Yamaha Apex RX10PA 2011 Supplementary Service Manual page 198

CAMSHAFTS
5. Measure:
• Camshaft journal diameter
Out of specification → Replace the cam-
shaft.
Within specification → Replace the cylinder
head and the camshaft caps as a set.
Camshaft journal diameter:
24.459 ~ 24.472 mm
(0.9630 ~ 0.9635 in)
6. Inspect:
• Camshaft sprocket
More than 1/4 tooth
the camshaft sprockets and the timing
chain as a set.
1/4 tooth
Correct
Timing chain
Camshaft sprocket
7. Inspect:
• Timing chain guide (exhaust side
top side )
Damage/wear → Replace the timing chain
guide.
81
ENG
wear → Replace
and