•
Mark the piston crown on the exhaust
side so as to remember the refitting po-
sition.
•
Remove the piston.
Fitting the piston
NOTE
THE OPERATIONS DESCRIBED BELOW REFER TO REMOVING ONLY ONE HEAD BUT APPLY
TO BOTH HEADS.
•
The reference on the piston ring must
be facing the piston crown.
•
Fit the piston rings on the piston: - the
oil scraper in the lower slot; - the thicker
smooth ring in the intermediate slot; -
the less thick smooth ring in the upper
slot.
•
The piston rings must be offset at 120°
one from the other.
•
Fit one of the two pin snap rings on the
piston.
•
Lock crankshaft rotation.
Specific tooling
12.91.18.01
Tool to lock the flywheel and the
starting ring gear
•
Fit the piston.
NOTE
CHECK THE PISTON DIRECTION ACCORDING TO THE REFERENCES MARKED ON THE PISTON
CROWN. DO NOT ASSEMBLE PISTONS AND CYLINDERS OF DIFFERENT SELECTOR TYPES.
Engine
STELVIO 1200 NTX
ENG - 150
Revente Interdite - Revendita Vietata - Resaling Forbiden - Wiederverkauf Verboten