification
The exhaust camshaft has the embossed letters “EX”
and the intake camshaft has the embossed letters “IN”.
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 (1/100 mm, 25 – 50
mm))
Cam height “a”
Service limit (IN.): 36.68 mm (1.444 in)
Service limit (EX.): 36.28 mm (1.428 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 (1/100 mm, 10
mm))
(B): 09900–20701 (Magnetic stand)
(C): 09900–21304 (V-block (100 mm))
Camshaft runout (IN. & EX.)
Service limit: 0.10 mm (0.004 in)
(a)
1
I823H1140091-02
I823H1140092-01
“a”
I649G1140199-02
(A)
(B)
(C)
I823H1140093-01
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