VESPA GTS Super 300 ie 2008 Service Station Manual page 152

Engine
- Loosen the central screw on the tensioner first.
- Remove the two fixings shown in the figure.
- Remove the tensioner with its gasket.
- Remove the internal hex screw and the counter-
weight shown in the figure.
- Remove the camshaft control pulley with its
washer.
- Remove the control sprocket wheel and the tim-
ing chain.
- Remove the screws indicated in the figure, the
spacer bar and the tensioner slider.
The chain tensioner slider must be removed from
the transmission side. As regards the lower chain
guide slider, it may only be removed after the head
has been removed.
N.B.
IT IS ADVISABLE TO MARK THE CHAIN IN ORDER TO EN-
SURE THAT THE INITIAL DIRECTION OF ROTATION IS
MAINTAINED.
ENG - 152
Vespa GTS Super 300 ie (2008)