Honda 2010 CRF250R Service Manual page 210

CYLINDER HEADNALVES
InstaJi the set rings into the camshaft bearing grooves.
Install the camshaft holders by aligning their grooves
with the set rings and dowel pins with the camshaft
holder base holes.
NOTE:
- Each camshaft holder has an identification mark, "L·
is for the left side and
HR"
is for right side.
_ Install the holders with their "IW marks facing the
intake side.
Apply engine oil to the camshaft holder mounting bolt
threads.
Align the rocker arm
Install and tighten the camshaft holder mounting bolt to
shaft cut-outs with
the specified torque.
the camshaft holder
mounting bolls. TORQUE: 16 N'm (1.6 kgf-m, 12 IbHt)
8-34
Remove the stopper tool from the cam chain tensioner
!::=:::=::::~~
lifter.
TOOL:
Cam chain tensioner holder 070MG·0010100 or
07AMG·001A1DD
(U .S.A . only)
Make sure the index line on the cam sprocket align with
the cylinder head top surface.