Yamaha WR426F 2001 Fahrer- Und Wartungshandbuch Seite 278

VALVE CLEARANCE ADJUSTMENT
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Install the camshafts (exhaust and intake),
the timing chain and the camshaft caps.
Refer to "CAMSHAFTS" section in the
CHAPTER 4.
Bolt (camshaft cap):
10 Nm (1.0 m • kg, 7.2 ft • lb)
Install the timing chain tensioner.
Refer to "CAMSHAFTS" section in the
CHAPTER 4.
NOTE:
Turn the crankshaft counterclockwise sev-
eral turns so that the installed parts settle
into the right position.
Recheck the valve clearance.
If the clearance is still incorrect, repeat all
the clearance adjustment steps until the
specified clearance is obtained.
6. Install:
All removed parts
NOTE:
Install all removed parts in reversed order of
their removal. Note the following points.
INSP
ADJ