2
22
engi
n
e dis
a
s
sem
bl
y
Cylinder removal.
Removal of elastic ring 4 from right hand side of pi-
ston.
Pin bolt removal.
1
3
4
5
B
A
2
2.1.5 DISASSEMBLING CYLINDER
AND PISTON
Lift up the cylinder
1
a few centimetres, remove
the two centring bushes
2
(both located on the
chain side) to prevent them from falling inside the
crankcases and continue on removing the cylinder.
Remove the cylinder gasket
3
.
Place a clean cloth between the piston and the
crankcase to keep foreign objects or simple residue
from falling inside the base. Using a suitable tool to
insert the specific seat
A
, remove the elastic ring
4
on the right hand side of the piston
5
.
ATTENTION:
be careful not to drop the elastic ring
inside the engine.
From the left hand side of the piston, push the pin
bolt with an aluminium cylinder
B
(or the likes),
until the pin bolt is freed from the foot of the con
-
necting rod.
Remove the piston.
ATTENTION:
Try pulling out the pin bolt by hand
first of all. If it is too tight, hit the pin lightly with
a rubber hammer, at the same time holding the
piston with your hand in order not to stress the con
-
necting rod.
