164
ST SERIES
CHANGING THE PISTON
Remove the clamps from the sleeve of
the cooling circuit that join the cylinder
head to the radiator.
Release the sleeve from the cylinder
head.
Loosen the screws and lift the cylinder
head, paying attention not to damage
the small o-ring seals.
Loosen the screws that hold the
cylinder and lift it.
Remove the clips that fasten the bolt to
the piston using pointed pliers.
Remove the bolt by pushing with a
special tool.
Check the condition of the connecting
rod ball bearing.
Replace the gasket between the en-
-
-
-
-
-
-
-
-