Changing Oil; Checking Oil Level Changing Oil - Stihl FS 25-4 User Manual

Adjusting
•
Slacken off nut (1). Use 2.5 mm
Allen key to rotate adjusting
screw (2).
To increase valve clearance:
Turn screw counterclockwise.
To reduce valve clearance:
Turn screw clockwise.
- Hold adjusting screw steady and
tighten down nut to 5 Nm.
- Check valve clearance again.
Assemble in the reverse sequence.
- Use new gasket for valve cover.
- Tighten down valve cover
screws
to 4 Nm.
FS 25-4, 65-4
6.2 Checking Oil Level/

Changing Oil

Checking
- Put engine down on a level
surface.
- Unscrew the dipstick and wipe it
with a clean cloth.
- Push the dipstick into filler neck
as far as stop but do not screw it
home.
•
Remove the dipstick and check
the oil level.
•
If oil level is low, top up with
fresh engine oil to edge of filler
neck.
- Screw dipstick home and tighten
down firmly.
Changing
- Unscrew the dipstick.
- Tip the engine to one side to
drain oil into a suitable container.
Note: Observe safety precautions -
see 1.
- Put engine down on a level
surface.
- Fill up with engine oil to edge of
filler neck.
- Screw dipstick home and tighten
down firmly.
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