![background image](http://html.mh-extra.com/html/stihl/fs-25-4/fs-25-4_user-manual_1379255014.webp)
- Remove the shroud -
•
Take out the screws.
- Remove the guard.
•
Take out the screws.
- Remove the muffler.
•
Remove cover plate.
Assemble in the reverse
sequence.
Note different lengths of screws.
- Remove the valve cover -
- Set piston to T.D.C. (both rocker
arms relieved).
•
Pull out pin (1).
•
Remove rocker arms (2).
•
To replace, slacken off nut (1)
and take out the adjusting
screw (2).
•
Remove the pushrods.
Assemble in the reverse
sequence.
- Pushrods must locate properly
in the adjusting screws.
- Adjust valves -
14
FS 25-4, 65-4