APRILIA ETX 150 Service Station Manual page 94

Engine
Removing the rocker arms
•
Remove the cover and the timing system gear of the camshaft
•
Remove the four fixing screws (1) of the rocker/valve seats covers
•
Remove the two covers (2) of the rocker/valve seats
•
Remove the fixing screws (3) and the
locking plate (4) of the rockers shafts
•
Remove the lock shafts (5) of the rockers
ENG - 94
ETX - STX 150