APRILIA Tuono 660 2021 Service Station Manual page 213

RS 660 - Tuono 660
IF TIMING IS FORESEEN FOLLOWING THE VALVE CLEARANCE ADJUSTMENT OPERATION
(WITH THE ENGINE ASSEMBLED ON THE VEHICLE), REFER TO THE PROCEDURE DESCRIBED
IN THE "MAINTENANCE" CHAPTER IN PARAGRAPH "TIMING CHECK".
To carry out engine timing proceed as described:
•
After positioning the timing chain, ro-
tate the crankshaft and identify, in the
point indicated, the hole in the crank-
case to insert the first centring pin (1)
Specific tooling
020851Y Camshaft timing pin
•
Position the cam shafts (2) on the head. The exhaust camshaft has two grooves in the
indicated point.
•
The correct positioning is determined by the holes, for the insertion of the pins, facing up-
wards.
•
Generously lubricate the camshafts at
the pivot points in contact with the
head/cam tower.
Engine
ENG - 213