1D-31 Engine Mechanical:
Cam Chain Tensioner Inspection
B831G21406023
Inspect the cam chain tensioner in the following
procedures:
1) Remove the cylinder head. Refer to “Engine Top
Side Disassembly (Page 1D-17)”.
2) Remove the starter driven gear. Refer to “Engine
Bottom Side Disassembly (Page 1D-45)”.
3) Remove the cam chain tensioner (1).
4) Check the contacting surface of the cam chain
tensioner. If it is worn or damaged, replace it with a
new one.
5) Install the cam chain tensioner.
6) Reinstall the starter driven gear. Refer to “Engine
Bottom Side Assembly (Page 1D-51)”.
7) Reinstall the cylinder head cover. Refer to “Engine
Top Side Assembly (Page 1D-21)”.
8) Reinstall the removed parts.
Cylinder Head Disassembly and Assembly
B831G21406024
Refer to “Engine Top Side Disassembly (Page 1D-17)”.
CAUTION
!
Identify the position of each removed part.
Organize the parts in their respective groups
(i.e., intake, exhaust) so that they can be
installed in their original locations.
Disassembly
1) Remove the tappet (1) and shim (2) by fingers or
magnetic hand.
2) Using the special tools, compress the valve spring
and remove the two cotter halves (3) from the valve
stem.
CAUTION
!
To prevent damage of the tappet sliding
surface with the special tool, use the sleeve
protector.
Special tool
(A): 09916–14510 (Valve spring
compressor)
(B): 09916–14521 (Valve spring compressor
attachment)
: 09916–84511 (Tweezers)
(C): 09919–28610 (Sleeve protector)
3) Remove the valve spring retainer (4) and valve
spring (5).
1
I831G1140144-02
I831G1140145-01
1
2
I831G1140188-02
3
(A)
(B)
(C)
I831G1140146-02
5
4
I831G1140147-01
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