Removing The Timing System Drive - APRILIA SR MAX 125 ie Service Station Manual

Engine

Removing the timing system drive

- Remove the oil pump control gear and the pinion
separation washer as described in the «Engine/
Lubrication/Oil pump» section.
- Undo the central screw and collect the washer.
Undo the two fixing screws to the cylinder and re-
move the tensioner together with the gasket.
- Undo the two screws indicated.
- Detach the timing chain and remove the camshaft
control pulley and the corresponding washer.
- Remove the screws indicated in the figure, the
spacer bar and the tensioner slider.
- Remove the control sprocket wheel and the tim-
ing chain.
- As regards the chain guide slider, it may only be
removed after the head has been removed.
NOTE
IT IS ADVISABLE TO MARK THE CHAIN IN ORDER TO EN-
SURE THAT THE INITIAL DIRECTION OF ROTATION IS
MAINTAINED.
ENG - 126
SR MAX 125 ie