APRILIA Atlantic 300 Service Station Manual page 125

ATLANTIC 300 i.e.
Engine
- Remove the return spring of the automatic valve-
lifter assembly, the automatic valve-lifter assembly
and its end of stroke washer.
- Loosen the central screw on the tensioner first.
- Remove the 2 clamps indicated in the figure.
- Remove the tensioner and its gasket.
- Remove the internal hex screw and the counter-
weight shown in the figure.
- Remove the camshaft control pulley and its
washer.
ENG - 125