Yamaha F50D Servise Manual page 182

POWR
TIP:
Make sure that the arrow marks a on the
9
tensioners 5 are facing up.
Make sure that the rocker arm retainer 7
9
and stoppers 8 are assembled facing in
the direction shown.
3. Install the rocker arm shaft assembly to
the cylinder head, and then tighten the
bolts 9 to the specified torque and in the
sequence numbers ( ,
9
7-41
Power unit
, ···).
9