14. CHAIN MAINTENANCE TABLE
Chain pitch
inches
3/8 Mini
0.325
3/8
0.404
The table gives the sharpening data
for different types of chains, but this does
not mean you can use chains other than
15. PROBLEM IDENTIFICATION
PROBLEM
1. The engine will
not start or will not
keep running
2. The engine starts
but lacks power.
3. The engine runs
irregularly and lacks
power when revved
4. The engine makes
too much smoke
5. If the engine floods
Limiter tooth level (a)
mm
inches
9.32
0.018
8.25
0.026
9.32
0.026
10.26
0.031
PROBABLE CAUSE
Incorrect starting procedure.
Dirty spark plug or incorrect
distance between the electrodes
Air filter clogged
Anti-freeze device
assembled incorrectly
Carburetion problems
Air filter clogged
Carburetion problems
Dirty spark plug or incorrect
distance between the electrodes
Bar and chain problems
Carburetion problems
Incorrect composition
of the fuel mixture
Carburetion problems
The starter grip has been
driven repeatedly with
the starter inserted.
a
mm
0.45
0.65
0.65
0.80
those approved and listed in the "Correct
bar and chain combination table".
Follow the instructions (par. 6.3)
Check the spark plug (par. 8.5).
Clean and/or replace the filter (par. 8.2).
Check the assembly
position (par. 6.1.4)
Contact the authorised
assistance centre.
Clean and/or replace the filter (par. 8.2).
Contact the authorised
assistance centre.
Check the spark plug (par. 8.5).
Check that the chain runs freely and
the bar guides are not deformed.
Contact the authorised
assistance centre.
Prepare the fuel mixture according
to the instructions (par. 7.2)
Contact the authorised
assistance centre.
Remove the spark plug (par. 8.5) and
gently pull the starter rope handgrip
(Fig. 11.D) to eliminate any excess
fuel; then dry the spark plug electrodes
and remount it on the engine.
EN - 19
File diameter (d)
d
inches
mm
5/32
4.0
3/16
4.8
13/64
5.2
7/32
5.6
REMEDY