APRILIA scarabeo 125 i.e. Service Station Manual page 120

Engine
30.864 mm (1.21511 in)
•
Check that the holes used for timing and their shoulders are not worn.
•
If values measured are not within the specified limits or there are signs of wear, replace the
defective components with new ones.
Characteristic
Maximum axial clearance allowed:
0.4 mm (0.0157 in)
Refitting the head and timing system components
•
Screw the specific tool so that the
crankshaft does not rotate at TDC.
Specific tooling
0240880 Threaded bolt for locking crankshaft
at TDC
•
Fit the chain guide slider onto the cyl-
inder.
•
Fit the head gasket and the alignment
dowels
•
Fit the head.
•
Screw but do not tighten both central
long screws (3) and position the wash-
ers.
•
Screw but do not tighten both central
long screws (2) and position the wash-
ers.
•
Screw but do not tighten the two side
short screws (1).
NOTE
BEFORE INSTALLING THE HEAD, MAKE SURE THAT THE
LUBRICATION CHANNEL IS CLEAN AS WELL AS THE
REST OF THE ASSEMBLY; USE A JET OF COMPRESSED
AIR FOR CLEANING.
ENG - 120
SCARABEO 125 i.e. - 200 i.e.