CYLINDER HEAD/CYLINDER/PISTON
35
Reproduction ou traduction, même partielle, interdite sans autorisation écrite de Peugeot Motocycles
Checking the cylinder
- The cylinder should show no traces of
scoring or seizure.
Cylinder diameter: 37.015 to 36.995 mm
Utilisation limit: 37.500 mm
Checking the piston
- The piston should show no traces of scoring
or seizure.
- The rings must be free in their grooves.
- Measure the piston diameter at 9 mm from
the piston skirt.
Piston diameter: 36.985 to 37.005 mm
Utilisation limit: 36.900 mm
Checking the piston rings
- Carefully remove the piston rings.
- Place a ring in the bore parallel to it and
measure the gap using a feeler gauge.
Piston ring gap:
• Top compression ring gap: 0.015 to
0.050 mm.
• Compression ring gap: 0.015 to 0.050 mm.
• Oil control ring gap: 0.2 to 0.7 mm.
Installing the piston rings on the piston
- Proceed in the following order in order to
install the oil control rings.
• Install the spring (1) (no special direction).
• Install the 2 piston rings (2) on each side of
the spring by offsetting the gap of each
ring (no special direction).
- Install the compression ring (3) by placing
the 2R mark upwards.
- Install the top compression ring (4) by
placing the 1R mark upwards.
9 mm
4
3
2
1
