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ENG
CAMSHAFT, ROCKER ARMS AND VALVES
2. Check:
• rocker arm shaft
Blue discoloration/excessive wear/pitting/
scratches → Replace or check the lubrica-
tion system.
3. Check:
• camshaft lobe
Excessive wear → Replace the camshaft.
4. Measure:
• rocker arm inside diameter
Out of specification → Replace.
Rocker arm inside diameter
10.1 mm (0.3976 in)
5. Measure:
• rocker arm shaft outside diameter
Out of specification → Replace.
6. Calculate:
• rocker-arm-to-rocker-arm-shaft clearance
TIP
Calculate the clearance by subtracting the
rocker arm shaft outside diameter from the
rocker arm inside diameter.
Out of specification → Replace the defective
part(s).
Rocker arm shaft outside diame-
ter
9.91 mm (0.3902 in)
Rocker-arm-to-rocker-arm-shaft
clearance
0.013 ~ 0.043 mm
(0.0005 ~ 0.0017 in)
a
a