Assembly Clearances - Gilera 633721 Workshop Manual

Nexus 500 euro 3
Oil pump cover screws
Screws fixing oil pump to crankcase
See also
Refitting
Refitting
Fuel tank
Overhaul
Overhaul data
This section provides the main information for scooter servicing.

Assembly clearances

Cylinder - piston assy.
(Values in mm)
HEIGHT AT WHICH THE DIAMETER SHOULD BE MEASURED
Specification
Name
Cylinder Piston
Cylinder Piston
Cylinder Piston
Cylinder Piston
N.B.
THE PISTON MUST BE INSTALLED WITH THE ARROW FACING TOWARDS THE EXHAUST SIDE,
THE PISTON RINGS MUST BE INSTALLED WITH THE WORD «TOP» OR THE STAMPED MARK
FACING UPWARDS.
LUBRICATION
Name
A:
B:
CATEGORIES OF COUPLING
Initials
A 91.990 - 91.997
B 91.997 - 92.004
C 92.004 - 92.011
D 92.011 - 92.018
Torque in Nm
Desc./Quantity
Cylinder Piston
91.954 - 91.961
91.961 - 91.968
91.968 - 91.975
91.975 - 91.982
Characteristics
0.7 ÷ 0.9
5 - 6
10 mm
43 mm
Play on fitting
0.029 - 0.043
0.029 - 0.043
0.029 - 0.043
0.029 - 0.043
CHAR - 13