Yamaha WR450F 2021 Owner's Service Manual page 99

• Make sure that adjusting pads are installed
with their numbers facing upward.
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f. Install the camshafts (exhaust and intake).
Refer to "CAMSHAFT" on page 5-13.
g. Measure the valve clearance again.
h. If the valve clearance is out of specifica-
tion, repeat adjusting the valve clearance
until it is within specification.
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