SHERCO 250 SEF-R Workshop Manual page 21

 Install the camshaft retaining cover. (pay
careful attention to the tightening order).
Camshaft retaining cover torque
10Nm
ATTENTION : The screw n°1 is a M6 X 35
 Install the camshaft chain tensioner using
a new gasket.
Torque the two fixing bolts to:
10Nm
 Install the cam tensioner adjusting bolt
(pay attention to the o-ring).
Torque the tensioner adjusting screw
to: 10Nm
 Remove the special tool number 1819.
 Rotate the engine a few times to make
sure that the valve timing is correct.
 Finally check the valve timing using the
timing marks.
 Replace the cap that was removed to
install tool number 1819.
Torque the cap to:
8Nm
 Replace the spark plug well.
ATTENTION : Make sure that the o-rings
are installed on the spark plug well.
 Apply a thin coat of silicone to the
camshaft end cap bores.
 Replace the valve cover.
 Install the valve cover installation bolts.
Torque the bolts to:
8Nm
20