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- The piston must be mounted in such a way that the locking pin of the piston ring is
placed towards the rear, facing the rear transfer.
- It is imperative to check, and adjust, if necessary, the closed gap of the piston ring,
which must be 0.20mm mini.
- Performance optimization: in order to prevent the piston ring from becoming blocked
in its groove, it is possible to do a little chamfer on the upper nozzles of the ring, using
a small squared diamond file.(See drawing below)
Jeu Piston-Cylindre :
Le Jeu piston-cylindre doit être compris entre 0.055 et 0.065 mm.
Voici, en fonction de la lettre ou du chiffre frappée sur le cylindre, le diamètre
et la référence du piston correspondant :
The piston-cylinder clearance must be between 0.055 and 0.065 mm.
Here, depending on the letter or number stamped on the cylinder, the
diameter and the reference of the corresponding piston :
Alésage
Cylindre
50.495
0
50.505
0
50.515
0
Marquage
Cylindre
+0.010
B
+0.010
C
+0.010
D
Référence
Ø Piston
Piston
Ø50.44
113 34 917
Ø50.45
113 35 917
Ø50.46
113 36 917
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