Honda CB900F Service Manual page 220

Rem ov e th e stopper tool from the cam chain
tensioner lifter.
Install a new seal ing washer and tighten the
sealing bo lt.
Recheck the valve timing.
App ly oil to t he new O-r ing, and install it onto the cam
pulse generator.
Install the cam pulse generator into the cylinder head .
Install and t ighten the mounting bo lt securely.
CYLINDER HEAD/VALVES
STO PPER TOOL
8-27