26
Replacing the sprocket
CAUTION:
Protective gloves must be put on.
Check the sprocket before mounting a new chain (A).
Worn out sprockets (more than 0,2 mm) (B) may damage the
new chain and must therefore be replaced.
- Loosen the fastening nuts (C/1).
- Pull off the sprocket guard (C/2).
- Regularly check the three fastening screws (G/9) for tight-
ness.
Checking the sprocket
AB
FG
C
2
8
67
The spark arrester screen should be checked and cleaned
regulary.
- Remove the screw (F/6), deflector plate (F/7) and arrester
screen (F/8).
Caution: Do not use sharp or pointed objects for screen
cleaning. Damaged or misformed screen wires may result.
1
9

DE

- Remove the thrust washer (D/4) underneath it.
- Take off the sprocket (E/5) from the clutch drum.
- Position the new, slightly oiled sprocket and remount all
parts in the reverse order.
- Use the universal wrench to remove the locking washer
(D/3).
CAUTION:
The locking washer might jump out on removing.
435
Replacing/cleaning thespark arrester screen Checking themuffler screws