LUBRICATION
Name Torque in Nm
Oil pump cover screws 0.7 ÷ 0.9
Screws fixing oil pump to crankcase 5 - 6
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
Desc./Quantity
A: 10 mm
B: 43 mm
CATEGORIES OF COUPLING
Name
Initials Cylinder Piston Play on fitting
Cylinder Piston A 91.990 - 91.997 91.954 - 91.961 0.029 - 0.043
Cylinder Piston B 91.997 - 92.004 91.961 - 91.968 0.029 - 0.043
Cylinder Piston C 92.004 - 92.011 91.968 - 91.975 0.029 - 0.043
Cylinder Piston D 92.011 - 92.018 91.975 - 91.982 0.029 - 0.043
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.
Nexus 500 euro 3 Characteristics
CHAR - 13
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