PIAGGIO Beverly 500 i.e., Workshop Manual

Page: 111 / 382

Removing the cylinder - piston assy.
- Remove the timing chain.
- Loosen the fastening screw and remove the
spacer and the tightening sliding block.
N.B.
IT IS ADVISABLE TO MARK THE CHAIN IN ORDER TO EN-
SURE THAT THE INITIAL DIRECTION OF ROTATION IS
MAINTAINED.
- Extract the cylinder with the relevant gasket and
the centring dowel.
N.B.
THE SECOND CENTRING IS ENSURED BY A PIN SET INTO
THE CYLINDER.
CAUTION
TO PREVENT DAMAGING THE PISTON, SUPPORT IT
WHILE REMOVING THE CYLINDER.
- Remove the 2 piston pin locking rings by the spe-
cific housings.
- Extract the pin and remove the piston.
N.B.
USE PAPER OR A CLOTH TO CLOSE THE CYLINDER
HOUSING MOUTH ON THE CRANKCASE TO PREVENT
SLIPPAGE OF ONE OF THE PIN LOCKING RINGS INTO
THE CASE.
- Remove the piston sealing rings and the oil scra-
per.
CAUTION
NOTE THE ASSEMBLY POSITIONS OF THE LININGS TO
PREVENT INVERTING THE POSITION IN CASE OF REUSE.
N.B.
BE CAREFUL NOT TO DAMAGE THE SEALING RINGS
DURING REMOVAL.
Beverly 500 i.e.
Engine
ENG - 111